Expected Behavior Violation Affecting kernel-libbpf-devel package, versions <0:6.1.10-15.42.amzn2023


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-AMZN2023-KERNELLIBBPFDEVEL-3347421
  • published7 Mar 2023
  • disclosed2 Sept 2022

Introduced: 2 Sep 2022

CVE-2022-39189  (opens in a new tab)
CWE-440  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 kernel-libbpf-devel to version 0:6.1.10-15.42.amzn2023 or higher.
This issue was patched in ALAS2023-2023-070.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-libbpf-devel package and not the kernel-libbpf-devel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVM_VCPU_PREEMPTED situations.

CVSS Scores

version 3.1