Use After Free Affecting kfreebsd-10 package, versions *


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.34% (26th percentile)

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  • Snyk IDSNYK-DEBIAN10-KFREEBSD10-1244580
  • published9 Apr 2021
  • disclosed7 Apr 2021

Introduced: 7 Apr 2021

CVE-2021-29626  (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 FreeBSD 13.0-STABLE before n245117, 12.2-STABLE before r369551, 11.4-STABLE before r369559, 13.0-RC5 before p1, 12.2-RELEASE before p6, and 11.4-RELEASE before p9, copy-on-write logic failed to invalidate shared memory page mappings between multiple processes allowing an unprivileged process to maintain a mapping after it is freed, allowing the process to read private data belonging to other processes or the kernel.

CVSS Base Scores

version 3.1