High7.0Red Hat & Ubuntu Linux
propagate shared-frag marker through frag-transfer helpers
CVE-2026-43503 Published May 23, 2026
CVE-2026-43503
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
propagate shared-frag marker through frag-transfer helpers. Red Hat rates this important (CVSS 7). Weakness: CWE-664. Affected package(s): rhcos, kernel-rt, kernel, kpatch-patch. Resolved in Red Hat advisory RHSA-2026:23470 — update the affected packages (`sudo dnf update`).
Affected versions
- rhcos-412.86.202605271418-0
- kernel-rt-0:5.14.0-70.180.1.rt21.252.el9_0
- kernel-0:5.14.0-687.10.1.el9_8
- kernel-0:5.14.0-570.116.1.el9_6
- rhcos-4.21.9.6.202606030721-0
- rhcos-4.19.9.6.202606031700-0
- kernel-0:6.12.0-211.8.el10nv
- kernel-rt-0:5.14.0-284.172.1.rt14.457.el9_2
- kernel-0:4.18.0-477.143.1.el8_8
- kernel-0:6.12.0-231.12.el10nv
- kernel-0:5.14.0-70.180.1.el9_0
- kernel-0:5.14.0-284.172.1.el9_2
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
Fixed versions
- RHSA-2026:23470
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:23470 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
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