{"id":"CVE-2026-80714","title":"ipvs: do not propagate one-packet flag to synced conns","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nipvs: do not propagate one-packet flag to synced conns\n\nSynced connections can be created before their destination exists. When\nthe destination is later added, ip_vs_bi…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= 26ec037f9841e49cc5c615deb8e1e73e5beab2ca < 06d1d9b56ef8132fbf85006885eb43d9510b8b02","Linux >= 26ec037f9841e49cc5c615deb8e1e73e5beab2ca < acbdc276091b308ca7794acb86e761f8203e2f59","Linux >= 26ec037f9841e49cc5c615deb8e1e73e5beab2ca < 300348e3ba1521b003d59825f97e24f9a6859688","Linux >= 26ec037f9841e49cc5c615deb8e1e73e5beab2ca < 44af98cc7d5ef8e730488d5df1eecd5deeaa5947","Linux >= 26ec037f9841e49cc5c615deb8e1e73e5beab2ca < 4649e6faeecdc2d44bfa6ccbe405eef27e55d816","Linux >= 26ec037f9841e49cc5c615deb8e1e73e5beab2ca < b5ee5b266f833601ac4817f6df0bc496fc376a28","Linux >= 26ec037f9841e49cc5c615deb8e1e73e5beab2ca < e7acfc990c29890c883d0d0ce3f737d003a43b44","Linux >= 26ec037f9841e49cc5c615deb8e1e73e5beab2ca < a63d2dbaeb50a85d4c976b15a36e6b0c7113db5b","Linux 2.6.36"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-16T19:20:40.726937Z"},"published":"2026-08-28","updated":"2026-10-16","sourceUpdated":"2026-10-16T19:26:34.808Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-80714","references":[{"url":"https://git.kernel.org/stable/c/06d1d9b56ef8132fbf85006885eb43d9510b8b02"},{"url":"https://git.kernel.org/stable/c/acbdc276091b308ca7794acb86e761f8203e2f59"},{"url":"https://git.kernel.org/stable/c/300348e3ba1521b003d59825f97e24f9a6859688"},{"url":"https://git.kernel.org/stable/c/44af98cc7d5ef8e730488d5df1eecd5deeaa5947"},{"url":"https://git.kernel.org/stable/c/4649e6faeecdc2d44bfa6ccbe405eef27e55d816"},{"url":"https://git.kernel.org/stable/c/b5ee5b266f833601ac4817f6df0bc496fc376a28"},{"url":"https://git.kernel.org/stable/c/e7acfc990c29890c883d0d0ce3f737d003a43b44"},{"url":"https://git.kernel.org/stable/c/a63d2dbaeb50a85d4c976b15a36e6b0c7113db5b"}],"tags":["cve.org"],"epss":0.00479,"epssPercentile":0.3992,"ingestedAt":"2026-10-16T19:46:24.305Z","slug":"CVE-2026-80714","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nipvs: do not propagate one-packet flag to synced conns\n\nSynced connections can be created before their destination exists. When\nthe destination is later added, ip_vs_bind_dest() copies connection flags\nfrom the destination into cp->flags.\n\nIP_VS_CONN_F_ONE_PACKET connections are not synced. If a synced\nconnection inherits IP_VS_CONN_F_ONE_PACKET while it is already hashed,\nexpiry can treat it as a one-packet connection and skip unlinking the\nexisting conn_tab node, leaving stale hash nodes pointing at a freed\nstruct ip_vs_conn.\n\nDrop IP_VS_CONN_F_ONE_PACKET from destination flags when binding synced\nconnections.\n\n## Affected\n\n- `Linux >= 26ec037f9841e49cc5c615deb8e1e73e5beab2ca < 06d1d9b56ef8132fbf85006885eb43d9510b8b02`\n- `Linux >= 26ec037f9841e49cc5c615deb8e1e73e5beab2ca < acbdc276091b308ca7794acb86e761f8203e2f59`\n- `Linux >= 26ec037f9841e49cc5c615deb8e1e73e5beab2ca < 300348e3ba1521b003d59825f97e24f9a6859688`\n- `Linux >= 26ec037f9841e49cc5c615deb8e1e73e5beab2ca < 44af98cc7d5ef8e730488d5df1eecd5deeaa5947`\n- `Linux >= 26ec037f9841e49cc5c615deb8e1e73e5beab2ca < 4649e6faeecdc2d44bfa6ccbe405eef27e55d816`\n- `Linux >= 26ec037f9841e49cc5c615deb8e1e73e5beab2ca < b5ee5b266f833601ac4817f6df0bc496fc376a28`\n- `Linux >= 26ec037f9841e49cc5c615deb8e1e73e5beab2ca < e7acfc990c29890c883d0d0ce3f737d003a43b44`\n- `Linux >= 26ec037f9841e49cc5c615deb8e1e73e5beab2ca < a63d2dbaeb50a85d4c976b15a36e6b0c7113db5b`\n- `Linux 2.6.36`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}