High7.5Vendor: MediumRed Hat & Ubuntu Linux
BUG() in pskb_expand_head() as part of calipso_skbuff_setattr()
CVE-2025-71085 Published Jan 13, 2026
CVE-2025-71085
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
BUG() in pskb_expand_head() as part of calipso_skbuff_setattr(). Red Hat rates this moderate (CVSS 7.5). Weakness: CWE-190. Affected package(s): kernel, kernel-rt. Resolved in Red Hat advisory RHSA-2026:5727 — update the affected packages (`sudo dnf update`).
Affected versions
- kernel-0:6.12.0-55.65.1.el10_0
- kernel-rt-0:4.18.0-553.111.1.rt7.452.el8_10
- kernel-0:4.18.0-553.111.1.el8_10
- kernel-0:5.14.0-427.114.1.el9_4
- kernel-0:5.14.0-570.98.1.el9_6
- kernel-0:6.12.0-124.43.1.el10_1
- kernel-0:4.18.0-305.188.1.el8_4
- kernel-0:4.18.0-193.190.1.el8_2
- kernel-0:4.18.0-477.133.1.el8_8
- kernel-rt-0:5.14.0-70.171.1.rt21.243.el9_0
- kernel-0:5.14.0-284.161.1.el9_2
- kernel-0:4.18.0-372.185.1.el8_6
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
Fixed versions
- RHSA-2026:5727
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:5727 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 4 hours ago·verify at source
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