Race Condition Affecting bpftool package, versions <0:4.18.0-193.64.1.el8_2


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.08% (36th percentile)

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  • Snyk IDSNYK-RHEL8-BPFTOOL-3960629
  • 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 bpftool to version 0:4.18.0-193.64.1.el8_2 or higher.
This issue was patched in RHSA-2021:3363.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool 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