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CNVD-2023-62925
Vulnerability from cnvd - Published: 2023-08-11
VLAI Severity ?
Title
Linux kernel vcs_read内存错误引用漏洞
Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。
Linux kernel存在内存错误引用漏洞,该漏洞源于vcs_read负责释放内存的指令发生混乱。攻击者可利用该漏洞造成系统崩溃或泄露内核信息。
Severity
中
Patch Name
Linux kernel vcs_read内存错误引用漏洞的补丁
Patch Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。
Linux kernel存在内存错误引用漏洞,该漏洞源于vcs_read负责释放内存的指令发生混乱。攻击者可利用该漏洞造成系统崩溃或泄露内核信息。目前,供应商发布了安全公告及相关补丁信息,修复了此漏洞。
Formal description
厂商已发布了漏洞修复程序,请及时关注更新: https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git
Reference
https://nvd.nist.gov/vuln/detail/CVE-2023-3567
Impacted products
| Name | Linux Linux kernel <6.2.0 |
|---|
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CVE-2023-3567 (GCVE-0-2023-3567)
Vulnerability from cvelistv5 – Published: 2023-07-24 15:19 – Updated: 2025-11-06 19:46
VLAI?
EPSS
Title
Kernel: use after free in vcs_read in drivers/tty/vt/vc_screen.c due to race
Summary
A use-after-free flaw was found in vcs_read in drivers/tty/vt/vc_screen.c in vc_screen in the Linux Kernel. This issue may allow an attacker with local user access to cause a system crash or leak internal kernel information.
Severity ?
7.1 (High)
CWE
- CWE-416 - Use After Free
Assigner
References
| URL | Tags | |||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
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Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 8 |
Unaffected:
0:4.18.0-553.rt7.342.el8_10 , < *
(rpm)
cpe:/a:redhat:enterprise_linux:8::realtime cpe:/a:redhat:enterprise_linux:8::nfv |
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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"assignerShortName": "redhat",
"cveId": "CVE-2023-3567",
"datePublished": "2023-07-24T15:19:19.795Z",
"dateReserved": "2023-07-09T09:05:56.937Z",
"dateUpdated": "2025-11-06T19:46:34.822Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
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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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