Detections
Analytics

CVE-2023-6531

high

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.

References

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

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

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

https://lists.debian.org/debian-lts-announce/2024/01/msg00005.html

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

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

Details

Source: Mitre, NVD

Published: 2024-01-21

Updated: 2025-11-04

Risk Information

CVSS v2

Base Score: 6

Vector: CVSS2#AV:L/AC:H/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7

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

Severity: High

EPSS

EPSS: 0.00039