CVE-2023-53391

MEDIUM

Linux Kernel 2.6.30-5.10.188 - Memory Leak in shmem kill_sb Method

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: shmem: use ramfs_kill_sb() for kill_sb method of ramfs-based tmpfs As the ramfs-based tmpfs uses ramfs_init_fs_context() for the init_fs_context method, which allocates fc->s_fs_info, use ramfs_kill_sb() to free it and avoid a memory leak.

Scores

CVSS v3 5.5
EPSS 0.0014
EPSS Percentile 3.4%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (17)
linux/Kernel 2.6.30 - 5.10.188linux
linux/Kernel 5.11.0 - 5.15.121linux
linux/Kernel 5.16.0 - 6.1.39linux
linux/Kernel 6.2.0 - 6.4.4linux
Linux/Linux < 2.6.30
Linux/Linux 2.6.30
Linux/Linux 5.10.188 - 5.10.*
Linux/Linux 5.15.121 - 5.15.*
Linux/Linux 6.1.39 - 6.1.*
Linux/Linux 6.4.4 - 6.4.*
... and 7 more
Published Sep 18, 2025
Tracked Since Feb 18, 2026