CVE-2026-23209
CVE-2026-23209: 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 severityHigh7.0
High [CVE-2026-23209] fix error recovery in macvlan_common_newlink()
CVE-2026-23209Source published
fix error recovery in macvlan_common_newlink(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-825. Affected package(s): kernel-rt, kernel. Resolved in Red Hat advisory RHSA-2026:6954 — update the affected packages (`sudo dnf update`).
- Related products — impact not confirmed
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 1
- kernel-rt
- Source-reported affected versions
- kernel-rt-0:5.14.0-70.173.1.rt21.245.el9_0
- kernel-0:5.14.0-70.173.1.el9_0
- kernel-0:5.14.0-570.103.1.el9_6
- kernel-0:4.18.0-305.188.1.el8_4
8 more entries in the full advisory.
- Source-reported fixed versions
- RHSA-2026:6954
- Mitigation guidance
- Update the affected package(s) to the fixed version shipped in RHSA-2026:6954 (`sudo dnf update` / `yum update`).
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