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Race Condition Affecting kernel-rt-debug-devel package, versions <0:3.10.0-1062.rt56.1022.el7

Severity

 Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.06% (30th percentile)

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  • Snyk IDSNYK-CENTOS7-KERNELRTDEBUGDEVEL-2139071
  • published26 Jul 2021
  • disclosed30 Jul 2018
Report a new vulnerability Found a mistake?

Introduced: 30 Jul 2018

CVE-2018-14625  (opens in a new tab)
CWE-362  (opens in a new tab)

How to fix?

Upgrade Centos:7 kernel-rt-debug-devel to version 0:3.10.0-1062.rt56.1022.el7 or higher.

NVD Description

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

A flaw was found in the Linux Kernel where an attacker may be able to have an uncontrolled read to kernel-memory from within a vm guest. A race condition between connect() and close() function may allow an attacker using the AF_VSOCK protocol to gather a 4 byte information leak or possibly intercept or corrupt AF_VSOCK messages destined to other clients.