NULL Pointer Dereference Affecting kernel-default-livepatch package, versions <4.12.14-150.52.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.48% (38th percentile)

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  • Snyk IDSNYK-SLES150-KERNELDEFAULTLIVEPATCH-3254344
  • published14 Apr 2022
  • disclosed18 Jun 2020

Introduced: 18 Jun 2020

CVE-2019-20054  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 kernel-default-livepatch to version 4.12.14-150.52.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-default-livepatch package and not the kernel-default-livepatch package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

In the Linux kernel before 5.0.6, there is a NULL pointer dereference in drop_sysctl_table() in fs/proc/proc_sysctl.c, related to put_links, aka CID-23da9588037e.

CVSS Base Scores

version 3.1