SB2026082068 - openEuler 24.03 LTS SP1 update for samba
Published: August 20, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Incorrect permission assignment for critical resource (CVE-ID: CVE-2026-15779)
CWE-ID: CWE-732 - Incorrect Permission Assignment for Critical Resource
CVSSv4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to incorrect permission assignment for critical resource within "nsswitch/pam_winbind.c" in the mkhomedir process in pam_winbind when opening a PAM session for an account whose home directory resolves to / or another sensitive system path. A local user can initiate a PAM session for such an account to cause a denial of service.
This is only exploitable when mkhomedir is explicitly enabled in pam_winbind.conf.
Remediation
Install update from vendor's website.