CVE-2023-6531

7.0 HIGH

Published: January 21, 2024 Modified: November 04, 2025

Description

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0

Vector String

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

https://access.redhat.com/errata/RHSA-2024:2394

Source: secalert@redhat.com

https://access.redhat.com/security/cve/CVE-2023-6531

Source: secalert@redhat.com

Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=2253034

Source: secalert@redhat.com

Issue Tracking

https://lore.kernel.org/all/c716c88321939156909cfa1bd8b0faaf1c804103.1701868795.git.asml.silence@gmail.com/

Source: secalert@redhat.com

Mailing List Patch

http://packetstormsecurity.com/files/176533/Linux-Broken-Unix-GC-Interaction-Use-After-Free.html