Use After Free Affecting kernel-rt-kvm package, versions <0:4.18.0-305.rt7.72.el8


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.11% (45th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTKVM-4001893
  • published26 Jul 2021
  • disclosed23 Mar 2020

Introduced: 23 Mar 2020

CVE-2020-12464  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-kvm to version 0:4.18.0-305.rt7.72.el8 or higher.
This issue was patched in RHSA-2021:1739.

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.

usb_sg_cancel in drivers/usb/core/message.c in the Linux kernel before 5.6.8 has a use-after-free because a transfer occurs without a reference, aka CID-056ad39ee925.

CVSS Scores

version 3.1