Out-of-Bounds Affecting kernel-rt-modules package, versions <0:4.18.0-305.17.1.rt7.89.el8_4


Severity

Recommended
medium

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.32% (71st percentile)

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  • Snyk IDSNYK-ROCKY8-KERNELRTMODULES-3287863
  • published3 Feb 2023
  • disclosed8 Aug 2021

Introduced: 8 Aug 2021

CVE-2021-38201  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 kernel-rt-modules to version 0:4.18.0-305.17.1.rt7.89.el8_4 or higher.
This issue was patched in RLSA-2021:3440.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-modules package and not the kernel-rt-modules package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

net/sunrpc/xdr.c in the Linux kernel before 5.13.4 allows remote attackers to cause a denial of service (xdr_set_page_base slab-out-of-bounds access) by performing many NFS 4.2 READ_PLUS operations.

CVSS Scores

version 3.1