Use After Free Affecting kfreebsd-10 package, versions *


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.22% (13th percentile)

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  • Snyk IDSNYK-DEBIAN10-KFREEBSD10-1244036
  • published8 Apr 2021
  • disclosed26 Mar 2021

Introduced: 26 Mar 2021

CVE-2020-7462  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

There is no fixed version for Debian:10 kfreebsd-10.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kfreebsd-10 package and not the kfreebsd-10 package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

In 11.4-PRERELEASE before r360733 and 11.3-RELEASE before p13, improper mbuf handling in the kernel causes a use-after-free bug by sending IPv6 Hop-by-Hop options over the loopback interface. The use-after-free situation may result in unintended kernel behaviour including a kernel panic.

CVSS Base Scores

version 3.1