[NEW] [high] Linux Kernel: Multiple vulnerabilities
An attacker can exploit multiple vulnerabilities in the Linux Kernel to conduct an unspecified attack, including potentially arbitrary code execution, privilege escalation, information disclosure, data manipulation, or denial-of-service conditions.
CSIRTS triage
- What
- Multiple vulnerabilities in the Linux Kernel enable arbitrary code execution, privilege escalation, information disclosure, and denial of service.
- Who is affected
- All Linux systems running vulnerable kernel versions are affected depending on the specific vulnerability.
- Urgency
- High priority; kernel vulnerabilities enable privilege escalation and RCE affecting all deployed Linux infrastructure.
- Action
- Apply kernel security patches and reboot systems to the latest patched kernel version.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-3042
Referenced CVEs
+12 more CVEs referenced in this advisory.
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- unknownDSA-6477-1 linux - security updatedebian
- criticalCVE-2026-80557: In the Linux kernel, the following vulnerability has been resolved: libceph: fix OOB read in d…nvd
- highCVE-2026-80556: In the Linux kernel, the following vulnerability has been resolved: mmc: atmel-mci: Fix use-af…nvd
- highCVE-2026-80555: In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Free all me…nvd
- criticalCVE-2026-80554: In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Limit the n…nvd
- highCVE-2026-80553: In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Cancel exis…nvd
- highCVE-2026-80552: In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Ensure inde…nvd
- criticalCVE-2026-80551: In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Ensure firs…nvd
- highCVE-2026-80550: In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Fix out of …nvd
- highCVE-2026-80549: In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Move cp cle…nvd
- highCVE-2026-80548: In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Selectively…nvd
- highCVE-2026-80547: In the Linux kernel, the following vulnerability has been resolved: s390/vfio_ccw: Implement a…nvd
Recent advisories for Linux Kernel
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilitiescert-bund · 2026-09-03
- medium[NEW] [medium] Linux Kernel: Multiple vulnerabilitiescert-bund · 2026-09-03
- high[UPDATE] [high] Linux Kernel: Multiple Vulnerabilitiescert-bund · 2026-09-03
- high[UPDATE] [high] Linux Kernel: Multiple Vulnerabilitiescert-bund · 2026-09-03
- medium[UPDATE] [medium] Linux Kernel: Multiple Vulnerabilitiescert-bund · 2026-09-03
- medium[NEW] [medium] Linux Kernel: Vulnerability enables disclosure of informationcert-bund · 2026-09-03
More from CERT-Bund (BSI) Security Advisories
- high[NEW] [high] IBM i: Multiple Vulnerabilities2026-09-03
- medium[NEW] [medium] Sonatype Nexus Repository Manager: Multiple Vulnerabilities Enable Denial of Service2026-09-03
- high[NEW] [high] BigBlueButton: Multiple Vulnerabilities2026-09-03
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities2026-09-03
- medium[NEW] [medium] Red Hat Enterprise Linux (libsolv, aardvark-dns): Multiple vulnerabilities2026-09-03