Allocation of Resources Without Limits or Throttling Affecting kernel-macros package, versions <4.12.14-150.72.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.12% (32nd percentile)

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  • Snyk IDSNYK-SLES150-KERNELMACROS-2684395
  • published14 Apr 2022
  • disclosed12 May 2021

Introduced: 12 May 2021

CVE-2021-28038  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade SLES:15.0 kernel-macros to version 4.12.14-150.72.1 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.

An issue was discovered in the Linux kernel through 5.11.3, as used with Xen PV. A certain part of the netback driver lacks necessary treatment of errors such as failed memory allocations (as a result of changes to the handling of grant mapping errors). A host OS denial of service may occur during misbehavior of a networking frontend driver. NOTE: this issue exists because of an incomplete fix for CVE-2021-26931.

CVSS Base Scores

version 3.1