Release of invalid pointer or reference in Linux kernel - CVE-2026-89810
Published: September 17, 2026
Vulnerability identifier: #VU150470
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-89810
CWE-ID: CWE-763
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to compromise confidentiality, integrity, and availability.
The vulnerability exists due to release of an invalid page reference in svm_migrate_copy_to_ram when handling a failed page migration from device memory to system RAM. A local user can trigger a failed page migration to compromise confidentiality, integrity, and availability.
The issue can occur with IOMMU enabled.
Affected software
Linux kernel
How to mitigate CVE-2026-89810
Install security update from vendor's repository.