Execution with Unnecessary Privileges Affecting kernel-rt-debug-modules-extra package, versions <0:4.18.0-240.22.1.rt7.77.el8_3


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.12% (47th percentile)

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  • Snyk IDSNYK-CENTOS8-KERNELRTDEBUGMODULESEXTRA-2092201
  • published26 Jul 2021
  • disclosed5 Mar 2021

Introduced: 5 Mar 2021

CVE-2021-27365  (opens in a new tab)
CWE-250  (opens in a new tab)
CWE-122  (opens in a new tab)

How to fix?

Upgrade Centos:8 kernel-rt-debug-modules-extra to version 0:4.18.0-240.22.1.rt7.77.el8_3 or higher.

NVD Description

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

An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. An unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message.

CVSS Scores

version 3.1