CVE-2026-80875None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: ipvs: use parsed transport offset in TCP state lookup TCP state handling reparses the skb to find the TCP header. For IPv6 it uses sizeof(struct ipv6hdr), while the su…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
In the Linux kernel, the following vulnerability has been resolved:
ipvs: use parsed transport offset in TCP state lookup
TCP state handling reparses the skb to find the TCP header. For IPv6 it uses sizeof(struct ipv6hdr), while the surrounding IPVS code already parsed the packet with ip_vs_fill_iph_skb() and has the real transport-header offset in iph.len.
This makes TCP state handling look at the wrong bytes when an IPv6 packet carries extension headers. Use the parsed transport offset passed down from ip_vs_set_state() when reading the TCP header.
For IPv4 and for IPv6 packets without extension headers, the passed offset matches the previous value.
Linux >= 0bbdd42b7efa66685b6d74701bcde3a596a3a59d < 2d06e0897ce18228d199887f0823b431d841dd03Linux >= 0bbdd42b7efa66685b6d74701bcde3a596a3a59d < 816efb7fc0aeae986e63ac73b428dd97a4ef69f5Linux >= 0bbdd42b7efa66685b6d74701bcde3a596a3a59d < 5848e914b85e360a2dd9d19c00a72e2ea9617dd0Linux >= 0bbdd42b7efa66685b6d74701bcde3a596a3a59d < d45f73c274435703e8d7bc9d8b742a5d9111ab6eLinux >= 0bbdd42b7efa66685b6d74701bcde3a596a3a59d < f6f550f26562d191c30b2818e7925dcb1c7f166cLinux >= 0bbdd42b7efa66685b6d74701bcde3a596a3a59d < d73f4249776dd970ad65a69cfc51613dd8a034bbLinux >= 0bbdd42b7efa66685b6d74701bcde3a596a3a59d < c2ee845e292c278fac75bf28d96bc892607fd5c4Linux >= 0bbdd42b7efa66685b6d74701bcde3a596a3a59d < 2500fa3958b1ba51c2b065e39db1b04dfa7e23a2Linux 2.6.28Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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