CVE-2026-64337
Multiple vulnerabilities have been discovered in Debian LTS Linux kernel. They allow an attacker to cause privilege escalation, breach of data confidentiality and denial of service.
CSIRTS triage
- What
- Multiple LTS kernel vulnerabilities allow privilege escalation, data confidentiality breaches, and denial of service.
- Who is affected
- Systems running affected Debian LTS Linux kernel versions, including long-term support deployments.
- Urgency
- High; affects stable/LTS systems relied upon for production stability.
- Action
- Apply Debian LTS kernel security updates; coordinate with operational windows for systems dependent on stability.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.21% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 11% of all EPSS-scored CVEs.
Advisory coverage (3)
- unknownMultiple vulnerabilities in Debian LTS Linux kernel (August 07, 2026)cert-fr-avis · 2026-08-07
- highCVE-2026-64337: usb: mtu3: unmap request DMA on queue failuremsrc · 2026-08-06
- unknownCVE-2026-64337: In the Linux kernel, the following vulnerability has been resolved: usb: mtu3: unmap request D…nvd · 2026-07-25
External references
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