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

Severity

 Recommended
high

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-CENTOS7-KERNELRT-2111717
  • published26 Jul 2021
  • disclosed15 Mar 2018
Report a new vulnerability Found a mistake?

Introduced: 15 Mar 2018

CVE-2018-18690  (opens in a new tab)
CWE-391  (opens in a new tab)

How to fix?

Upgrade Centos:7 kernel-rt 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 package and not the kernel-rt package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

In the Linux kernel before 4.17, a local attacker able to set attributes on an xfs filesystem could make this filesystem non-operational until the next mount by triggering an unchecked error condition during an xfs attribute change, because xfs_attr_shortform_addname in fs/xfs/libxfs/xfs_attr.c mishandles ATTR_REPLACE operations with conversion of an attr from short to long form.

References