Out-of-bounds Write Affecting kernel-headers package, versions <0:4.18.0-240.el8


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.07% (34th percentile)

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  • Snyk IDSNYK-CENTOS8-KERNELHEADERS-2053273
  • published26 Jul 2021
  • 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 Centos:8 kernel-headers to version 0:4.18.0-240.el8 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-headers package and not the kernel-headers 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 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