CVE-2025-40167 — Integer Underflow (Wrap or Wraparound) in Linux
Severity
7.8HIGHOSV
OSV5.5OSV3.2
No vectorEPSS
0.0%
top 87.20%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedNov 12
Latest updateApr 13
Description
In the Linux kernel, the following vulnerability has been resolved:
ext4: detect invalid INLINE_DATA + EXTENTS flag combination
syzbot reported a BUG_ON in ext4_es_cache_extent() when opening a verity
file on a corrupted ext4 filesystem mounted without a journal.
The issue is that the filesystem has an inode with both the INLINE_DATA
and EXTENTS flags set:
EXT4-fs error (device loop0): ext4_cache_extents:545: inode #15:
comm syz.0.17: corrupted extent tree: lblk 0 < prev 66
Investigation re…
Affected Packages7 packages
▶CVEListV5linux/linuxf19d5870cbf72d4cb2a8e1f749dff97af99b071e — 4954d297c91d292630ab43ba4d195dc371ce65d3+8