CVE-2025-39924

MEDIUM

Linux Kernel 6.15-6.16.7 - Denial of Service via EROFS Encoded Extents Algorithm Check

Title source: llm

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.

References (2)

Core 2

Core References

Patch

https://git.kernel.org/stable/c/db5d7abd379a8dcf030be8f52f99cadf7e397ba8

Patch

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

Scores

CVSS v3 5.5

EPSS 0.0012

EPSS Percentile 2.1%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

Status published

Products (9)

linux/Kernel 6.15.0 - 6.16.8linux

Linux/Linux < 6.15

Linux/Linux 1d191b4ca51d73699cb127386b95ac152af2b930 - 131897c65e2b86cf14bec7379f44aa8fbb407526

Linux/Linux 1d191b4ca51d73699cb127386b95ac152af2b930 - db5d7abd379a8dcf030be8f52f99cadf7e397ba8

Linux/Linux 6.15

Linux/Linux 6.16.8 - 6.16.*

Linux/Linux 6.17

linux/linux_kernel 6.17 rc1 (5 CPE variants)

linux/linux_kernel 6.15 - 6.16.8

Published Oct 01, 2025

Tracked Since Feb 18, 2026