CVE-2023-6531
HIGHLinux Kernel < 6.7 - Use-After-Free via Unix Garbage Collector Race Condition
Title source: llmDescription
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 (6)
Core 6
Core References
Mailing List, Patch
https://lore.kernel.org/all/c716c88321939156909cfa1bd8b0faaf1c804103.1701868795.git.asml.silence@gmail.com/
Exploit, Third Party Advisory
http://packetstormsecurity.com/files/176533/Linux-Broken-Unix-GC-Interaction-Use-After-Free.html
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2024:2394
Third Party Advisory vdb-entry
x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2023-6531
Issue Tracking issue-tracking
x_refsource_redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2253034
Scores
CVSS v3
7.0
EPSS
0.0001
EPSS Percentile
2.5%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-362
Status
published
Products (3)
linux/linux_kernel
6.7 rc1 (4 CPE variants)
linux/linux_kernel
< 6.7
redhat/enterprise_linux
9.0
Published
Jan 21, 2024
Tracked Since
Feb 18, 2026