CVE-2026-64551
Several vulnerabilities have been discovered in the Linux kernel that may lead to a privilege escalation, denial of service or information leaks. https://security-tracker.debian.org/tracker/DSA-6405-1
CSIRTS triage
- What
- Multiple vulnerabilities in the Linux Kernel can be exploited to corrupt memory, disclose confidential information, manipulate data, or cause a Denial-of-Service condition.
- Who is affected
- Deployments of the Linux Kernel are affected by these vulnerabilities.
- Urgency
- Remediation is medium urgency as the vulnerabilities are serious but not confirmed to be actively exploited.
- Action
- Update to the latest version of the Linux Kernel to mitigate these vulnerabilities.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.52% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 41% of all EPSS-scored CVEs.
Advisory coverage (3)
- unknownDSA-6405-1 linux - security updatedebian · 2026-07-31
- medium[NEW] [medium] Linux Kernel: Multiple vulnerabilitiescert-bund · 2026-07-28
- criticalCVE-2026-64551: In the Linux kernel, the following vulnerability has been resolved: sctp: validate STALE_COOKI…nvd · 2026-07-27
External references
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