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CVE-2025-21946

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CVE-2025-21946

Published: Apr 1, 2025

Modified: May 11, 2026

PUBLISHED

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.

VendorProductVersions

Linux

Linux

affected
0626e6641f6b467447c81dd7678a69c66f7746cf - < f4ee19528664777af8b842f8f001be98345aa973
affected
0626e6641f6b467447c81dd7678a69c66f7746cf - < c1569dbbe2d43041be9f3fef7ca08bec3b66ad1b
affected
0626e6641f6b467447c81dd7678a69c66f7746cf - < 159d059cbcb0e6d0e7a7b34af3862ba09a6b22d1
affected
0626e6641f6b467447c81dd7678a69c66f7746cf - < 6a9831180d0b23b5c97e2bd841aefc8f82900172
affected
0626e6641f6b467447c81dd7678a69c66f7746cf - < d6e13e19063db24f94b690159d0633aaf72a0f03

Linux

Linux

affected
5.15
unaffected
0 - < 5.15
unaffected
6.1.160 - <= 6.1.*
unaffected
6.6.83 - <= 6.6.*
unaffected
6.12.19 - <= 6.12.*

+2 more versions

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