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Use After Free Affecting bpftool package, versions <0:3.10.0-1062.el7

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.04% (12th percentile)

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  • Snyk ID SNYK-CENTOS7-BPFTOOL-2137641
  • published 26 Jul 2021
  • disclosed 4 Dec 2018
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Introduced: 4 Dec 2018

CVE-2018-19824 Open this link in a new tab
CWE-416 Open this link in a new tab

How to fix?

Upgrade Centos:7 bpftool to version 0:3.10.0-1062.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by Centos. See How to fix? for Centos:7 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