CVE-2026-63800
An attacker can exploit multiple vulnerabilities in the Linux Kernel to carry out an unspecified attack, potentially bypassing security measures, causing a denial-of-service state, or disclosing confidential information.
CSIRTS triage
- What
- An attacker can exploit multiple vulnerabilities in the Linux Kernel to carry out an unspecified attack, potentially bypassing security measures, causing a denial-of-service state, or disclosing confidential information.
- Who is affected
- Deployments of the Linux Kernel are affected.
- Urgency
- Remediation is medium due to the unspecified nature of the attacks and potential impact.
- Action
- Update the Linux Kernel to the latest version.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.50% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 40% of all EPSS-scored CVEs.
Advisory coverage (4)
- medium[NEW] [medium] Linux Kernel: Multiple vulnerabilities allow unspecified attackcert-bund · 2026-07-31
- unknownMultiples vulnérabilités dans le noyau Linux de Debian LTS (31 juillet 2026)cert-fr-avis · 2026-07-31
- criticalCVE-2026-63800: In the Linux kernel, the following vulnerability has been resolved: pNFS: Fix use-after-free i…nvd · 2026-07-19
- criticalCVE-2026-63800: pNFS: Fix use-after-free in pnfs_update_layout()msrc · 2026-07-14
External references
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