Out-of-bounds Write Affecting kernel-uek-doc package, versions <0:5.4.17-2011.3.2.1.el8uek


Severity

Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.07% (34th percentile)

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  • Snyk IDSNYK-ORACLE8-KERNELUEKDOC-2575687
  • published10 Apr 2022
  • disclosed5 May 2020

Introduced: 5 May 2020

CVE-2020-12659  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Oracle:8 kernel-uek-doc to version 0:5.4.17-2011.3.2.1.el8uek or higher.
This issue was patched in ELSA-2020-5714.

NVD Description

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

An issue was discovered in the Linux kernel before 5.6.7. xdp_umem_reg in net/xdp/xdp_umem.c has an out-of-bounds write (by a user with the CAP_NET_ADMIN capability) because of a lack of headroom validation.

CVSS Scores

version 3.1