CVE-2024-42104 — Use After Free in Linux
Severity
7.8HIGHNVD
OSV5.5OSV5.3
EPSS
0.0%
top 98.95%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJul 30
Latest updateDec 12
Description
In the Linux kernel, the following vulnerability has been resolved:
nilfs2: add missing check for inode numbers on directory entries
Syzbot reported that mounting and unmounting a specific pattern of
corrupted nilfs2 filesystem images causes a use-after-free of metadata
file inodes, which triggers a kernel bug in lru_add_fn().
As Jan Kara pointed out, this is because the link count of a metadata file
gets corrupted to 0, and nilfs_evict_inode(), which is called from iput(),
tries to delete th…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9
Affected Packages6 packages
▶CVEListV5linux/linux2ba466d74ed74f073257f86e61519cb8f8f46184 — c33c2b0d92aa1c2262d999b2598ad6fbd53bd479+8