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

Severity

 Recommended
high

Based on Red Hat Enterprise Linux security rating

    Threat Intelligence

    EPSS
    0.06% (30th percentile)

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  • Snyk ID SNYK-RHEL7-KERNELRT-7970655
  • published 14 Sep 2024
  • disclosed 30 Jul 2018
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Introduced: 30 Jul 2018

CVE-2018-14625 Open this link in a new tab
CWE-362 Open this link in a new tab

How to fix?

Upgrade RHEL:7 kernel-rt to version 0:3.10.0-1062.rt56.1022.el7 or higher.
This issue was patched in RHSA-2019:2043.

NVD Description

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