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Race Condition Affecting kernel-rt-trace package, versions <0:3.10.0-862.11.6.rt56.819.el7

Severity

 Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-CENTOS7-KERNELRTTRACE-2106173
  • published26 Jul 2021
  • disclosed14 Feb 2018
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Introduced: 14 Feb 2018

CVE-2018-7566  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Centos:7 kernel-rt-trace to version 0:3.10.0-862.11.6.rt56.819.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-trace package and not the kernel-rt-trace package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

The Linux kernel 4.15 has a Buffer Overflow via an SNDRV_SEQ_IOCTL_SET_CLIENT_POOL ioctl write operation to /dev/snd/seq by a local user.

References