Interpretation Conflict in Linux kernel - CVE-2026-98005
Published: September 28, 2026
Vulnerability identifier: #VU152473
CSH Severity: Low
CVSS v4: 0 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-98005
CWE-ID: CWE-436
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause ambiguous inode-sharing cache key interpretation.
The vulnerability exists due to ambiguous key encoding in EROFS inode_share cache key construction when combining domain IDs and inode fingerprints. A local user can provide colliding key components to cause ambiguous inode-sharing cache key interpretation.
Affected software
Linux kernel
How to mitigate CVE-2026-98005
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3