Race Condition Affecting kernel-rt-kvm package, versions <0:4.18.0-305.10.2.rt7.83.el8_4


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.08% (35th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTKVM-4077625
  • published26 Jul 2021
  • disclosed11 May 2021

Introduced: 11 May 2021

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

How to fix?

Upgrade RHEL:8 kernel-rt-kvm to version 0:4.18.0-305.10.2.rt7.83.el8_4 or higher.
This issue was patched in RHSA-2021:2715.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-kvm package and not the kernel-rt-kvm package as distributed by RHEL. See How to fix? for RHEL:8 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 Scores

version 3.1