CVE-2025-39924 — Excessive Iteration in Linux
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 95.28%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 1
Description
In the Linux kernel, the following vulnerability has been resolved:
erofs: fix invalid algorithm for encoded extents
The current algorithm sanity checks do not properly apply to new
encoded extents.
Unify the algorithm check with Z_EROFS_COMPRESSION(_RUNTIME)_MAX
and ensure consistency with sbi->available_compr_algs.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages7 packages
▶CVEListV5linux/linux1d191b4ca51d73699cb127386b95ac152af2b930 — db5d7abd379a8dcf030be8f52f99cadf7e397ba8+2
Patches
🔴Vulnerability Details
2OSV▶
CVE-2025-39924: In the Linux kernel, the following vulnerability has been resolved: erofs: fix invalid algorithm for encoded extents The current algorithm sanity chec↗2025-10-01
GHSA▶
GHSA-rx4q-q596-qrmv: In the Linux kernel, the following vulnerability has been resolved:
erofs: fix invalid algorithm for encoded extents
The current algorithm sanity ch↗2025-10-01