Out-of-bounds read in Linux kernel - CVE-2026-90205
Published: September 19, 2026
Vulnerability identifier: #VU151279
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-90205
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to read memory out of bounds.
The vulnerability exists due to an out-of-bounds read in ocfs2_wipe_inode when processing a corrupted OCFS2 dinode marked with OCFS2_ORPHANED_FL. A local user can cause OCFS2 to process a dinode whose i_orphaned_slot is outside the mounted filesystem slot range to read memory out of bounds.
Affected software
Linux kernel
How to mitigate CVE-2026-90205
Install security update from vendor's repository.