🛡️ CVE-2023-3269
🟠 CVSS 7.8 — High ✅ No Known Exploit CWE-416 NVD
7.8
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

A vulnerability exists in the memory management subsystem of the Linux kernel. The lock handling for accessing and updating virtual memory areas (VMAs) is incorrect, leading to use-after-free problems. This issue can be successfully exploited to execute arbitrary kernel code, escalate containers, and gain root privileges.

Details

Severity HIGH
CVSS Score 7.8
CVSS Vector CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CWE CWE-416
Public Exploit ✅ No
Source NVD
Published 2023-07-11
Updated 2026-06-08
Modified 2024-11-21

Affected Packages

Software From version Fixed in
enterprise-linux — —
fedora — —
linux-kernel — —

References

Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2023/Jul/43
Issue Tracking, Patch, Third Party Advisory https://bugzilla.redhat.com/show_bug.cgi?id=2215268
Mailing List, Third Party Advisory http://seclists.org/fulldisclosure/2023/Jul/43
Issue Tracking, Patch, Third Party Advisory https://bugzilla.redhat.com/show_bug.cgi?id=2215268

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