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High severity7.8NVD Advisory· Published Oct 1, 2025· Updated Jul 30, 2026

CVE-2025-39924

CVE-2025-39924

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.

Affected products

9

Linux/Kernel8 versions
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 7 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.15,<6.16.8
- cpe:2.3:o:linux:linux_kernel:6.17:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.17:rc5:*:*:*:*:*:*
- (no CPE)
- (no CPE)range: 6.15
osv-coords
pkg:linux/kernel
Range: >= 6.15.0, < 6.16.8

Patches

Vulnerability mechanics

References

2

News mentions

0

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