Out-of-Bounds Affecting kernel-doc package, versions <0:4.18.0-80.11.1.el8_0


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (25th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELDOC-3444578
  • published26 Jul 2021
  • disclosed24 Jun 2019

Introduced: 24 Jun 2019

CVE-2019-12817  (opens in a new tab)
CWE-119  (opens in a new tab)
CWE-125  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-doc to version 0:4.18.0-80.11.1.el8_0 or higher.
This issue was patched in RHSA-2019:2703.

NVD Description

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

arch/powerpc/mm/mmu_context_book3s64.c in the Linux kernel before 5.1.15 for powerpc has a bug where unrelated processes may be able to read/write to one another's virtual memory under certain conditions via an mmap above 512 TB. Only a subset of powerpc systems are affected.

CVSS Scores

version 3.1