Security update for fuse-overlayfs
A security update for fuse-overlayfs addresses CVE-2026-52791, which involves a privilege escalation vulnerability caused by the preservation of SUID/SGID bits after a truncate operation. This flaw could allow unauthorized privilege escalation. The issue has been fixed in the update.
AI Analysis
Technical Summary
CVE-2026-52791 is a vulnerability in fuse-overlayfs where the SUID/SGID bits are improperly preserved after a truncate operation, leading to potential privilege escalation. This security update resolves the issue by correcting the handling of these bits during file truncation.
Potential Impact
The vulnerability allows an attacker to escalate privileges due to improper preservation of SUID/SGID bits after truncating files. This could enable unauthorized access or execution with elevated privileges.
Mitigation Recommendations
Apply the security update for fuse-overlayfs provided by the vendor to remediate the privilege escalation vulnerability. Since this update fixes the issue, no further immediate action is required beyond patching.
Security update for fuse-overlayfs
Description
A security update for fuse-overlayfs addresses CVE-2026-52791, which involves a privilege escalation vulnerability caused by the preservation of SUID/SGID bits after a truncate operation. This flaw could allow unauthorized privilege escalation. The issue has been fixed in the update.
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-52791 is a vulnerability in fuse-overlayfs where the SUID/SGID bits are improperly preserved after a truncate operation, leading to potential privilege escalation. This security update resolves the issue by correcting the handling of these bits during file truncation.
Potential Impact
The vulnerability allows an attacker to escalate privileges due to improper preservation of SUID/SGID bits after truncating files. This could enable unauthorized access or execution with elevated privileges.
Mitigation Recommendations
Apply the security update for fuse-overlayfs provided by the vendor to remediate the privilege escalation vulnerability. Since this update fixes the issue, no further immediate action is required beyond patching.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- SUSE Product Security Team
- Advisory Id
- openSUSE-SU-2026:21753-1
- Cve Count
- 1
- State
- PUBLISHED
Threat ID: 6aab495c55bf5e2cf5990ade
Added to database: 09/17/2026, 01:58:52 UTC
Last enriched: 09/17/2026, 02:06:19 UTC
Last updated: 09/17/2026, 02:06:19 UTC
Views: 3
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