CVE-2026-23421
An attacker can exploit multiple vulnerabilities in the Linux Kernel to perform, among other things, a denial of service attack or to bypass security mechanisms.
CSIRTS triage
- What
- An attacker can exploit multiple vulnerabilities in the Linux Kernel to perform, among other things, a denial of service attack or to bypass security mechanisms.
- Who is affected
- Deployments of the Linux Kernel are affected.
- Urgency
- Remediation is medium urgency due to the potential for denial of service and security bypass.
- Action
- Update to the latest version of the Linux Kernel.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.11% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 2% of all EPSS-scored CVEs.
Advisory coverage (1)
- medium[UPDATE] [medium] Linux Kernel: Multiple Vulnerabilitiescert-bund · 2026-07-10
External references
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