CVE-2026-99176 - kernel: kernel: Denial of Service via improper MMU reset in KVM nested virtualization
kernel: kernel: Denial of Service via improper MMU reset in KVM nested virtualization
MEDIUM
Severity & confidence
Source severitymedium
Platform severitymedium
Confidencehigh
Exploitationunknown
CVSS6.5
Affected
VendorsRed Hatf5linux
Reporting sources (2)
Red Hat - CVE Feed
NIST NVD - National Vulnerability Database
Timeline & provenance
Published2026-10-28T10:35:30
Last updated2026-10-31T11:07:59
Ingested2026-10-29T12:14:21
FreshnessNEAR-REAL-TIME
Threat typevulnerability
Recommended action
Apply the Red Hat errata / RHSA referenced in the advisory.
Next steps
- Identify affected systems in your environment.
- Apply the vendor patch or mitigation guidance.
- Review logs for indicators described in the advisory.
- Follow the affected vendor/product to track updates.
Confidence explanation
Reported by a government or cert-grade source (CISA, NCSC, NVD, ENISA, MSRC).
Source type: vendor ยท Original: Red Hat - CVE Feed
