Use After Free Affecting kernel-docs package, versions <4.12.14-150100.197.114.2


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.3% (22nd percentile)

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  • Snyk IDSNYK-SLES151-KERNELDOCS-2931580
  • published18 Jun 2022
  • disclosed17 Jun 2022

Introduced: 17 Jun 2022

CVE-2022-1419  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade SLES:15.1 kernel-docs to version 4.12.14-150100.197.114.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-docs package and not the kernel-docs package as distributed by SLES. See How to fix? for SLES:15.1 relevant fixed versions and status.

The root cause of this vulnerability is that the ioctl$DRM_IOCTL_MODE_DESTROY_DUMB can decrease refcount of *drm_vgem_gem_object *(created in vgem_gem_dumb_create) concurrently, and *vgem_gem_dumb_create *will access the freed drm_vgem_gem_object.

CVSS Base Scores

version 3.1