High [CVE-2026-5367] Information disclosure via crafted DHCPv6 packets
This high-severity Red Hat Linux advisory covers CVE-2026-5367 affecting Fast Datapath for Red Hat Enterprise Linux 10, Fast Datapath for Red Hat Enterprise Linux 8, Fast Datapath for Red Hat Enterprise Linux 9.
Android app · Google Play
Monitor future Red Hat Linux CVEs from your phone.
Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.
Summary
Information disclosure via crafted DHCPv6 packets. Red Hat rates this important (CVSS 8.6).
Weakness: CWE-130. Affected package(s): ovn25.03, ovn25.09, ovn, ovn23.09, ovn24.03, ovn23.06.
Resolved in Red Hat advisory RHSA-2026:11702 — update the affected packages (`sudo dnf update`).
Affected products named by the advisory: Fast Datapath for Red Hat Enterprise Linux 10; Fast Datapath for Red Hat Enterprise Linux 8; Fast Datapath for Red Hat Enterprise Linux 9; Fast Datapath for RHEL 8; and 2 more.
- ovn25.03-0:25.03.2-100.el9fdp
- ovn25.09-0:25.09.2-103.el10fdp
- ovn-2021-0:21.12.0-145.el8fdp
- ovn25.09-0:25.09.2-103.el9fdp
- ovn23.09-0:23.09.6-16.el9fdp
- ovn25.03-0:25.03.2-100.el10fdp
- ovn24.03-0:24.03.7-82.el9fdp
- ovn23.06-0:23.06.4-30.el8fdp
- ovn23.06-0:23.06.4-30.el9fdp
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
- RHSA-2026:11702
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation checklist
- Update the affected package(s) to the fixed version shipped in RHSA-2026:11702 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Discussion(0)
No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.
Sign in to join the discussion.