Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate SID in parent security descriptor during ACL inheritance Introduce smb_validate_ntsd_sid() helper to safely validate Owner SID and Group SID inside the NT Security Descriptor (smb_ntsd) retrieved from the parent directory.
Affected products
linux: linux kernel
References6
- git.kernel.org/stable/c/18d8db24b0a5b7be4829238dd4022236df02d421 Patch
- git.kernel.org/stable/c/1c9d0646a9959752f11ca1080dc1ff26bd1756cb Patch
- git.kernel.org/stable/c/69f030cf95488ae1186c72ac8c66fd279664ea7f Patch
- git.kernel.org/stable/c/f0e5c9c663badc9982e6941322eef1cb17de0f11 Patch
- git.kernel.org/stable/c/8efbea0253b7fa2d1960cab0fed36544ca0b41ab
- git.kernel.org/stable/c/f7c4dee323d9176b8d3f5c69018ee57ae0d4653c
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 39 · as of 14 November 2026
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