Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate SID in parent security descriptor during ACL inheritance… (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_validate_ntsd_sid() helper to safely validate Owner SID and Group SID inside the NT Security Descriptor (smb_ntsd) retrieved from the parent directory.
Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate SID in parent security descriptor during ACL inheritance… (CVE-2026-64138)
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.
CVSS v3.1
Score 8.8high
Affected software
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-23jx-58r9-pwv6
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-64138"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- 3.1
Threat ID: 6a5d27a82a4a8d598912b244
Added to database: 07/19/2026, 19:38:16 UTC
Last enriched: 07/19/2026, 19:47:01 UTC
Last updated: 09/03/2026, 10:52:10 UTC
Views: 72
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