Information Exposure Affecting kernel-livepatch-4_12_14-197_102-default package, versions <1-3.3.1


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-SLES151-KERNELLIVEPATCH41214197102DEFAULT-2665710
  • published14 Apr 2022
  • disclosed2 Dec 2021

Introduced: 2 Dec 2021

CVE-2021-35477  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

Upgrade SLES:15.1 kernel-livepatch-4_12_14-197_102-default to version 1-3.3.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-4_12_14-197_102-default package and not the kernel-livepatch-4_12_14-197_102-default package as distributed by SLES. See How to fix? for SLES:15.1 relevant fixed versions and status.

In the Linux kernel through 5.13.7, an unprivileged BPF program can obtain sensitive information from kernel memory via a Speculative Store Bypass side-channel attack because a certain preempting store operation does not necessarily occur before a store operation that has an attacker-controlled value.

CVSS Scores

version 3.1