{"id":"CVE-2026-80646","summary":"ipv6: guard against possible NULL deref in __in6_dev_stats_get()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: guard against possible NULL deref in __in6_dev_stats_get()\n\ndev_get_by_index_rcu() could return NULL if the original physical\ndevice is unregistered.\n\nFound by Sashiko.","modified":"2026-10-28T02:30:26.393221928Z","published":"2026-08-28T06:48:56.277Z","related":["SUSE-SU-2026:23881-1","SUSE-SU-2026:23887-1","SUSE-SU-2026:23897-1","SUSE-SU-2026:23902-1","SUSE-SU-2026:24181-1","SUSE-SU-2026:24182-1","SUSE-SU-2026:24315-1","SUSE-SU-2026:24316-1","SUSE-SU-2026:4640-1","SUSE-SU-2026:4706-1","openSUSE-SU-2026:21910-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80646.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0db1949084e85a72d174a7dea3259b94fe5a9305"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1a4adfbeb47a212a64539137411f1ca168474d33"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1e3db30a88815bae6e9d5db6f64ac735e615a07e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/507541c2a8eeb76c02bd2511958f73a8cfa3e1bc"},{"type":"WEB","url":"https://git.kernel.org/stable/c/952426a83ca75cea25c09d58944abafaa3ebd242"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a23f2c68c6635e41404f189f8f7ae910738cebdb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e14db43677946bf2095febd294bb3c13ab375ab7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/fc920c0659cdea5afd8721c1155a51564859e075"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/80xxx/CVE-2026-80646.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80646"},{"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":"e1ae5c2ea4783b1fd87be250f9fcc9d9e1a6ba3f"},{"fixed":"a23f2c68c6635e41404f189f8f7ae910738cebdb"},{"fixed":"e14db43677946bf2095febd294bb3c13ab375ab7"},{"fixed":"1a4adfbeb47a212a64539137411f1ca168474d33"},{"fixed":"1e3db30a88815bae6e9d5db6f64ac735e615a07e"},{"fixed":"952426a83ca75cea25c09d58944abafaa3ebd242"},{"fixed":"0db1949084e85a72d174a7dea3259b94fe5a9305"},{"fixed":"fc920c0659cdea5afd8721c1155a51564859e075"},{"fixed":"507541c2a8eeb76c02bd2511958f73a8cfa3e1bc"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4.19.291"},{"fixed":"4.20"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"a24963500a4ec921ce9c2597e0a584e44513afae"}]}],"versions":["v4.19.325","v4.19.324","v4.19.323","v4.19.322","v4.19.321","v4.19.320","v4.19.319","v4.19.318","v4.19.317","v4.19.316","v4.19.315","v4.19.314","v4.19.313","v4.19.312","v4.19.311","v4.19.310","v4.19.309","v4.19.308","v4.19.307","v4.19.306","v4.19.305","v4.19.304","v4.19.303","v4.19.302","v4.19.301","v4.19.300","v4.19.299","v4.19.298","v4.19.297","v4.19.296","v4.19.295","v4.19.294","v4.19.293","v4.19.292","v4.19.291"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-80646.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.2.0"},{"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-2026-80646.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}