vulnerability

Debian: CVE-2024-58085: linux, linux-6.1 -- security update

Severity
7
CVSS
(AV:N/AC:L/Au:S/C:N/I:N/A:C)
Published
Mar 6, 2025
Added
Mar 17, 2025
Modified
May 28, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

tomoyo: don't emit warning in tomoyo_write_control()

syzbot is reporting too large allocation warning at tomoyo_write_control(),
for one can write a very very long line without new line character. To fix
this warning, I use __GFP_NOWARN rather than checking for KMALLOC_MAX_SIZE,
for practically a valid line should be always shorter than 32KB where the
"too small to fail" memory-allocation rule applies.

One might try to write a valid line that is longer than 32KB, but such
request will likely fail with -ENOMEM. Therefore, I feel that separately
returning -EINVAL when a line is longer than KMALLOC_MAX_SIZE is redundant.
There is no need to distinguish over-32KB and over-KMALLOC_MAX_SIZE.

Solution(s)

debian-upgrade-linuxdebian-upgrade-linux-6-1
Title
NEW

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