{"id":"CVE-2024-44986","revision":null,"records":[{"revision":"36e6a5f127e44e758d702ca1644eaf26","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-44986","aliases":[],"title":"ipv6: fix possible UAF in ip6_finish_output2()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: fix possible UAF in ip6_finish_output2()\n\nIf skb_expand_head() returns NULL, skb has been freed\nand associated dst/idev could also have been freed.\n\nWe need to hold rcu_read_lock() to make sure the dst and\nassociated idev are alive.","state":0,"publishedAt":"2024-09-04T19:54:34.852+00:00","modifiedAt":"2026-09-29T12:17:53.38+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"net/ipv6/ip6_output.c\"\n ],\n \"versions\": [\n {\n \"version\": \"ded37d03440d0ab346a8287cc2ba88b8dc90ceb0\",\n \"lessThan\": \"ae8512e93f4ce47614ca89defaec1b93e00697b8\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"2323690eb05865a657709f4d28eb9538ea97bfc2\",\n \"lessThan\": \"1504108cb6020df7b1a31c9bb80fd587470aa448\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5796015fa968a3349027a27dcd04c71d95c53ba5\",\n \"lessThan\": \"e891b36de161fcd96f12ff83667473e5067b9037\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5796015fa968a3349027a27dcd04c71d95c53ba5\",\n \"lessThan\": \"3574d28caf9a09756ae87ad1ea096c6f47b6101e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5796015fa968a3349027a27dcd04c71d95c53ba5\",\n \"lessThan\": \"6ab6bf731354a6fdbaa617d1ec194960db61cf3b\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5796015fa968a3349027a27dcd04c71d95c53ba5\",\n \"lessThan\": \"56efc253196751ece1fc535a5b582be127b0578a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5796015fa968a3349027a27dcd04c71d95c53ba5\",\n \"lessThan\": \"da273b377ae0d9bd255281ed3c2adb228321687b\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"b34c668a867ffdcf8bd8db4a36512572e82b4a15\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5.4.137\",\n \"lessThan\": \"5.4.289\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.55\",\n \"lessThan\": \"5.10.233\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.13.7\",\n \"lessThan\": \"5.14\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"net/ipv6/ip6_output.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5.14\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"5.14\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.4.289\",\n \"lessThanOrEqual\": \"5.4.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.233\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.166\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.107\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.48\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.10.7\",\n \"lessThanOrEqual\": \"6.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.11\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/ae8512e93f4ce47614ca89defaec1b93e00697b8","https://git.kernel.org/stable/c/1504108cb6020df7b1a31c9bb80fd587470aa448","https://git.kernel.org/stable/c/e891b36de161fcd96f12ff83667473e5067b9037","https://git.kernel.org/stable/c/3574d28caf9a09756ae87ad1ea096c6f47b6101e","https://git.kernel.org/stable/c/6ab6bf731354a6fdbaa617d1ec194960db61cf3b","https://git.kernel.org/stable/c/56efc253196751ece1fc535a5b582be127b0578a","https://git.kernel.org/stable/c/da273b377ae0d9bd255281ed3c2adb228321687b"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-44986","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-44986","identifiers":["CVE-2024-44986"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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