Missing Release of Resource after Effective Lifetime Affecting kernel-rt-debug package, versions <0:4.18.0-348.rt7.130.el8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (15th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUG-4125817
  • published26 Jul 2021
  • disclosed11 Sept 2020

Introduced: 11 Sep 2020

CVE-2020-36312  (opens in a new tab)
CWE-772  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-debug to version 0:4.18.0-348.rt7.130.el8 or higher.
This issue was patched in RHSA-2021:4140.

NVD Description

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

An issue was discovered in the Linux kernel before 5.8.10. virt/kvm/kvm_main.c has a kvm_io_bus_unregister_dev memory leak upon a kmalloc failure, aka CID-f65886606c2d.

CVSS Scores

version 3.1