CVE-2026-45948

MEDIUM

ext4: fix memory leak in ext4_ext_shift_extents()

Title source: cna
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leak in ext4_ext_shift_extents() In ext4_ext_shift_extents(), if the extent is NULL in the while loop, the function returns immediately without releasing the path obtained via ext4_find_extent(), leading to a memory leak. Fix this by jumping to the out label to ensure the path is properly released.

Scores

CVSS v3 5.5
EPSS 0.0016
EPSS Percentile 5.6%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-401
Status published
Products (27)
linux/Kernel 3.15.0 - 5.10.252linux
linux/Kernel 5.11.0 - 5.15.202linux
linux/Kernel 5.16.0 - 6.1.165linux
linux/Kernel 6.13.0 - 6.18.14linux
linux/Kernel 6.19.0 - 6.19.4linux
linux/Kernel 6.2.0 - 6.6.128linux
linux/Kernel 6.7.0 - 6.12.75linux
Linux/Linux < 3.15
Linux/Linux 3.15
Linux/Linux 5.10.252 - 5.10.*
... and 17 more
Published May 27, 2026
Tracked Since May 27, 2026