vulnerability

Amazon Linux 2023: CVE-2025-40198: Important priority package update for kernel (Multiple Advisories)

Severity
4
CVSS
(AV:L/AC:L/Au:M/C:N/I:N/A:C)
Published
Nov 12, 2025
Added
Dec 9, 2025
Modified
Dec 9, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:
ext4: avoid potential buffer over-read in parse_apply_sb_mount_options()
Unlike other strings in the ext4 superblock, we rely on tune2fs to
make sure s_mount_opts is NUL terminated. Harden
parse_apply_sb_mount_options() by treating s_mount_opts as a potential
__nonstring.

Solutions

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