Use After Free Affecting linux-4.9 package, versions <4.9.168-1~deb8u1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.04% (13th percentile)

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  • Snyk IDSNYK-DEBIAN8-LINUX49-345496
  • published3 Dec 2018
  • disclosed3 Dec 2018

Introduced: 3 Dec 2018

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

How to fix?

Upgrade Debian:8 linux-4.9 to version 4.9.168-1~deb8u1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream linux-4.9 package and not the linux-4.9 package as distributed by Debian. See How to fix? for Debian: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.