CVE-2026-23401
CVE-2026-23401: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityHigh8.1
High [CVE-2026-23401] Linux kernel KVM: Privilege escalation or denial of service due to improper shadow page table entry handling
CVE-2026-23401Source published
Linux kernel KVM: Privilege escalation or denial of service due to improper shadow page table entry handling. Red Hat rates this important (CVSS 8.1). Weakness: CWE-416. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:13936 — update the affected packages (`sudo dnf update`).
- Affected products in this advisory
- Red Hat Enterprise Linux 10.0 Extended Update Support
- Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
- Red Hat Enterprise Linux 8.6 Telecommunications Update Service
- Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
6 more entries in the full advisory.
- Source-reported affected versions
- kernel-0:4.18.0-553.123.1.el8_10
- kernel-0:5.14.0-284.172.1.el9_2
- kernel-0:6.12.0-55.72.1.el10_0
- kernel-rt-0:5.14.0-70.178.1.rt21.250.el9_0
8 more entries in the full advisory.
- Source-reported fixed versions
- RHSA-2026:13936
- Mitigation guidance
- Update the affected package(s) to the fixed version shipped in RHSA-2026:13936 (`sudo dnf update` / `yum update`).
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