Critical Vulnerability in Linux Package: CVE-2026-64448
Summary
DEBIAN-CVE-2026-64448: ... Affects linux versions 5.10.103-1 – 7.2~rc3-1~exp1. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
Background
The Linux package is a core component of the Debian operating system, providing essential functionalities for system operations and hardware management. It is widely used across various distributions, including Debian 11 (Bullseye), Debian 12 (Bookworm), Debian 13 (Trixie), and Debian 14 (Forky). The package is known for its stability and performance, but it is susceptible to vulnerabilities that can compromise system security.
Vulnerability Detail
CVE-2026-64448 is a critical vulnerability affecting the Linux package across multiple Debian distributions. This vulnerability originates from a flaw in the kernel that could allow an attacker to gain elevated privileges, potentially leading to unauthorized access and control over the system. The ramifications of this vulnerability are severe, as it could enable malicious actors to execute arbitrary code, access sensitive data, or disrupt system operations.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
As a temporary workaround, users can limit access to the affected systems and monitor for any unusual activities. Additionally, implementing strict user permissions can help mitigate the risk until the package is updated.
Conclusion
CVE-2026-64448 poses a significant risk to users of the Linux package across multiple Debian distributions. It is crucial to update to the patched version to safeguard against potential exploits. Users should remain vigilant and consider using tools like Vulert for ongoing monitoring of vulnerabilities.
See every vulnerability recorded for linux →
FAQ
CVE-2026-64448 is a critical vulnerability in the Linux package that allows attackers to gain elevated privileges.
Debian 11 (Bullseye), Debian 12 (Bookworm), Debian 13 (Trixie), and Debian 14 (Forky) are all affected by this vulnerability.
You can use Vulert to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected without any signup.
Update your Linux package to the latest patched version and implement strict user permissions as a temporary measure.
Yes, a patched version (6.12.96-1) is available for Debian 13 (Trixie). Users should update their packages to this version.
References
Related vulnerabilities
Recent vulnerabilities recorded for linux.
Habilume
Habit tracker with a companion that grows with you
Complete habits, earn Lume Points, and watch your Lume grow as you stay consistent.
