Information Exposure Affecting dlm-kmp-default package, versions <5.3.18-24.61.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.05% (19th percentile)

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  • Snyk IDSNYK-SLES152-DLMKMPDEFAULT-2683978
  • published14 Apr 2022
  • disclosed16 Apr 2021

Introduced: 16 Apr 2021

CVE-2020-27170  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade SLES:15.2 dlm-kmp-default to version 5.3.18-24.61.1 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.

An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c performs undesirable out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information from kernel memory, aka CID-f232326f6966. This affects pointer types that do not define a ptr_limit.

CVSS Scores

version 3.1