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Use After Free Affecting kernel-rt-core package, versions <0:4.18.0-80.11.1.rt9.156.el8_0

Severity

 Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.07% (22nd percentile)

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  • Snyk IDSNYK-CENTOS8-KERNELRTCORE-1991200
  • published26 Jul 2021
  • disclosed4 Dec 2018
Report a new vulnerability Found a mistake?

Introduced: 4 Dec 2018

CVE-2018-19824  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade Centos:8 kernel-rt-core to version 0:4.18.0-80.11.1.rt9.156.el8_0 or higher.

NVD Description

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

In the Linux kernel through 4.19.6, a local user could exploit a use-after-free in the ALSA driver by supplying a malicious USB Sound device (with zero interfaces) that is mishandled in usb_audio_probe in sound/usb/card.c.

References