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Use After Free Affecting kernel-debug-devel package, versions <0:2.6.32-754.11.1.el6

Severity

 Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.26% (65th percentile)

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  • Snyk IDSNYK-RHEL6-KERNELDEBUGDEVEL-1520913
  • published26 Jul 2021
  • disclosed21 Aug 2018
Report a new vulnerability Found a mistake?

Introduced: 21 Aug 2018

CVE-2018-10902  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade RHEL:6 kernel-debug-devel to version 0:2.6.32-754.11.1.el6 or higher.
This issue was patched in RHSA-2019:0415.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debug-devel package and not the kernel-debug-devel package as distributed by RHEL. See How to fix? for RHEL:6 relevant fixed versions and status.

It was found that the raw midi kernel driver does not protect against concurrent access which leads to a double realloc (double free) in snd_rawmidi_input_params() and snd_rawmidi_output_status() which are part of snd_rawmidi_ioctl() handler in rawmidi.c file. A malicious local attacker could possibly use this for privilege escalation.