Debian LTS kernel multiple vulnerabilities privilege escalation
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Multiple Linux kernel flaws in Debian 12 allow privilege escalation, data disclosure, and denial of service; patch to 6.12.107-1~deb12u1.
CERT-FR has published a security advisory covering multiple vulnerabilities discovered in the Linux kernel shipped with Debian 12 (bookworm). The advisory identifies at least 40 distinct CVEs affecting kernel versions prior to 6.12.107-1~deb12u1. These flaws span multiple impact categories: privilege escalation, allowing local attackers to gain elevated access; confidentiality violations, exposing sensitive kernel data; and denial-of-service conditions. The vulnerabilities reside in core kernel subsystems and can be exploited by local threat actors or authenticated users. Debian LTS has issued patches bundled in the kernel security update. Administrators operating Debian 12 systems must apply the update immediately to mitigate these flaws.
Mentioned in this report
Source reporting: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-1232
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