Out-of-bounds Write Affecting kernel-obs-build package, versions <4.12.14-150000.150.92.2


Severity

Recommended
0.0
high
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-SLES150-KERNELOBSBUILD-2930273
  • published17 Jun 2022
  • disclosed16 Jun 2022

Introduced: 16 Jun 2022

CVE-2022-21499  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 kernel-obs-build to version 4.12.14-150000.150.92.2 or higher.

NVD Description

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

KGDB and KDB allow read and write access to kernel memory, and thus should be restricted during lockdown. An attacker with access to a serial port could trigger the debugger so it is important that the debugger respect the lockdown mode when/if it is triggered. CVSS 3.1 Base Score 6.7 (Confidentiality, Integrity and Availability impacts). CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H).

CVSS Scores

version 3.1