Use After Free Affecting kernel-rt-debug-kvm package, versions <0:4.18.0-425.3.1.rt7.213.el8


Severity

Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (16th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUGKVM-4362505
  • published12 Apr 2022
  • disclosed11 Apr 2022

Introduced: 11 Apr 2022

CVE-2022-28893  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-debug-kvm to version 0:4.18.0-425.3.1.rt7.213.el8 or higher.
This issue was patched in RHSA-2022:7444.

NVD Description

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

The SUNRPC subsystem in the Linux kernel through 5.17.2 can call xs_xprt_free before ensuring that sockets are in the intended state.

CVSS Scores

version 3.1