High 7.8Published Oct 1, 2025

CVE-2025-39924erofs: fix invalid algorithm for encoded extents

Updated under an hour ago (Oct 28, 2026, 9:50 AM ET)

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Exploited in the last 30 days

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: 7.8 HIGH (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Aug 5, 2026
First seen by InfoSec Signals: Oct 19, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 1d191b4ca51d73699cb127386b95ac152af2b930 before db5d7abd379a8dcf030be8f52f99cadf7e397ba8; from 1d191b4ca51d73699cb127386b95ac152af2b930 before 131897c65e2b86cf14bec7379f44aa8fbb407526	CNA record
linux linux_kernel linux:linux_kernel	from 6.15 before 6.16.8; 6.17; 6.17; 6.17; 6.17; 6.17	NVD

References

References

https://git.kernel.org/stable/c/db5d7abd379a8dcf030be8f52f99cadf7e397ba8	patch
https://git.kernel.org/stable/c/131897c65e2b86cf14bec7379f44aa8fbb407526	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.