Multiple Linux kernel flaws in Debian LTS releases
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Debian LTS kernels contain multiple vulnerabilities allowing privilege escalation, data disclosure, and denial of service.
CERT-FR has published a security advisory covering multiple vulnerabilities discovered in the Linux kernel across Debian LTS and current releases. The affected versions include Debian bookworm (before 6.1.176), bullseye (before 5.10.259 and 6.6.1.176.95-1), and trixie (before 6.12.95-1). These vulnerabilities span a range of impacts including privilege escalation, confidentiality breaches, and denial of service. The advisory references over 200 CVE identifiers dating from 2021 through 2026, indicating a cumulative patching effort addressing kernel subsystem issues. Debian has released kernel updates through their security and LTS announcement channels; administrators running affected versions should apply the published patches immediately.
Mentioned in this report
Source reporting: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0862
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