LinuxVULNRICHMENT:CVE-2024-26774

HistoryApr 03, 2024 - 5:01 p.m.

CVE-2024-26774 ext4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt

2024-04-0317:01:00

Linux

github.com

linux

kernel

ext4

vulnerability

cve

block bitmap

AI Score

6.7

Confidence

Low

SSVC

Exploitation

none

Automatable

Technical Impact

partial

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

ext4: avoid dividing by 0 in mb_update_avg_fragment_size() when block bitmap corrupt

Determine if bb_fragments is 0 instead of determining bb_free to eliminate
the risk of dividing by zero when the block bitmap is corrupted.

References

git.kernel.org/stable/c/687061cfaa2ac3095170e136dd9c29a4974f41d4

git.kernel.org/stable/c/8b40eb2e716b503f7a4e1090815a17b1341b2150

git.kernel.org/stable/c/8cf9cc602cfb40085967c0d140e32691c8b71cf3

git.kernel.org/stable/c/993bf0f4c393b3667830918f9247438a8f6fdb5b

git.kernel.org/stable/c/f32d2a745b02123258026e105a008f474f896d6a