Out-of-bounds Write Affecting kernel-debug package, versions <0:3.10.0-1160.24.1.el7


Severity

Recommended
0.0
high
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.09% (41st percentile)

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  • Snyk IDSNYK-ORACLE7-KERNELDEBUG-2580411
  • published10 Apr 2022
  • disclosed7 Mar 2021

Introduced: 7 Mar 2021

CVE-2021-27365  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Oracle:7 kernel-debug to version 0:3.10.0-1160.24.1.el7 or higher.
This issue was patched in ELSA-2021-1071.

NVD Description

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