CVE-2025-39975
Critical
Description
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix wrong index reference in smb2_compound_op() In smb2_compound_op(), the loop that processes each command's response uses wrong indices when accessing response bufferes. This incorrect indexing leads to improper handling of command results. Also, if incorrectly computed index is greather than or equal to MAX_COMPOUND, it can cause out-of-bounds accesses.
SeverityCritical
CVSS9.8
Exploit probability—
Product
Linux
PublishedOct 15, 2025
First seenOct 15, 2025
How to fix
Update
- Linux Linuxba7bcfd52c66dd1c2dfa5142aca7e4a70b62dfa5, bfb1e2aad1fecef8320fd71332acde0d53a8d699, 093615fc76063ea08d454ba86677ce64c736e806, fbe2dc6a9c7318f7263f5e4d50f6272b931c5756, 6.6.109, 6.12.50, 6.14 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | 5ddcc9e92d54548219985ce4de88618fb53e14ec ≤ v < ba7bcfd52c66dd1c2dfa5142aca7e4a70b62dfa5, efe8db3ecaa40a8520dc9a54283dcecd82ceea9c ≤ v < bfb1e2aad1fecef8320fd71332acde0d53a8d699, 3681c74d342db75b0d641ba60de27bf73e16e66b ≤ v < 093615fc76063ea08d454ba86677ce64c736e806, 3681c74d342db75b0d641ba60de27bf73e16e66b ≤ v < fbe2dc6a9c7318f7263f5e4d50f6272b931c5756, 77aefd1d9b790f60634adebbdcfffbe934f41c34, 6.6.75 ≤ v < 6.6.109, 6.12.12 ≤ v < 6.12.50, 6.13.1 ≤ v < 6.14, 6.14 | ba7bcfd52c66dd1c2dfa5142aca7e4a70b62dfa5, bfb1e2aad1fecef8320fd71332acde0d53a8d699, 093615fc76063ea08d454ba86677ce64c736e806, fbe2dc6a9c7318f7263f5e4d50f6272b931c5756, 6.6.109, 6.12.50, 6.14 |
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