{"id":"CVE-2026-72319","summary":"ipvs: ensure inner headers in ICMP errors are in headroom","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nipvs: ensure inner headers in ICMP errors are in headroom\n\nSashiko points out that after stripping the outer headers\nwith pskb_pull() we should ensure the inner IP headers\nin ICMP errors from tunnels are present in the skb headroom\nfor functions like ipv4_update_pmtu(), icmp_send() and\nIP_VS_DBG().\n\nAlso, add more checks for the length of the inner headers.","modified":"2026-08-18T03:56:41.802341933Z","published":"2026-08-15T05:55:32.313Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72319.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/19657b3a17b774ae4e2f2635b5ae8638c9344a40"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3f7a535ff0fa627a0132803e4c2f903ceffcbc1c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8f48cfe657409fb5c7ba0521b14da6d47546d9cf"},{"type":"WEB","url":"https://git.kernel.org/stable/c/92185d6f7819bc558939ae83de7b1abe90e3b5c2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9bc9b95aee2b2e3f1301a16a67ee504960402875"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a735f9964a3d9ed97daf9b08507f8b5bcafe6326"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dac813101914c21219ac221a60a31a11bc90e7ec"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dd22f74a09e25ca298ced0a3763ef353242cb78d"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72319.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-72319"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"f2edb9f7706dcb2c0d9a362b2ba849efe3a97f5e"},{"fixed":"19657b3a17b774ae4e2f2635b5ae8638c9344a40"},{"fixed":"dac813101914c21219ac221a60a31a11bc90e7ec"},{"fixed":"dd22f74a09e25ca298ced0a3763ef353242cb78d"},{"fixed":"9bc9b95aee2b2e3f1301a16a67ee504960402875"},{"fixed":"a735f9964a3d9ed97daf9b08507f8b5bcafe6326"},{"fixed":"8f48cfe657409fb5c7ba0521b14da6d47546d9cf"},{"fixed":"92185d6f7819bc558939ae83de7b1abe90e3b5c2"},{"fixed":"3f7a535ff0fa627a0132803e4c2f903ceffcbc1c"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72319.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"3.7.0"},{"fixed":"5.10.261"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.212"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.178"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.145"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.97"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.40"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72319.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}