{"id":"CVE-2026-80714","title":"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","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","cwe":["CWE-825"],"vendor":"Red Hat","product":"Red Hat Enterprise Linux BaseOS (v. 10)","affected":["enterprise_linux 7","enterprise_linux 9","enterprise_linux_appstream_v_10","enterprise_linux_appstream_v_9","enterprise_linux_baseos_v_10","enterprise_linux_baseos_v_8","enterprise_linux_baseos_v_9","enterprise_linux_codeready_linux_builder_v_10","enterprise_linux_crb_v_8","enterprise_linux_codeready_linux_builder_v_9","enterprise_linux_real_time_for_nfv_v_10","enterprise_linux_nfv_v_8","enterprise_linux_real_time_for_nfv_v_9","enterprise_linux_real_time_v_10","enterprise_linux_rt_v_8","enterprise_linux_real_time_v_9"],"patched":["enterprise_linux_appstream_v_10","enterprise_linux_appstream_v_9","enterprise_linux_baseos_v_10","enterprise_linux_baseos_v_8","enterprise_linux_baseos_v_9","enterprise_linux_codeready_linux_builder_v_10","enterprise_linux_crb_v_8","enterprise_linux_codeready_linux_builder_v_9","enterprise_linux_real_time_for_nfv_v_10","enterprise_linux_nfv_v_8","enterprise_linux_real_time_for_nfv_v_9","enterprise_linux_real_time_v_10","enterprise_linux_rt_v_8","enterprise_linux_real_time_v_9"],"published":"2026-08-28","updated":"2026-10-16","sourceUpdated":"2026-10-16T20:18:08.073","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-80714","references":[{"url":"https://git.kernel.org/stable/c/06d1d9b56ef8132fbf85006885eb43d9510b8b02","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/300348e3ba1521b003d59825f97e24f9a6859688","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/44af98cc7d5ef8e730488d5df1eecd5deeaa5947","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/4649e6faeecdc2d44bfa6ccbe405eef27e55d816","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a63d2dbaeb50a85d4c976b15a36e6b0c7113db5b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/acbdc276091b308ca7794acb86e761f8203e2f59","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b5ee5b266f833601ac4817f6df0bc496fc376a28","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/e7acfc990c29890c883d0d0ce3f737d003a43b44","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80714.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-80714"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2525436"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-80714"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80714"},{"url":"https://lore.kernel.org/linux-cve-announce/2026082809-CVE-2026-80714-799a@gregkh/T"},{"url":"https://access.redhat.com/errata/RHSA-2026:71602"},{"url":"https://access.redhat.com/errata/RHSA-2026:71700"},{"url":"https://access.redhat.com/errata/RHSA-2026:71329"},{"url":"https://access.redhat.com/errata/RHSA-2026:71330"}],"tags":["nvd","csaf","vex","red-hat","cve.org","score-dispute"],"epss":0.00479,"epssPercentile":0.41148,"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-16T19:20:40.726937Z"},"scores":{"nvd":9.8,"vendor":7.8,"cna":9.8},"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## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **RHSA-2026:71602** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 10), Red Hat Enterprise Linux BaseOS (v. 10), Red Hat Enterprise Linux CodeReady Linux Builder (v. 10), Red Hat Enterprise Linux Real Time for NFV (v. 10), Red Hat Enterprise Linux Real Time (v. 10) · released 2026-09-24 · [advisory](https://access.redhat.com/errata/RHSA-2026:71602)\n- **RHSA-2026:71700** · Red Hat · fixed in: Red Hat Enterprise Linux AppStream (v. 9), Red Hat Enterprise Linux BaseOS (v. 9), Red Hat Enterprise Linux CodeReady Linux Builder (v. 9), Red Hat Enterprise Linux Real Time for NFV (v. 9), Red Hat Enterprise Linux Real Time (v. 9) · released 2026-09-25 · [advisory](https://access.redhat.com/errata/RHSA-2026:71700)\n- **RHSA-2026:71329** · Red Hat · fixed in: Red Hat Enterprise Linux BaseOS (v. 8), Red Hat Enterprise Linux CRB (v. 8) · released 2026-09-24 · [advisory](https://access.redhat.com/errata/RHSA-2026:71329)\n- **RHSA-2026:71330** · Red Hat · fixed in: Red Hat Enterprise Linux NFV (v. 8), Red Hat Enterprise Linux RT (v. 8) · released 2026-09-24 · [advisory](https://access.redhat.com/errata/RHSA-2026:71330)\n- **Red Hat VEX** · Important · affected: Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 9 · no fix planned: Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 9 · updated 2026-10-23 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-80714.json)","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":230433,"id":"CVE-2026-80714","ts":1793134643976,"field":"cvss","old":"7.8","new":"9.8"},{"seq":230432,"id":"CVE-2026-80714","ts":1793134643976,"field":"severity","old":"high","new":"critical"},{"seq":228106,"id":"CVE-2026-80714","ts":1792758088876,"field":"cvss","old":"9.8","new":"7.8"},{"seq":228105,"id":"CVE-2026-80714","ts":1792758088876,"field":"severity","old":"critical","new":"high"}]}