Out-of-bounds Write Affecting kernel-default-man package, versions <4.12.14-197.45.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.07% (34th percentile)

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  • Snyk IDSNYK-SLES151-KERNELDEFAULTMAN-3254316
  • published14 Apr 2022
  • disclosed10 Jun 2020

Introduced: 10 Jun 2020

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

How to fix?

Upgrade SLES:15.1 kernel-default-man to version 4.12.14-197.45.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-default-man package and not the kernel-default-man package as distributed by SLES. See How to fix? for SLES:15.1 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