Buffer Overflow Affecting kernel-rt-debug-kvm package, versions <0:4.18.0-305.25.1.rt7.97.el8_4


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUGKVM-4106758
  • published26 Jul 2021
  • disclosed7 Jun 2021

Introduced: 7 Jun 2021

CVE-2021-0512  (opens in a new tab)
CWE-120  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-debug-kvm to version 0:4.18.0-305.25.1.rt7.97.el8_4 or higher.
This issue was patched in RHSA-2021:4088.

NVD Description

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

In __hidinput_change_resolution_multipliers of hid-input.c, there is a possible out of bounds write due to a heap buffer overflow. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-173843328References: Upstream kernel

CVSS Scores

version 3.1