NULL Pointer Dereference Affecting dlm-kmp-default package, versions <5.3.18-24.46.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-SLES152-DLMKMPDEFAULT-2693653
  • published14 Apr 2022
  • disclosed14 Jan 2021

Introduced: 14 Jan 2021

CVE-2020-27830  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade SLES:15.2 dlm-kmp-default to version 5.3.18-24.46.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream dlm-kmp-default package and not the dlm-kmp-default package as distributed by SLES. See How to fix? for SLES:15.2 relevant fixed versions and status.

A vulnerability was found in Linux Kernel where in the spk_ttyio_receive_buf2() function, it would dereference spk_ttyio_synth without checking whether it is NULL or not, and may lead to a NULL-ptr deref crash.

CVSS Scores

version 3.1