CVE-2021-45095: Infoleak
Published Dec 16, 2021
·Updated
Last updated 25 April 2025
Other sources
pepsockaccept in net/phonet/pep.c in the Linux kernel through 5.15.8 has a refcount leak.
— Launchpad
Affected Software
5 affected componentsFixes available
Linux Linux kernel<=5.15.8
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Debian Debian Linux=11.0
debian/linux
5.10.223-15.10.234-16.1.129-16.1.135-16.12.25-16.12.27-1
Remediation
Event History
Dec 16, 2021
CVE Published
via MITRE·03:37 AM
Data Sourced
via MITRE·03:37 AM
Description
Jan 12, 2024
Data Sourced
via Launchpad·12:02 AM
Description
May 2, 2025
Data Sourced
via Ubuntu·04:35 AM
RemedyDescriptionSeverityAffected Software
Data Sourced
via Debian·04:35 AM
DescriptionAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2021-45095?
CVE-2021-45095 has a moderate severity rating due to its refcount leak in the Linux kernel.
2
How do I fix CVE-2021-45095?
To fix CVE-2021-45095, upgrade to a Linux kernel version greater than 5.15.8 or apply the relevant patches provided in the Debian package updates.
3
Which Linux kernel versions are affected by CVE-2021-45095?
CVE-2021-45095 affects Linux kernel versions up to and including 5.15.8.
4
Is CVE-2021-45095 present in Debian versions?
Yes, CVE-2021-45095 is present in Debian Linux versions 9.0, 10.0, and 11.0.
5
What are the packages affected by CVE-2021-45095 in Debian?
The affected package for CVE-2021-45095 in Debian is the 'linux' package, specifically versions prior to the fixed versions listed in Debian's updates.