{"id":"CVE-2026-43101","summary":"ipv6: ioam: fix potential NULL dereferences in __ioam6_fill_trace_data()","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: ioam: fix potential NULL dereferences in __ioam6_fill_trace_data()\n\nWe need to check __in6_dev_get() for possible NULL value, as\nsuggested by Yiming Qian.\n\nAlso add skb_dst_dev_rcu() instead of skb_dst_dev(),\nand two missing READ_ONCE().\n\nNote that @dev can't be NULL.","modified":"2026-11-01T02:34:57.139012349Z","published":"2026-05-06T07:40:30.969Z","related":["SUSE-SU-2026:22433-1","SUSE-SU-2026:22436-1","SUSE-SU-2026:22458-1","SUSE-SU-2026:22460-1","SUSE-SU-2026:22742-1","SUSE-SU-2026:22769-1","SUSE-SU-2026:22812-1","SUSE-SU-2026:22835-1","SUSE-SU-2026:2722-1","SUSE-SU-2026:2799-1","openSUSE-SU-2026:21388-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43101.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/34b8390ac0ba57004b90ea568ac06f50bf896a80"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3719c234fa94c37c955b1ecd3742ef280ec135e6"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4198aab6f000b4febb18ea820fea20634dd789c7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4e65a8b8daa18d63255ec58964dd192c7fdd9f8b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/dd0d2827b3643ff307c766865f8e31eab5cbd1f5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f87aa5d1a7f56727a768757613a303b4245444a1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43101.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43101"},{"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":"9ee11f0fff205b4b3df9750bff5e94f97c71b6a0"},{"fixed":"dd0d2827b3643ff307c766865f8e31eab5cbd1f5"},{"fixed":"34b8390ac0ba57004b90ea568ac06f50bf896a80"},{"fixed":"f87aa5d1a7f56727a768757613a303b4245444a1"},{"fixed":"4198aab6f000b4febb18ea820fea20634dd789c7"},{"fixed":"3719c234fa94c37c955b1ecd3742ef280ec135e6"},{"fixed":"4e65a8b8daa18d63255ec58964dd192c7fdd9f8b"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43101.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.15.0"},{"fixed":"6.1.191"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.160"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.114"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.24"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.14"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43101.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"}]}