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Alerts This Week
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Debian 11 Bullseye DLA-4664-1 Linux Critical Privilege Escalation

debian lts
Calendar Grey July 3, 2026
Dist Debian Esm H88
Debian LTS DLA-4664-1 fixes critical security flaws in Linux kernel including privilege escalation and denial of service.
Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks
Topics%20covered

Topics Covered

security advisory denial of service information leak critical privilege escalation deblts

Summary

For Debian 11 bullseye, these problems have been fixed in version
5.10.259-1. This version additionally includes many more bug fixes
from stable updates 5.10.258 and 5.10.259.

We recommend that you upgrade your linux packages.

For the detailed security status of linux please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/linux

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS



Severity
critical
Lowest
Low
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Critical

Package: linux
Version: 5.10.259-1
CVE ID: CVE-2021-47188 CVE-2021-47211 CVE-2022-48703 CVE-2022-49135
Debian Bug: 1130365 1119093

Topics%20covered

Topics Covered

security advisory denial of service information leak critical privilege escalation deblts

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