Execution with Unnecessary Privileges Affecting kernel-kdump package, versions <0:3.10.0-1160.24.1.el7


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.09% (41st percentile)

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  • Snyk IDSNYK-CENTOS7-KERNELKDUMP-2182268
  • 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:7 kernel-kdump to version 0:3.10.0-1160.24.1.el7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-kdump package and not the kernel-kdump package as distributed by Centos. See How to fix? for Centos:7 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