CVE-2026-64138
In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate SID in parent security descriptor during ACL inheritanc
CVSS
8.8
High
EPSS
0.2%
p6
KEV
—
Exploit Today
2
0-100
Published: Jul 19, 2026 · Last modified: Jul 20, 2026
Not enough EPSS history yet.
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.
- git.kernel.orghttps://git.kernel.org/stable/c/18d8db24b0a5b7be4829238dd4022236df02d421
- git.kernel.orghttps://git.kernel.org/stable/c/1c9d0646a9959752f11ca1080dc1ff26bd1756cb
- git.kernel.orghttps://git.kernel.org/stable/c/69f030cf95488ae1186c72ac8c66fd279664ea7f
- git.kernel.orghttps://git.kernel.org/stable/c/f0e5c9c663badc9982e6941322eef1cb17de0f11
No related CVEs by CWE or product.