CVE-2023-6531

A use-after-free flaw was found in the Linux Kernel due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic() on the socket that the SKB is queued on.

CVSS v3 7.0 HIGH

7.0^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.0 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://access.redhat.com/errata/RHSA-2024:2394
https://access.redhat.com/security/cve/CVE-2023-6531	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2253034	Issue Tracking
https://lore.kernel.org/all/c716c88321939156909cfa1bd8b0faaf1c804103.1701868795.git.asml.silence@gmail.com/	Mailing List Patch
http://packetstormsecurity.com/files/176533/Linux-Broken-Unix-GC-Interaction-Use-After-Free.html
https://access.redhat.com/errata/RHSA-2024:2394
https://access.redhat.com/security/cve/CVE-2023-6531	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2253034	Issue Tracking
https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html
https://lore.kernel.org/all/c716c88321939156909cfa1bd8b0faaf1c804103.1701868795.git.asml.silence@gmail.com/	Mailing List Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:6.7:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.7:rc2::::::
	cpe:2.3:o:linux:linux_kernel:6.7:rc3::::::
	cpe:2.3:o:linux:linux_kernel:6.7:rc4::::::

Configuration 2 (hide)

cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

History

04 Nov 2025, 19:16

Type	Values Removed	Values Added
References		() http://packetstormsecurity.com/files/176533/Linux-Broken-Unix-GC-Interaction-Use-After-Free.html - () https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html -

Information

Published : 2024-01-21 10:15

Updated : 2025-11-04 19:16

NVD link : CVE-2023-6531

Mitre link : CVE-2023-6531

CVE.ORG link : CVE-2023-6531

JSON object : View

Products Affected

redhat

enterprise_linux

linux

linux_kernel

CWE

CWE-362

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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