HIGH 7.0 Microsoft
CVE-2026-43037
ip6_tunnel: clear skb2->cb[] in ip4ip6_err()
Microsoft Security Update 2026-May: ip6_tunnel: clear skb2->cb[] in ip4ip6_err()
Affected Products
- cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43037
- https://nvd.nist.gov/vuln/detail/CVE-2026-43037
This high severity vulnerability with a CVSS score of 7.0 was published on 2026-05-12 via Microsoft. Affected: cbl2 kernel 5.15.202.1-1 on CBL Mariner 2.0.
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