Out-of-bounds Write Affecting kernel-livepatch-4_12_14-150000_150_95-default package, versions <4-150000.2.1


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.04% (5th percentile)

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  • Snyk IDSNYK-SLES150-KERNELLIVEPATCH4121415000015095DEFAULT-3123154
  • published17 Nov 2022
  • disclosed16 Nov 2022

Introduced: 16 Nov 2022

CVE-2021-33655  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 kernel-livepatch-4_12_14-150000_150_95-default to version 4-150000.2.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-4_12_14-150000_150_95-default package and not the kernel-livepatch-4_12_14-150000_150_95-default package as distributed by SLES. See How to fix? for SLES:15.0 relevant fixed versions and status.

When sending malicous data to kernel by ioctl cmd FBIOPUT_VSCREENINFO,kernel will write memory out of bounds.

CVSS Scores

version 3.1