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


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.56% (43rd percentile)

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  • Snyk IDSNYK-RHEL7-BPFTOOL-7970099
  • published14 Sept 2024
  • disclosed4 Dec 2018

Introduced: 4 Dec 2018

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

How to fix?

Upgrade RHEL:7 bpftool to version 0:3.10.0-1062.el7 or higher.
This issue was patched in RHSA-2019:2029.

NVD Description

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