CVE-2026-89452
kernel: iommu/msm: Unwind probe state on registration failure
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 11, 2026
Updated · October 31, 2026
Description
A flaw was found in the iommu/msm component of the Linux kernel. This vulnerability occurs when msm_iommu_probe() fails to properly unwind its probe state during registration, leaving a dangling list entry. A local attacker could potentially exploit this to cause a dereference of the dangling list entry, leading to system instability or a denial of service.
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 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-825 · Expired Pointer Dereference