{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43101","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-01T14:12:55.984Z","datePublished":"2026-05-06T07:40:30.969Z","dateUpdated":"2026-05-11T22:17:45.102Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:17:45.102Z"},"descriptions":[{"lang":"en","value":"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."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv6/ioam6.c"],"versions":[{"version":"9ee11f0fff205b4b3df9750bff5e94f97c71b6a0","lessThan":"4198aab6f000b4febb18ea820fea20634dd789c7","status":"affected","versionType":"git"},{"version":"9ee11f0fff205b4b3df9750bff5e94f97c71b6a0","lessThan":"3719c234fa94c37c955b1ecd3742ef280ec135e6","status":"affected","versionType":"git"},{"version":"9ee11f0fff205b4b3df9750bff5e94f97c71b6a0","lessThan":"4e65a8b8daa18d63255ec58964dd192c7fdd9f8b","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv6/ioam6.c"],"versions":[{"version":"5.15","status":"affected"},{"version":"0","lessThan":"5.15","status":"unaffected","versionType":"semver"},{"version":"6.18.24","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.14","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.18.24"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.19.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/4198aab6f000b4febb18ea820fea20634dd789c7"},{"url":"https://git.kernel.org/stable/c/3719c234fa94c37c955b1ecd3742ef280ec135e6"},{"url":"https://git.kernel.org/stable/c/4e65a8b8daa18d63255ec58964dd192c7fdd9f8b"}],"title":"ipv6: ioam: fix potential NULL dereferences in __ioam6_fill_trace_data()","x_generator":{"engine":"bippy-1.2.0"}}}}