Use After Free Affecting kernel-doc package, versions <0:3.10.0-1160.21.1.el7


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.62% (45th percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELDOC-2579369
  • published10 Apr 2022
  • disclosed14 Jan 2020

Introduced: 14 Jan 2020

CVE-2020-7053  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-doc to version 0:3.10.0-1160.21.1.el7 or higher.
This issue was patched in ELSA-2021-0856.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-doc package and not the kernel-doc package as distributed by Oracle. See How to fix? for Oracle:7 relevant fixed versions and status.

In the Linux kernel 4.14 longterm through 4.14.165 and 4.19 longterm through 4.19.96 (and 5.x before 5.2), there is a use-after-free (write) in the i915_ppgtt_close function in drivers/gpu/drm/i915/i915_gem_gtt.c, aka CID-7dc40713618c. This is related to i915_gem_context_destroy_ioctl in drivers/gpu/drm/i915/i915_gem_context.c.

CVSS Base Scores

version 3.1