Use After Free Affecting kernel-headers package, versions <0:4.18.0-513.5.1.el8_9


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELHEADERS-3046439
  • published14 Oct 2022
  • disclosed9 Sept 2022

Introduced: 9 Sep 2022

CVE-2022-38457  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-headers to version 0:4.18.0-513.5.1.el8_9 or higher.
This issue was patched in RHSA-2023:7077.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-headers package and not the kernel-headers package as distributed by RHEL. See How to fix? for RHEL:8 relevant fixed versions and status.

A use-after-free(UAF) vulnerability was found in function 'vmw_cmd_res_check' in drivers/gpu/vmxgfx/vmxgfx_execbuf.c in Linux kernel's vmwgfx driver with device file '/dev/dri/renderD128 (or Dxxx)'. This flaw allows a local attacker with a user account on the system to gain privilege, causing a denial of service(DoS).

CVSS Scores

version 3.1