CVE-2025-21946
High
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out-of-bounds in parse_sec_desc() If osidoffset, gsidoffset and dacloffset could be greater than smb_ntsd struct size. If it is smaller, It could cause slab-out-of-bounds. And when validating sid, It need to check it included subauth array size.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Linux Kernel
PublishedApr 1, 2025
First seenApr 1, 2025
How to fix
Update
- linux linux_kernel6.6.83, 6.12.19, 6.13.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.15 ≤ v < 6.6.83, 6.7 ≤ v < 6.12.19, 6.13 ≤ v < 6.13.7, 6.14 | 6.6.83, 6.12.19, 6.13.7 |
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