CVE-2022-4139
kernel: i915: Incorrect GPU TLB flush can lead to random memory access
Severity
ImportantRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · November 30, 2022
Updated · June 28, 2026
Description
An incorrect TLB flush issue was found in the Linux kernel’s GPU i915 kernel driver, potentially leading to random memory corruption or data leaks. This flaw could allow a local user to crash the system or escalate their privileges on the system.
Statement
Red Hat Enterprise Linux 7 is not affected by this flaw as it did not include support for Intel Gen12 GPU.
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
Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.
CVSS / CWE
CVSS 3.1 · 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE-825 · Expired Pointer Dereference