CVE-2026-64015
De multiples vulnérabilités ont été découvertes dans le noyau Linux de Red Hat. Certaines d'entre elles permettent à un attaquant de provoquer une exécution de code arbitraire, une élévation de privilèges et un déni de service à distance.
CSIRTS triage
- What
- The security keys may miss RCU read section on lookup.
- Who is affected
- Deployments using security keys.
- Urgency
- Remediation is high urgency due to the high severity of the issue.
- Action
- Apply the patch for CVE-2026-64015.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.16% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 6% of all EPSS-scored CVEs.
Advisory coverage (10)
- unknownMultiples vulnérabilités dans le noyau Linux de Red Hat (11 septembre 2026)cert-fr-avis · 2026-09-11
- unknownUSN-8729-1: Linux kernel vulnerabilitiesubuntu · 2026-09-07
- unknownexploitedUSN-8728-1: Linux kernel (GCP) vulnerabilitiesubuntu · 2026-09-07
- unknownUSN-8664-1: Linux kernel (NVIDIA BaseOS) vulnerabilitiesubuntu · 2026-08-20
- unknownUSN-8663-1: Linux kernel (NVIDIA) vulnerabilitiesubuntu · 2026-08-20
- highUSN-8618-1: Linux kernel vulnerabilitiesubuntu · 2026-07-28
- highUSN-8603-1: Linux kernel (Azure) vulnerabilitiesubuntu · 2026-07-24
- highUSN-8593-1: Linux kernel vulnerabilitiesubuntu · 2026-07-23
- highCVE-2026-64015: In the Linux kernel, the following vulnerability has been resolved: security/keys: fix missed …nvd · 2026-07-19
- highCVE-2026-64015: security/keys: fix missed RCU read section on lookupmsrc · 2026-07-14
External references
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[](https://www.csirts.com/cve/CVE-2026-64015)