Race Condition Affecting kernel-rt-kvm package, versions <0:3.10.0-957.rt56.910.el7


Severity

Recommended
high

Based on CentOS security rating.

Threat Intelligence

Exploit Maturity
Mature
EPSS
0.08% (38th percentile)

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  • Snyk IDSNYK-CENTOS7-KERNELRTKVM-2110331
  • published26 Jul 2021
  • disclosed10 Feb 2017

Introduced: 10 Feb 2017

CVE-2017-10661  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Centos:7 kernel-rt-kvm to version 0:3.10.0-957.rt56.910.el7 or higher.

NVD Description

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

Race condition in fs/timerfd.c in the Linux kernel before 4.10.15 allows local users to gain privileges or cause a denial of service (list corruption or use-after-free) via simultaneous file-descriptor operations that leverage improper might_cancel queueing.

CVSS Scores

version 3.1