Critical Vulnerability in Linux Package Affecting Debian Versions 11 to 14

linux Updated 22 Oct 2026

Summary

30/11/-0001
N/A
No i
Unrated
Not published

DEBIAN-CVE-2026-23296: ... Affects linux versions 5.10.103-1 – 6.9.9-1. No fix is published. How to fix ↓

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Background

The Linux package is a core component of the Debian operating system, providing the essential kernel that enables the system to interact with hardware and manage system resources. It is widely used across various distributions and is known for its stability and performance. However, recent vulnerabilities have raised concerns regarding its security, particularly affecting multiple Debian versions.

Vulnerability Detail

CVE-2026-23296 is a critical vulnerability identified in the Linux package that affects Debian versions 11, 12, 13, and 14. This vulnerability allows unauthorized access to system resources, potentially leading to privilege escalation and unauthorized data access. The issue originates from improper handling of certain system calls, which can be exploited by malicious actors to gain elevated privileges on affected systems.

How To Fix

No fixed version is published for this vulnerability.

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Workaround

As a temporary workaround, users can restrict access to sensitive system calls or limit user permissions until the package is updated. However, this is not a permanent solution and should only be used until the patch is applied.

Conclusion

CVE-2026-23296 poses a significant risk to users of the Linux package across multiple Debian versions. It is crucial for users to update their systems to the patched version to mitigate potential threats. Temporary workarounds can be employed, but they should not replace the need for a proper update.

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FAQ

CVE-2026-23296 is a critical vulnerability in the Linux package affecting multiple Debian versions, allowing unauthorized access and privilege escalation.

Debian versions 11, 12, 13, and 14 are affected by this vulnerability.

You can use Vulert, which monitors and alerts for open-source vulnerabilities in your software. You can check your application against this vulnerability using the Vulert playground without any signup.

If immediate updates are not possible, consider implementing temporary workarounds such as restricting access to sensitive system calls.

More information can be found in the official Debian security advisories and the CVE database.

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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 →

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