Use After Free Affecting bpftool package, versions *


Severity

Recommended
medium

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.28% (20th percentile)

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  • Snyk IDSNYK-RHEL7-BPFTOOL-3146239
  • published23 Nov 2022
  • disclosed5 Apr 2022

Introduced: 5 Apr 2022

CVE-2022-41858  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 bpftool.

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:7 relevant fixed versions and status.

A flaw was found in the Linux kernel. A NULL pointer dereference may occur while a slip driver is in progress to detach in sl_tx_timeout in drivers/net/slip/slip.c. This issue could allow an attacker to crash the system or leak internal kernel information.

CVSS Base Scores

version 3.1