# Debian Linux kernel multiple vulnerabilities privilege escalation

Published: 2026-08-07 · Severity: routine
Canonical: https://vorant.io/reports/861486bb-e404-56a7-a9d2-36ba04d0d2a2/debian-linux-kernel-multiple-vulnerabilities-privilege-escalation
Vorant's rating weighs the evidence in the report: confirmed exploitation, victims claimed, CVSS and EPSS, and how many sources agree. It rates the report, not your assets.

> Multiple Linux kernel vulnerabilities in Debian 11 and 12 allow privilege escalation, data confidentiality breaches, and denial of service.

Source: cert.ssi.gouv.fr — https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0982

## What to check

- Applies to: The 40 CVEs named below. Whether you run an affected version is not assessed: check the versions the source lists.
- Exploitation: No exploitation in the wild and no public exploit is recorded for the CVEs named.

CERT-FR has published an advisory documenting multiple vulnerabilities in the Linux kernel of Debian LTS systems. The affected versions are Debian 11 (bullseye) prior to kernel version 5.10.262-1 and Debian 12 (bookworm) prior to kernel version 6.1.180-1. These vulnerabilities span multiple impact categories including privilege escalation, confidentiality breaches, and denial of service. The advisory references over 200 CVE identifiers covering various kernel subsystem issues discovered over an extended period. Defenders running Debian LTS systems must apply kernel updates to patched versions to remediate these issues. The article provides references to Debian LTS security bulletins for obtaining and applying patches.

## Mentioned in this report

- Vulnerabilities: CVE-2022-49803, CVE-2022-50114, CVE-2023-52494, CVE-2024-36013, CVE-2025-23131, CVE-2025-39931, CVE-2025-40196, CVE-2026-23204, CVE-2026-31451, CVE-2026-31610, CVE-2026-31755, CVE-2026-43216, CVE-2026-43219, CVE-2026-43499, CVE-2026-46116, CVE-2026-46135, CVE-2026-46252, CVE-2026-46331, CVE-2026-52942, CVE-2026-53138, CVE-2026-53157, CVE-2026-53158, CVE-2026-53159, CVE-2026-53167, CVE-2026-53177, CVE-2026-53325, CVE-2026-53329, CVE-2026-53332, CVE-2026-53381, CVE-2026-53382, CVE-2026-53385, CVE-2026-53392, CVE-2026-53393, CVE-2026-53397, CVE-2026-53398, CVE-2026-53399, CVE-2026-53400, CVE-2026-53402, CVE-2026-53403, CVE-2026-63794

Source reporting: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0982

---

This is the free public brief from Vorant Threat Intelligence. When citing, attribute "Vorant" and link https://vorant.io/reports/861486bb-e404-56a7-a9d2-36ba04d0d2a2/debian-linux-kernel-multiple-vulnerabilities-privilege-escalation.
In the app the same report carries live profiles of the CVEs it names. The paid plans add the security research and news reporting the free tier leaves out. Slack alerts on the vendors, sectors and countries a reader follows come with the paid plans too. A new account starts with a three-day trial, no card: https://vorant.io/signup