Use After Free Affecting kernel-tools-libs-devel package, versions <0:4.18.0-193.el8


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.07% (35th percentile)

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  • Snyk IDSNYK-CENTOS8-KERNELTOOLSLIBSDEVEL-2038723
  • published26 Jul 2021
  • 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 Centos:8 kernel-tools-libs-devel to version 0:4.18.0-193.el8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools-libs-devel package and not the kernel-tools-libs-devel package as distributed by Centos. See How to fix? for Centos:8 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 Scores

version 3.1