Cyber watch · 07/05/2026

Multiple vulnerabilities in the Debian Linux kernel

Multiple vulnerabilities have been discovered in the Debian Linux kernel. Summary of immediate actions for affected organizations.

Multiple vulnerabilities have been discovered in the Debian Linux kernel. Some of these allow an attacker to escalate privileges, compromise data confidentiality, and cause a denial-of-service attack.

Risks

  • Breach of data confidentiality
  • Denial of service
  • Not specified by the publisher
  • Elevation of privileges

Affected systems

  • Debian trixie versions prior to 6.12.85-1
  • Debian trixie versions prior to version 6.1.170-1

Immediate recommendations

Refer to the publisher’s security bulletin to obtain fixes (see Documentation section on this page of the CERT-FR website: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0548/)