Improper Cross-boundary Removal of Sensitive Data Affecting kernel package, versions <0:5.15.73-45.135.amzn2022


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-AMZN2022-KERNEL-3102960
  • published4 Nov 2022
  • disclosed26 Aug 2022

Introduced: 26 Aug 2022

CVE-2022-0171  (opens in a new tab)
CWE-212  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2022 kernel to version 0:5.15.73-45.135.amzn2022 or higher.
This issue was patched in ALAS2022-2022-185.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel package and not the kernel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2022 relevant fixed versions and status.

A flaw was found in the Linux kernel. The existing KVM SEV API has a vulnerability that allows a non-root (host) user-level application to crash the host kernel by creating a confidential guest VM instance in AMD CPU that supports Secure Encrypted Virtualization (SEV).

CVSS Scores

version 3.1