Use of Uninitialized Resource Affecting bpftool package, versions <0:4.18.0-240.el8


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.05% (22nd percentile)

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  • Snyk IDSNYK-RHEL8-BPFTOOL-3847004
  • published26 Jul 2021
  • disclosed1 May 2020

Introduced: 1 May 2020

CVE-2020-10732  (opens in a new tab)
CWE-908  (opens in a new tab)

How to fix?

Upgrade RHEL:8 bpftool to version 0:4.18.0-240.el8 or higher.
This issue was patched in RHSA-2020:4431.

NVD Description

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

A flaw was found in the Linux kernel's implementation of Userspace core dumps. This flaw allows an attacker with a local account to crash a trivial program and exfiltrate private kernel data.

CVSS Scores

version 3.1