CVE-2026-80556
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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Exploitation outlook
- Low exploitation risk0.13% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.
Advisory coverage (3)
- high[NEW] [high] Linux Kernel: Multiple vulnerabilitiescert-bund · 2026-08-31
- highCVE-2026-80556: In the Linux kernel, the following vulnerability has been resolved: mmc: atmel-mci: Fix use-af…nvd · 2026-08-26
- mediumCVE-2026-80556: mmc: atmel-mci: Fix use-after-free in atmci_remove due to race conditionmsrc · 2026-08-11
External references
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