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Alerts This Week
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Debian 11: DLA-4327-1 linux Critical Priv Escalation Denial of Service

debian lts
Calendar Grey October 13, 2025
Dist Debian Esm H88
Multiple vulnerabilities in the Linux kernel fixed in Debian's latest security update to prevent escalation, leaks, and more.
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 debian privilege escalation

Summary

For Debian 11 bullseye, these problems have been fixed in version
5.10.244-1. Starting with this version, the hyperv-daemons package is
also provided on arm64, and modules are signed with an ephemeral key
on all architectures. This version additionally includes many more
bug fixes from stable updates 5.10.238-5.10.244.

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/source-package/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
Medium
High
Critical

Package: linux
Version: 5.10.244-1
CVE ID: CVE-2021-46987 CVE-2021-47037 CVE-2021-47070 CVE-2021-47076
Debian Bug: 1040901 1109891

Topics%20covered

Topics Covered

security advisory denial of service information leak critical debian privilege escalation

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