HIGHVulnerability

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.

Properties

severity
HIGH
score
8.8
cve_id
CVE-2026-64138
vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
published_at
2026-07-19T16:17:55.680
last_modified
2026-08-18T12:42:58.903

Related Entities (6)

DESCRIBED_BY (1)

[Source]NVD

AFFECTS_PRODUCT (5)

[Product]
[Product]
[Product]
[Product]
[Product]

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CVE-2026-64138 — Ninja Signal Threat Intelligence | Ninja Signal