CVE-2026-40164
A remote, anonymous attacker can exploit multiple vulnerabilities in Red Hat Hardened Images RPMs to bypass security measures, cause a Denial-of-Service condition, disclose confidential information, or conduct unspecified attacks, including potential code execution.
CSIRTS triage
- What
- Multiple vulnerabilities exist in the Linux kernel.
- Who is affected
- All deployments of the Linux kernel are affected.
- Urgency
- Remediation is urgent due to active exploitation.
- Action
- Apply the latest kernel patches.
AI-assisted analysis generated from the source advisory — verify against the original.
⚡ Watch CVE-2026-40164
Get an email if CVE-2026-40164 is added to CISA KEV, gains public exploit code, or a new advisory cites it — max one per day, one-click unsubscribe.
Exploitation outlook
- Low exploitation risk0.37% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 29% of all EPSS-scored CVEs.
Advisory coverage (5)
- unknownMultiple vulnerabilities in Red Hat Linux kernel (July 10, 2026)cert-fr-avis · 2026-07-10
- high[UPDATE] [high] Red Hat Hardened Images RPMs (jq and pyOpenSSL): Multiple vulnerabilitiescert-bund · 2026-07-09
- unknownMultiple vulnerabilities in Red Hat Linux kernel (July 3, 2026)cert-fr-avis · 2026-07-03
- unknownRedHat Linux Kernel Multiple Vulnerabilitieshkcert · 2026-07-02
- unknownMultiple vulnerabilities in the Red Hat Linux kernel (June 26, 2026)cert-fr-avis · 2026-06-26
External references
Embed the live status
— this badge updates automatically when the KEV or exploit status changes. How to embed it →
[](https://www.csirts.com/cve/CVE-2026-40164)