CVE-2026-93786
HIGHCVSS 8.1Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: preserve VFS inherited POSIX ACL mask The VFS initializes a child's POSIX ACL from the parent's default ACL and the requested creation mode. Do not mutate the parent ACL or overwrite the child's VFS-computed access and default ACLs afterwards. This preserves restrictive ACL_MASK entries and prevents SMB object creation from widening effective permissions.
Timeline
Published:September 24th, 2026 5:17 PM
Last modified:October 30th, 2026 1:21 PM
CVSS Scoring
CVSS v3: 8.1 (HIGH)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
References & Reports
Advisories, patches, and third-party reports
- https://git.kernel.org/stable/c/0093909becbda22b62b39b654dbc607faed59cd0
- https://git.kernel.org/stable/c/4a19bb1c45667f5a5f6eff9cf6648e0f692d046f
- https://git.kernel.org/stable/c/591acf171644de590cda245fd8595b473a1beb70
- https://git.kernel.org/stable/c/8493da704275ca5ab67fb88c0ae7b71576e91951
- https://git.kernel.org/stable/c/e148e567a9252643baa125cb65d7ae9c2c6cf68a
Source: NIST NVD · Data may lag official sources by up to one minute