high8.8
CVE-2026-64138
In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate SID in parent security descriptor during ACL inheritance Introduce smb_vali…
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | from 5.15 before 6.12.92 from 6.13 before 6.18.34 from 6.19 before 7.0.11 Version 7.1 |
References
- NVD record
- CVE.org record
- https://git.kernel.org/stable/c/18d8db24b0a5b7be4829238dd4022236df02d421
- https://git.kernel.org/stable/c/1c9d0646a9959752f11ca1080dc1ff26bd1756cb
- https://git.kernel.org/stable/c/69f030cf95488ae1186c72ac8c66fd279664ea7f
- https://git.kernel.org/stable/c/8efbea0253b7fa2d1960cab0fed36544ca0b41ab
- https://git.kernel.org/stable/c/f0e5c9c663badc9982e6941322eef1cb17de0f11
- https://git.kernel.org/stable/c/f7c4dee323d9176b8d3f5c69018ee57ae0d4653c