PT-2025-53189 · Linux · Linux Kernel
Published
2023-09-11
·
Updated
2026-03-24
·
CVE-2023-54112
CVSS v2.0
4.3
Medium
| Vector | AV:A/AC:H/Au:S/C:N/I:N/A:C |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The Linux kernel contains a memory leak in the
kcm sendmsg() function. The issue occurs when an error happens after some bytes have been copied during message sending, leaving the last skb pointer unmodified. A subsequent call to kcm sendmsg() then uses this outdated pointer, corrupting the head frag list and causing a memory leak. The function kcm tx msg() utilizes kcm tx msg(head)->last skb as a cursor for appending newly allocated skbs to head.Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Memory Leak
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Weakness Enumeration
Related Identifiers
Affected Products
Linux Kernel