Search criteria
83 vulnerabilities found for kernel by Linux
CVE-2021-34981 (GCVE-0-2021-34981)
Vulnerability from cvelistv5 – Published: 2024-05-07 22:54 – Updated: 2024-08-04 00:26
VLAI?
Title
Linux Kernel Bluetooth CMTP Module Double Free Privilege Escalation Vulnerability
Summary
Linux Kernel Bluetooth CMTP Module Double Free Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability.
The specific flaw exists within the CMTP module. The issue results from the lack of validating the existence of an object prior to performing further free operations on the object. An attacker can leverage this vulnerability to escalate privileges and execute code in the context of the kernel. Was ZDI-CAN-11977.
Severity ?
7.5 (High)
CWE
- CWE-415 - Double Free
Assigner
References
| URL | Tags | ||||
|---|---|---|---|---|---|
|
|||||
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CVE-2024-1086 (GCVE-0-2024-1086)
Vulnerability from cvelistv5 – Published: 2024-01-31 12:14 – Updated: 2025-10-21 23:05
VLAI?
Title
Use-after-free in Linux kernel's netfilter: nf_tables component
Summary
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.
The nft_verdict_init() function allows positive values as drop error within the hook verdict, and hence the nf_hook_slow() function can cause a double free vulnerability when NF_DROP is issued with a drop error which resembles NF_ACCEPT.
We recommend upgrading past commit f342de4e2f33e0e39165d8639387aa6c19dff660.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
Credits
Notselwyn
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CVE-2024-1085 (GCVE-0-2024-1085)
Vulnerability from cvelistv5 – Published: 2024-01-31 12:14 – Updated: 2025-05-29 15:03
VLAI?
Title
Use-after-free in Linux kernel's netfilter: nf_tables component
Summary
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.
The nft_setelem_catchall_deactivate() function checks whether the catch-all set element is active in the current generation instead of the next generation before freeing it, but only flags it inactive in the next generation, making it possible to free the element multiple times, leading to a double free vulnerability.
We recommend upgrading past commit b1db244ffd041a49ecc9618e8feb6b5c1afcdaa7.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
Credits
Lonial Con
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CVE-2023-6932 (GCVE-0-2023-6932)
Vulnerability from cvelistv5 – Published: 2023-12-19 14:09 – Updated: 2025-02-13 17:27
VLAI?
Title
Use-after-free in Linux kernel's ipv4: igmp component
Summary
A use-after-free vulnerability in the Linux kernel's ipv4: igmp component can be exploited to achieve local privilege escalation.
A race condition can be exploited to cause a timer be mistakenly registered on a RCU read locked object which is freed by another thread.
We recommend upgrading past commit e2b706c691905fe78468c361aaabc719d0a496f1.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
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CVE-2023-6931 (GCVE-0-2023-6931)
Vulnerability from cvelistv5 – Published: 2023-12-19 14:09 – Updated: 2025-02-13 17:26
VLAI?
Title
Out-of-bounds write in Linux kernel's Performance Events system component
Summary
A heap out-of-bounds write vulnerability in the Linux kernel's Performance Events system component can be exploited to achieve local privilege escalation.
A perf_event's read_size can overflow, leading to an heap out-of-bounds increment or write in perf_read_group().
We recommend upgrading past commit 382c27f4ed28f803b1f1473ac2d8db0afc795a1b.
Severity ?
7.8 (High)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
Credits
Budimir Markovic
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CVE-2023-6817 (GCVE-0-2023-6817)
Vulnerability from cvelistv5 – Published: 2023-12-18 14:37 – Updated: 2025-02-13 17:26
VLAI?
Title
Use-after-free in Linux kernel's netfilter: nf_tables component
Summary
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.
The function nft_pipapo_walk did not skip inactive elements during set walk which could lead double deactivations of PIPAPO (Pile Packet Policies) elements, leading to use-after-free.
We recommend upgrading past commit 317eb9685095678f2c9f5a8189de698c5354316a.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Credits
Lonial Kong
Xingyuan Mo
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CVE-2023-6111 (GCVE-0-2023-6111)
Vulnerability from cvelistv5 – Published: 2023-11-14 14:05 – Updated: 2025-02-13 17:26
VLAI?
Title
Use-after-free in Linux kernel's netfilter: nf_tables component
Summary
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.
The function nft_trans_gc_catchall did not remove the catchall set element from the catchall_list when the argument sync is true, making it possible to free a catchall set element many times.
We recommend upgrading past commit 93995bf4af2c5a99e2a87f0cd5ce547d31eb7630.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
Credits
Lonial Kong
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CVE-2023-5717 (GCVE-0-2023-5717)
Vulnerability from cvelistv5 – Published: 2023-10-25 12:55 – Updated: 2025-02-13 17:25
VLAI?
Title
Out-of-bounds write in Linux kernel's Linux Kernel Performance Events (perf) component
Summary
A heap out-of-bounds write vulnerability in the Linux kernel's Linux Kernel Performance Events (perf) component can be exploited to achieve local privilege escalation.
If perf_read_group() is called while an event's sibling_list is smaller than its child's sibling_list, it can increment or write to memory locations outside of the allocated buffer.
We recommend upgrading past commit 32671e3799ca2e4590773fd0e63aaa4229e50c06.
Severity ?
7.8 (High)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
Credits
Budimir Markovic
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CVE-2023-5345 (GCVE-0-2023-5345)
Vulnerability from cvelistv5 – Published: 2023-10-03 02:33 – Updated: 2025-02-27 20:48
VLAI?
Title
Use-after-free in Linux kernel's fs/smb/client component
Summary
A use-after-free vulnerability in the Linux kernel's fs/smb/client component can be exploited to achieve local privilege escalation.
In case of an error in smb3_fs_context_parse_param, ctx->password was freed but the field was not set to NULL which could lead to double free.
We recommend upgrading past commit e6e43b8aa7cd3c3af686caf0c2e11819a886d705.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
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CVE-2023-5197 (GCVE-0-2023-5197)
Vulnerability from cvelistv5 – Published: 2023-09-26 10:04 – Updated: 2025-02-13 17:19
VLAI?
Title
Use-after-free in Linux kernel's netfilter: nf_tables component
Summary
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.
Addition and removal of rules from chain bindings within the same transaction causes leads to use-after-free.
We recommend upgrading past commit f15f29fd4779be8a418b66e9d52979bb6d6c2325.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
Credits
Kevin Rich
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CVE-2023-4921 (GCVE-0-2023-4921)
Vulnerability from cvelistv5 – Published: 2023-09-12 19:45 – Updated: 2025-02-13 17:18
VLAI?
Title
Use-after-free in Linux kernel's net/sched: sch_qfq component
Summary
A use-after-free vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation.
When the plug qdisc is used as a class of the qfq qdisc, sending network packets triggers use-after-free in qfq_dequeue() due to the incorrect .peek handler of sch_plug and lack of error checking in agg_dequeue().
We recommend upgrading past commit 8fc134fee27f2263988ae38920bc03da416b03d8.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
Credits
valis
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CVE-2023-4623 (GCVE-0-2023-4623)
Vulnerability from cvelistv5 – Published: 2023-09-06 13:56 – Updated: 2025-02-27 21:00
VLAI?
Title
Use-after-free in Linux kernel's net/sched: sch_hfsc (HFSC qdisc traffic control) component
Summary
A use-after-free vulnerability in the Linux kernel's net/sched: sch_hfsc (HFSC qdisc traffic control) component can be exploited to achieve local privilege escalation.
If a class with a link-sharing curve (i.e. with the HFSC_FSC flag set) has a parent without a link-sharing curve, then init_vf() will call vttree_insert() on the parent, but vttree_remove() will be skipped in update_vf(). This leaves a dangling pointer that can cause a use-after-free.
We recommend upgrading past commit b3d26c5702c7d6c45456326e56d2ccf3f103e60f.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
Credits
Budimir Markovic
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CVE-2023-4622 (GCVE-0-2023-4622)
Vulnerability from cvelistv5 – Published: 2023-09-06 13:56 – Updated: 2025-02-13 17:14
VLAI?
Title
Use-after-free in Linux kernel's af_unix component
Summary
A use-after-free vulnerability in the Linux kernel's af_unix component can be exploited to achieve local privilege escalation.
The unix_stream_sendpage() function tries to add data to the last skb in the peer's recv queue without locking the queue. Thus there is a race where unix_stream_sendpage() could access an skb locklessly that is being released by garbage collection, resulting in use-after-free.
We recommend upgrading past commit 790c2f9d15b594350ae9bca7b236f2b1859de02c.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
| URL | Tags | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Billy Jheng Bing-Jhong
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CVE-2023-4244 (GCVE-0-2023-4244)
Vulnerability from cvelistv5 – Published: 2023-09-06 13:53 – Updated: 2025-02-13 17:09
VLAI?
Title
Use-after-free in Linux kernel's netfilter: nf_tables component
Summary
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.
Due to a race condition between nf_tables netlink control plane transaction and nft_set element garbage collection, it is possible to underflow the reference counter causing a use-after-free vulnerability.
We recommend upgrading past commit 3e91b0ebd994635df2346353322ac51ce84ce6d8.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
Credits
Bien Pham from Team Orca of Sea Security Team
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CVE-2023-4208 (GCVE-0-2023-4208)
Vulnerability from cvelistv5 – Published: 2023-09-06 13:53 – Updated: 2025-02-13 17:09
VLAI?
Title
Use-after-free in Linux kernel's net/sched: cls_u32 component
Summary
A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to achieve local privilege escalation.
When u32_change() is called on an existing filter, the whole tcf_result struct is always copied into the new instance of the filter. This causes a problem when updating a filter bound to a class, as tcf_unbind_filter() is always called on the old instance in the success path, decreasing filter_cnt of the still referenced class and allowing it to be deleted, leading to a use-after-free.
We recommend upgrading past commit 3044b16e7c6fe5d24b1cdbcf1bd0a9d92d1ebd81.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
Credits
valis
Muhammad Alifa Ramdhan of STAR Labs
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CVE-2023-4207 (GCVE-0-2023-4207)
Vulnerability from cvelistv5 – Published: 2023-09-06 13:53 – Updated: 2025-02-13 17:09
VLAI?
Title
Use-after-free in Linux kernel's net/sched: cls_fw component
Summary
A use-after-free vulnerability in the Linux kernel's net/sched: cls_fw component can be exploited to achieve local privilege escalation.
When fw_change() is called on an existing filter, the whole tcf_result struct is always copied into the new instance of the filter. This causes a problem when updating a filter bound to a class, as tcf_unbind_filter() is always called on the old instance in the success path, decreasing filter_cnt of the still referenced class and allowing it to be deleted, leading to a use-after-free.
We recommend upgrading past commit 76e42ae831991c828cffa8c37736ebfb831ad5ec.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
Credits
valis
Bing-Jhong Billy Jheng
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CVE-2023-4206 (GCVE-0-2023-4206)
Vulnerability from cvelistv5 – Published: 2023-09-06 13:53 – Updated: 2025-02-13 17:09
VLAI?
Title
Use-after-free in Linux kernel's net/sched: cls_route component
Summary
A use-after-free vulnerability in the Linux kernel's net/sched: cls_route component can be exploited to achieve local privilege escalation.
When route4_change() is called on an existing filter, the whole tcf_result struct is always copied into the new instance of the filter. This causes a problem when updating a filter bound to a class, as tcf_unbind_filter() is always called on the old instance in the success path, decreasing filter_cnt of the still referenced class and allowing it to be deleted, leading to a use-after-free.
We recommend upgrading past commit b80b829e9e2c1b3f7aae34855e04d8f6ecaf13c8.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
Credits
valis
Bing-Jhong Billy Jheng
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CVE-2023-4015 (GCVE-0-2023-4015)
Vulnerability from cvelistv5 – Published: 2023-09-06 13:52 – Updated: 2025-02-13 17:03
VLAI?
Title
Use-after-free in Linux kernel's netfilter: nf_tables component
Summary
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.
On an error when building a nftables rule, deactivating immediate expressions in nft_immediate_deactivate() can lead unbinding the chain and objects be deactivated but later used.
We recommend upgrading past commit 0a771f7b266b02d262900c75f1e175c7fe76fec2.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
Credits
Kevin Rich
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CVE-2023-3777 (GCVE-0-2023-3777)
Vulnerability from cvelistv5 – Published: 2023-09-06 13:50 – Updated: 2025-02-13 17:01
VLAI?
Title
Use-after-free in Linux kernel's netfilter: nf_tables component
Summary
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.
When nf_tables_delrule() is flushing table rules, it is not checked whether the chain is bound and the chain's owner rule can also release the objects in certain circumstances.
We recommend upgrading past commit 6eaf41e87a223ae6f8e7a28d6e78384ad7e407f8.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
Credits
Kevin Rich
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CVE-2023-3776 (GCVE-0-2023-3776)
Vulnerability from cvelistv5 – Published: 2023-07-21 20:49 – Updated: 2025-03-05 18:48
VLAI?
Title
Use-after-free in Linux kernel's net/sched: cls_fw component
Summary
A use-after-free vulnerability in the Linux kernel's net/sched: cls_fw component can be exploited to achieve local privilege escalation.
If tcf_change_indev() fails, fw_set_parms() will immediately return an error after incrementing or decrementing the reference counter in tcf_bind_filter(). If an attacker can control the reference counter and set it to zero, they can cause the reference to be freed, leading to a use-after-free vulnerability.
We recommend upgrading past commit 0323bce598eea038714f941ce2b22541c46d488f.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
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CVE-2023-3611 (GCVE-0-2023-3611)
Vulnerability from cvelistv5 – Published: 2023-07-21 20:49 – Updated: 2025-02-13 16:56
VLAI?
Title
Out-of-bounds write in Linux kernel's net/sched: sch_qfq component
Summary
An out-of-bounds write vulnerability in the Linux kernel's net/sched: sch_qfq component can be exploited to achieve local privilege escalation.
The qfq_change_agg() function in net/sched/sch_qfq.c allows an out-of-bounds write because lmax is updated according to packet sizes without bounds checks.
We recommend upgrading past commit 3e337087c3b5805fe0b8a46ba622a962880b5d64.
Severity ?
7.8 (High)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Credits
Lion
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CVE-2023-3610 (GCVE-0-2023-3610)
Vulnerability from cvelistv5 – Published: 2023-07-21 20:48 – Updated: 2025-02-13 16:56
VLAI?
Title
Use-after-free in Linux kernel's netfilter: nf_tables component
Summary
A use-after-free vulnerability in the Linux kernel's netfilter: nf_tables component can be exploited to achieve local privilege escalation.
Flaw in the error handling of bound chains causes a use-after-free in the abort path of NFT_MSG_NEWRULE. The vulnerability requires CAP_NET_ADMIN to be triggered.
We recommend upgrading past commit 4bedf9eee016286c835e3d8fa981ddece5338795.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
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CVE-2023-3609 (GCVE-0-2023-3609)
Vulnerability from cvelistv5 – Published: 2023-07-21 20:47 – Updated: 2025-03-05 18:48
VLAI?
Title
Use-after-free in Linux kernel's net/sched: cls_u32 component
Summary
A use-after-free vulnerability in the Linux kernel's net/sched: cls_u32 component can be exploited to achieve local privilege escalation.
If tcf_change_indev() fails, u32_set_parms() will immediately return an error after incrementing or decrementing the reference counter in tcf_bind_filter(). If an attacker can control the reference counter and set it to zero, they can cause the reference to be freed, leading to a use-after-free vulnerability.
We recommend upgrading past commit 04c55383fa5689357bcdd2c8036725a55ed632bc.
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
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CVE-2023-3389 (GCVE-0-2023-3389)
Vulnerability from cvelistv5 – Published: 2023-06-28 19:33 – Updated: 2025-03-05 18:55
VLAI?
Title
Use after free in io_uring in the Linux Kernel
Summary
A use-after-free vulnerability in the Linux Kernel io_uring subsystem can be exploited to achieve local privilege escalation.
Racing a io_uring cancel poll request with a linked timeout can cause a UAF in a hrtimer.
We recommend upgrading past commit ef7dfac51d8ed961b742218f526bd589f3900a59 (4716c73b188566865bdd79c3a6709696a224ac04 for 5.10 stable and 0e388fce7aec40992eadee654193cad345d62663 for 5.15 stable).
Severity ?
7.8 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Impacted products
Credits
Querijn Voet
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CVE-2023-3090 (GCVE-0-2023-3090)
Vulnerability from cvelistv5 – Published: 2023-06-28 19:06 – Updated: 2025-03-05 18:55
VLAI?
Title
Out-of-bounds write in Linux kernel's ipvlan network driver
Summary
A heap out-of-bounds write vulnerability in the Linux Kernel ipvlan network driver can be exploited to achieve local privilege escalation.
The out-of-bounds write is caused by missing skb->cb initialization in the ipvlan network driver. The vulnerability is reachable if CONFIG_IPVLAN is enabled.
We recommend upgrading past commit 90cbed5247439a966b645b34eb0a2e037836ea8e.
Severity ?
7.8 (High)
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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CVE-2022-42432 (GCVE-0-2022-42432)
Vulnerability from cvelistv5 – Published: 2023-03-29 00:00 – Updated: 2025-02-14 20:25
VLAI?
Summary
This vulnerability allows local attackers to disclose sensitive information on affected installations of the Linux Kernel 6.0-rc2. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the nft_osf_eval function. The issue results from the lack of proper initialization of memory prior to accessing it. An attacker can leverage this in conjunction with other vulnerabilities to execute arbitrary code in the context of the kernel. Was ZDI-CAN-18540.
Severity ?
5.1 (Medium)
CWE
- CWE-457 - Use of Uninitialized Variable
Assigner
References
Credits
Gwangun Jung at THEORI
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CVE-2022-3635 (GCVE-0-2022-3635)
Vulnerability from cvelistv5 – Published: 2022-10-21 00:00 – Updated: 2025-04-15 13:25
VLAI?
Title
Linux Kernel IPsec idt77252.c tst_timer use after free
Summary
A vulnerability, which was classified as critical, has been found in Linux Kernel. Affected by this issue is the function tst_timer of the file drivers/atm/idt77252.c of the component IPsec. The manipulation leads to use after free. It is recommended to apply a patch to fix this issue. VDB-211934 is the identifier assigned to this vulnerability.
Severity ?
5.5 (Medium)
CWE
- CWE-119 - Memory Corruption -> CWE-416 Use After Free
Assigner
References
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CVE-2022-3633 (GCVE-0-2022-3633)
Vulnerability from cvelistv5 – Published: 2022-10-21 00:00 – Updated: 2025-04-23 16:45
VLAI?
Title
Linux Kernel transport.c j1939_session_destroy memory leak
Summary
A vulnerability classified as problematic has been found in Linux Kernel. Affected is the function j1939_session_destroy of the file net/can/j1939/transport.c. The manipulation leads to memory leak. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211932.
Severity ?
CWE
- CWE-401 - Memory Leak
Assigner
References
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CVE-2022-3637 (GCVE-0-2022-3637)
Vulnerability from cvelistv5 – Published: 2022-10-21 00:00 – Updated: 2025-04-15 13:24
VLAI?
Title
Linux Kernel BlueZ jlink.c jlink_init denial of service
Summary
A vulnerability has been found in Linux Kernel and classified as problematic. This vulnerability affects the function jlink_init of the file monitor/jlink.c of the component BlueZ. The manipulation leads to denial of service. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211936.
Severity ?
CWE
- CWE-404 - Denial of Service
Assigner
References
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CVE-2022-3624 (GCVE-0-2022-3624)
Vulnerability from cvelistv5 – Published: 2022-10-21 00:00 – Updated: 2025-04-15 13:25
VLAI?
Title
Linux Kernel IPsec bond_alb.c rlb_arp_xmit memory leak
Summary
A vulnerability was found in Linux Kernel and classified as problematic. Affected by this issue is the function rlb_arp_xmit of the file drivers/net/bonding/bond_alb.c of the component IPsec. The manipulation leads to memory leak. It is recommended to apply a patch to fix this issue. The identifier of this vulnerability is VDB-211928.
Severity ?
CWE
- CWE-404 - Denial of Service -> CWE-401 Memory Leak
Assigner
References
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"title": "Linux Kernel IPsec bond_alb.c rlb_arp_xmit memory leak",
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