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alsa-2026:2264
Vulnerability from osv_almalinux
Published
2026-02-09 00:00
Modified
2026-02-09 11:47
Summary
Moderate: kernel security update
Details
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
- kernel: vsock/vmci: Clear the vmci transport packet properly when initializing it (CVE-2025-38403)
- kernel: net: use dst_dev_rcu() in sk_setup_caps() (CVE-2025-40170)
- kernel: ipv6: use RCU in ip6_xmit() (CVE-2025-40135)
- kernel: ipv6: use RCU in ip6_output() (CVE-2025-40158)
- kernel: Linux kernel ALSA USB audio driver: Buffer overflow leading to information disclosure and denial of service (CVE-2025-40269)
- kernel: ext4: fix use-after-free in ext4_orphan_cleanup (CVE-2022-50673)
- kernel: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid (CVE-2025-68349)
- kernel: nvme-tcp: fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec (CVE-2026-22998)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
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"details": "The kernel packages contain the Linux kernel, the core of any Linux operating system. \n\nSecurity Fix(es): \n\n * kernel: vsock/vmci: Clear the vmci transport packet properly when initializing it (CVE-2025-38403)\n * kernel: net: use dst_dev_rcu() in sk_setup_caps() (CVE-2025-40170)\n * kernel: ipv6: use RCU in ip6_xmit() (CVE-2025-40135)\n * kernel: ipv6: use RCU in ip6_output() (CVE-2025-40158)\n * kernel: Linux kernel ALSA USB audio driver: Buffer overflow leading to information disclosure and denial of service (CVE-2025-40269)\n * kernel: ext4: fix use-after-free in ext4_orphan_cleanup (CVE-2022-50673)\n * kernel: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid (CVE-2025-68349)\n * kernel: nvme-tcp: fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec (CVE-2026-22998)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
"id": "ALSA-2026:2264",
"modified": "2026-02-09T11:47:42Z",
"published": "2026-02-09T00:00:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2026:2264"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2022-50673"
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"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2025-38403"
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"url": "https://access.redhat.com/security/cve/CVE-2025-40158"
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"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2025-40170"
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"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2025-40269"
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"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2025-68349"
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"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2026-22998"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2383421"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2414506"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2414521"
},
{
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"url": "https://bugzilla.redhat.com/2414523"
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{
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"url": "https://bugzilla.redhat.com/2419919"
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"url": "https://bugzilla.redhat.com/2420347"
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"url": "https://bugzilla.redhat.com/2424880"
},
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"url": "https://errata.almalinux.org/8/ALSA-2026-2264.html"
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"related": [
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"CVE-2025-40170",
"CVE-2025-40135",
"CVE-2025-40158",
"CVE-2025-40269",
"CVE-2022-50673",
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"CVE-2026-22998"
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"summary": "Moderate: kernel security update"
}
CVE-2025-68349 (GCVE-0-2025-68349)
Vulnerability from cvelistv5 – Published: 2025-12-24 10:32 – Updated: 2026-02-09 08:31
VLAI?
EPSS
Title
NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid
Summary
In the Linux kernel, the following vulnerability has been resolved:
NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid
Fixes a crash when layout is null during this call stack:
write_inode
-> nfs4_write_inode
-> pnfs_layoutcommit_inode
pnfs_set_layoutcommit relies on the lseg refcount to keep the layout
around. Need to clear NFS_INO_LAYOUTCOMMIT otherwise we might attempt
to reference a null layout.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
fe1cf9469d7bcb6af27e42eb555a41b0135bce4a , < 084bebe82ad86f718a3af84f34761863e63164ed
(git)
Affected: fe1cf9469d7bcb6af27e42eb555a41b0135bce4a , < b6e4e3a08c03200cc4b8067ec8ab3172a989d6fc (git) Affected: fe1cf9469d7bcb6af27e42eb555a41b0135bce4a , < 104080582ae0aa6dce6c6d75ff89062efe84673b (git) Affected: fe1cf9469d7bcb6af27e42eb555a41b0135bce4a , < f718f9ea6094843b8c059b073af49ad61e9f49bb (git) Affected: fe1cf9469d7bcb6af27e42eb555a41b0135bce4a , < 59947dff0fb7c19c09ce6dccbcd253fd542b6c25 (git) Affected: fe1cf9469d7bcb6af27e42eb555a41b0135bce4a , < ca2e7fdad7c683b64821c94a58b9b68733214dad (git) Affected: fe1cf9469d7bcb6af27e42eb555a41b0135bce4a , < 38694f9aae00459ab443a7dc8b3949a6b33b560a (git) Affected: fe1cf9469d7bcb6af27e42eb555a41b0135bce4a , < e0f8058f2cb56de0b7572f51cd563ca5debce746 (git) |
|||||||
|
|||||||||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nNFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid\n\nFixes a crash when layout is null during this call stack:\n\nwrite_inode\n -\u003e nfs4_write_inode\n -\u003e pnfs_layoutcommit_inode\n\npnfs_set_layoutcommit relies on the lseg refcount to keep the layout\naround. Need to clear NFS_INO_LAYOUTCOMMIT otherwise we might attempt\nto reference a null layout."
}
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"providerMetadata": {
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CVE-2025-40158 (GCVE-0-2025-40158)
Vulnerability from cvelistv5 – Published: 2025-11-12 10:23 – Updated: 2025-12-01 06:19
VLAI?
EPSS
Title
ipv6: use RCU in ip6_output()
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: use RCU in ip6_output()
Use RCU in ip6_output() in order to use dst_dev_rcu() to prevent
possible UAF.
We can remove rcu_read_lock()/rcu_read_unlock() pairs
from ip6_finish_output2().
Severity ?
No CVSS data available.
Assigner
References
Impacted products
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CVE-2025-38403 (GCVE-0-2025-38403)
Vulnerability from cvelistv5 – Published: 2025-07-25 13:08 – Updated: 2025-11-03 17:37
VLAI?
EPSS
Title
vsock/vmci: Clear the vmci transport packet properly when initializing it
Summary
In the Linux kernel, the following vulnerability has been resolved:
vsock/vmci: Clear the vmci transport packet properly when initializing it
In vmci_transport_packet_init memset the vmci_transport_packet before
populating the fields to avoid any uninitialised data being left in the
structure.
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
d021c344051af91f42c5ba9fdedc176740cbd238 , < 19c2cc01ff9a8031398a802676ffb0f4692dd95d
(git)
Affected: d021c344051af91f42c5ba9fdedc176740cbd238 , < 1c1bcb0e78230f533b4103e8cf271d17c3f469f0 (git) Affected: d021c344051af91f42c5ba9fdedc176740cbd238 , < 2d44723a091bc853272e1a51a488a3d22b80be5e (git) Affected: d021c344051af91f42c5ba9fdedc176740cbd238 , < 0a01021317375b8d1895152f544421ce49299eb1 (git) Affected: d021c344051af91f42c5ba9fdedc176740cbd238 , < 94d0c326cb3ee6b0f8bd00e209550b93fcc5c839 (git) Affected: d021c344051af91f42c5ba9fdedc176740cbd238 , < 75705b44e0b9aaa74f4c163d93d388bcba9e386a (git) Affected: d021c344051af91f42c5ba9fdedc176740cbd238 , < e9a673153d578fd439919a24e99851b2f87ecbce (git) Affected: d021c344051af91f42c5ba9fdedc176740cbd238 , < 223e2288f4b8c262a864e2c03964ffac91744cd5 (git) |
|||||||
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CVE-2026-22998 (GCVE-0-2026-22998)
Vulnerability from cvelistv5 – Published: 2026-01-25 14:36 – Updated: 2026-02-09 08:36
VLAI?
EPSS
Title
nvme-tcp: fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec
Summary
In the Linux kernel, the following vulnerability has been resolved:
nvme-tcp: fix NULL pointer dereferences in nvmet_tcp_build_pdu_iovec
Commit efa56305908b ("nvmet-tcp: Fix a kernel panic when host sends an invalid H2C PDU length")
added ttag bounds checking and data_offset
validation in nvmet_tcp_handle_h2c_data_pdu(), but it did not validate
whether the command's data structures (cmd->req.sg and cmd->iov) have
been properly initialized before processing H2C_DATA PDUs.
The nvmet_tcp_build_pdu_iovec() function dereferences these pointers
without NULL checks. This can be triggered by sending H2C_DATA PDU
immediately after the ICREQ/ICRESP handshake, before
sending a CONNECT command or NVMe write command.
Attack vectors that trigger NULL pointer dereferences:
1. H2C_DATA PDU sent before CONNECT → both pointers NULL
2. H2C_DATA PDU for READ command → cmd->req.sg allocated, cmd->iov NULL
3. H2C_DATA PDU for uninitialized command slot → both pointers NULL
The fix validates both cmd->req.sg and cmd->iov before calling
nvmet_tcp_build_pdu_iovec(). Both checks are required because:
- Uninitialized commands: both NULL
- READ commands: cmd->req.sg allocated, cmd->iov NULL
- WRITE commands: both allocated
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
f775f2621c2ac5cc3a0b3a64665dad4fb146e510 , < baabe43a0edefac8cd7b981ff87f967f6034dafe
(git)
Affected: 4cb3cf7177ae3666be7fb27d4ad4d72a295fb02d , < 76abc83a9d25593c2b7613c549413079c14a4686 (git) Affected: 2871aa407007f6f531fae181ad252486e022df42 , < 7d75570002929d20e40110d6b03e46202c9d1bc7 (git) Affected: 24e05760186dc070d3db190ca61efdbce23afc88 , < fdecd3b6aac10d5a18d0dc500fe57f8648b66cd4 (git) Affected: efa56305908ba20de2104f1b8508c6a7401833be , < 3def5243150716be86599c2a1767c29c68838b6d (git) Affected: efa56305908ba20de2104f1b8508c6a7401833be , < 374b095e265fa27465f34780e0eb162ff1bef913 (git) Affected: efa56305908ba20de2104f1b8508c6a7401833be , < 32b63acd78f577b332d976aa06b56e70d054cbba (git) Affected: ee5e7632e981673f42a50ade25e71e612e543d9d (git) Affected: 70154e8d015c9b4fb56c1a2ef1fc8b83d45c7f68 (git) |
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CVE-2025-40170 (GCVE-0-2025-40170)
Vulnerability from cvelistv5 – Published: 2025-11-12 10:46 – Updated: 2026-01-08 09:50
VLAI?
EPSS
Title
net: use dst_dev_rcu() in sk_setup_caps()
Summary
In the Linux kernel, the following vulnerability has been resolved:
net: use dst_dev_rcu() in sk_setup_caps()
Use RCU to protect accesses to dst->dev from sk_setup_caps()
and sk_dst_gso_max_size().
Also use dst_dev_rcu() in ip6_dst_mtu_maybe_forward(),
and ip_dst_mtu_maybe_forward().
ip4_dst_hoplimit() can use dst_dev_net_rcu().
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 , < 5d1be493d1110c9e720b4c51a6e587bb2fb4ac12
(git)
Affected: 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 , < a805729c0091073d8f0415cfa96c7acd1bc17a48 (git) Affected: 4a6ce2b6f2ecabbddcfe47e7cf61dd0f00b10e36 , < 99a2ace61b211b0be861b07fbaa062fca4b58879 (git) |
||
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CVE-2022-50673 (GCVE-0-2022-50673)
Vulnerability from cvelistv5 – Published: 2025-12-09 01:29 – Updated: 2025-12-23 13:30
VLAI?
EPSS
Title
ext4: fix use-after-free in ext4_orphan_cleanup
Summary
In the Linux kernel, the following vulnerability has been resolved:
ext4: fix use-after-free in ext4_orphan_cleanup
I caught a issue as follows:
==================================================================
BUG: KASAN: use-after-free in __list_add_valid+0x28/0x1a0
Read of size 8 at addr ffff88814b13f378 by task mount/710
CPU: 1 PID: 710 Comm: mount Not tainted 6.1.0-rc3-next #370
Call Trace:
<TASK>
dump_stack_lvl+0x73/0x9f
print_report+0x25d/0x759
kasan_report+0xc0/0x120
__asan_load8+0x99/0x140
__list_add_valid+0x28/0x1a0
ext4_orphan_cleanup+0x564/0x9d0 [ext4]
__ext4_fill_super+0x48e2/0x5300 [ext4]
ext4_fill_super+0x19f/0x3a0 [ext4]
get_tree_bdev+0x27b/0x450
ext4_get_tree+0x19/0x30 [ext4]
vfs_get_tree+0x49/0x150
path_mount+0xaae/0x1350
do_mount+0xe2/0x110
__x64_sys_mount+0xf0/0x190
do_syscall_64+0x35/0x80
entry_SYSCALL_64_after_hwframe+0x63/0xcd
</TASK>
[...]
==================================================================
Above issue may happen as follows:
-------------------------------------
ext4_fill_super
ext4_orphan_cleanup
--- loop1: assume last_orphan is 12 ---
list_add(&EXT4_I(inode)->i_orphan, &EXT4_SB(sb)->s_orphan)
ext4_truncate --> return 0
ext4_inode_attach_jinode --> return -ENOMEM
iput(inode) --> free inode<12>
--- loop2: last_orphan is still 12 ---
list_add(&EXT4_I(inode)->i_orphan, &EXT4_SB(sb)->s_orphan);
// use inode<12> and trigger UAF
To solve this issue, we need to propagate the return value of
ext4_inode_attach_jinode() appropriately.
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 , < 7f801a1593cb957f73659732836b2dafbdfc7709
(git)
Affected: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 , < 026a4490b5381229a30f23d073b58e8e35ee6858 (git) Affected: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 , < 7223d5e75f26352354ea2c0ccf8b579821b52adf (git) Affected: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 , < cf0e0817b0f925b70d101d7014ea81b7094e1159 (git) Affected: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 , < c2bdbd4c69308835d1b6f6ba74feeccbfe113478 (git) Affected: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 , < 7908b8a541b1578cc61b4da7f19b604a931441da (git) Affected: 2c98eb5ea249767bbc11cf4e70e91d5b0458ed13 , < a71248b1accb2b42e4980afef4fa4a27fa0e36f5 (git) |
|||||||
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CVE-2025-40269 (GCVE-0-2025-40269)
Vulnerability from cvelistv5 – Published: 2025-12-06 21:50 – Updated: 2026-01-02 15:33
VLAI?
EPSS
Title
ALSA: usb-audio: Fix potential overflow of PCM transfer buffer
Summary
In the Linux kernel, the following vulnerability has been resolved:
ALSA: usb-audio: Fix potential overflow of PCM transfer buffer
The PCM stream data in USB-audio driver is transferred over USB URB
packet buffers, and each packet size is determined dynamically. The
packet sizes are limited by some factors such as wMaxPacketSize USB
descriptor. OTOH, in the current code, the actually used packet sizes
are determined only by the rate and the PPS, which may be bigger than
the size limit above. This results in a buffer overflow, as reported
by syzbot.
Basically when the limit is smaller than the calculated packet size,
it implies that something is wrong, most likely a weird USB
descriptor. So the best option would be just to return an error at
the parameter setup time before doing any further operations.
This patch introduces such a sanity check, and returns -EINVAL when
the packet size is greater than maxpacksize. The comparison with
ep->packsize[1] alone should suffice since it's always equal or
greater than ep->packsize[0].
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
02c56650f3c118d3752122996d96173d26bb13aa , < 480a1490c595a242f27493a4544b3efb21b29f6a
(git)
Affected: 5ef30e443e6d3654cccecec99cf481a69a0a6d3b , < ab0b5e92fc36ee82c1bd01fe896d0f775ed5de41 (git) Affected: 99703c921864a318e3e8aae74fde071b1ff35bea , < 282aba56713bbc58155716b55ca7222b2d9cf3c8 (git) Affected: 2d50acd7dbd0682a56968ad9551341d7fc5b6eaf , < c4dc012b027c9eb101583011089dea14d744e314 (git) Affected: aba41867dd66939d336fdf604e4d73b805d8039f , < e0ed5a36fb3ab9e7b9ee45cd17f09f6d5f594360 (git) Affected: d288dc74f8cf95cb7ae0aaf245b7128627a49bf3 , < d67dde02049e632ba58d3c44a164a74b6a737154 (git) Affected: f0bd62b64016508938df9babe47f65c2c727d25c , < 6a5da3fa80affc948923f20a4e086177f505e86e (git) Affected: f0bd62b64016508938df9babe47f65c2c727d25c , < 217d47255a2ec8b246f2725f5db9ac3f1d4109d7 (git) Affected: f0bd62b64016508938df9babe47f65c2c727d25c , < ef592bf2232a2daa9fffa8881881fc9957ea56e9 (git) Affected: f0bd62b64016508938df9babe47f65c2c727d25c , < ece3b981bb6620e47fac826a2156c090b1a936a0 (git) Affected: f0bd62b64016508938df9babe47f65c2c727d25c , < 98e9d5e33bda8db875cc1a4fe99c192658e45ab6 (git) Affected: f0bd62b64016508938df9babe47f65c2c727d25c , < d2c04f20ccc6c0d219e6d3038bab45bc66a178ad (git) Affected: f0bd62b64016508938df9babe47f65c2c727d25c , < 05a1fc5efdd8560f34a3af39c9cf1e1526cc3ddf (git) |
|||||||
|
|||||||||
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CVE-2025-40135 (GCVE-0-2025-40135)
Vulnerability from cvelistv5 – Published: 2025-11-12 10:23 – Updated: 2025-12-01 06:18
VLAI?
EPSS
Title
ipv6: use RCU in ip6_xmit()
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: use RCU in ip6_xmit()
Use RCU in ip6_xmit() in order to use dst_dev_rcu() to prevent
possible UAF.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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