Deadlock Affecting kernel package, versions <0:4.14.305-155.531.amzn1


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.06% (30th percentile)

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  • Snyk IDSNYK-AMZN201803-KERNEL-5414613
  • published6 Apr 2023
  • disclosed7 Dec 2022

Introduced: 7 Dec 2022

CVE-2022-42328  (opens in a new tab)
CWE-833  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 kernel to version 0:4.14.305-155.531.amzn1 or higher.
This issue was patched in ALAS-2023-1706.

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:2018.03 relevant fixed versions and status.

Guests can trigger deadlock in Linux netback driver T[his CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The patch for XSA-392 introduced another issue which might result in a deadlock when trying to free the SKB of a packet dropped due to the XSA-392 handling (CVE-2022-42328). Additionally when dropping packages for other reasons the same deadlock could occur in case of netpoll being active for the interface the xen-netback driver is connected to (CVE-2022-42329).

CVSS Scores

version 3.1