CVE-2026-98533
kernel: ipe: protect the dm-verity root hash with RCU
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 18, 2026
Updated · October 20, 2026
Description
A flaw was found in the Linux kernel's Integrity Policy Enforcement (IPE) subsystem. When dm-verity updates a root hash, the old hash can be freed while concurrent policy evaluation operations are still accessing it. A local attacker could exploit this use-after-free condition to trigger a Denial of Service (DoS) via a system crash or potentially cause memory corruption.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 4.1CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
CWE-825 · Expired Pointer Dereference