NULL Pointer Dereference Affecting kernel-macros package, versions <4.12.14-150.14.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
7.98% (92nd percentile)

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  • Snyk IDSNYK-SLES150-KERNELMACROS-2755557
  • published14 Apr 2022
  • disclosed28 Mar 2019

Introduced: 28 Mar 2019

CVE-2019-9213  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 kernel-macros to version 4.12.14-150.14.1 or higher.

NVD Description

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

In the Linux kernel before 4.20.14, expand_downwards in mm/mmap.c lacks a check for the mmap minimum address, which makes it easier for attackers to exploit kernel NULL pointer dereferences on non-SMAP platforms. This is related to a capability check for the wrong task.

References

CVSS Base Scores

version 3.1