Race Condition Affecting kernel-livepatch-4.14.238-182.421 package, versions <0:1.0-0.amzn2


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.69% (49th percentile)

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  • Snyk IDSNYK-AMZN2-KERNELLIVEPATCH414238182421-1701827
  • published27 Sept 2021
  • disclosed10 May 2021

Introduced: 10 May 2021

CVE-2021-32399  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 kernel-livepatch-4.14.238-182.421 to version 0:1.0-0.amzn2 or higher.
This issue was patched in ALAS2-2021-1685.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-livepatch-4.14.238-182.421 package and not the kernel-livepatch-4.14.238-182.421 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

net/bluetooth/hci_request.c in the Linux kernel through 5.12.2 has a race condition for removal of the HCI controller.

CVSS Base Scores

version 3.1