{"id":"CVE-2024-27395","revision":null,"records":[{"revision":"dfccefb5f6fd43e8bceef25e6328e8dd","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2024-27395","aliases":[],"title":"net: openvswitch: Fix Use-After-Free in ovs_ct_exit","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: openvswitch: Fix Use-After-Free in ovs_ct_exit\n\nSince kfree_rcu, which is called in the hlist_for_each_entry_rcu traversal\nof ovs_ct_limit_exit, is not part of the RCU read critical section, it\nis possible that the RCU grace period will pass during the traversal and\nthe key will be free.\n\nTo prevent this, it should be changed to hlist_for_each_entry_safe.","state":0,"publishedAt":"2024-05-09T16:37:15.196+00:00","modifiedAt":"2026-10-15T00:40:13.815+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/openvswitch/conntrack.c\"\n ],\n \"versions\": [\n {\n \"version\": \"11efd5cb04a184eea4f57b68ea63dddd463158d1\",\n \"lessThan\": \"2db9a8c0a01fa1c762c1e61a13c212c492752994\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"11efd5cb04a184eea4f57b68ea63dddd463158d1\",\n \"lessThan\": \"589523cf0b384164e445dd5db8d5b1bf97982424\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"11efd5cb04a184eea4f57b68ea63dddd463158d1\",\n \"lessThan\": \"35880c3fa6f8fe281a19975d2992644588ca33d3\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"11efd5cb04a184eea4f57b68ea63dddd463158d1\",\n \"lessThan\": \"9048616553c65e750d43846f225843ed745ec0d4\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"11efd5cb04a184eea4f57b68ea63dddd463158d1\",\n \"lessThan\": \"bca6fa2d9a9f560e6b89fd5190b05cc2f5d422c1\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"11efd5cb04a184eea4f57b68ea63dddd463158d1\",\n \"lessThan\": \"eaa5e164a2110d2fb9e16c8a29e4501882235137\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"11efd5cb04a184eea4f57b68ea63dddd463158d1\",\n \"lessThan\": \"edee0758747d7c219e29db9ed1d4eb33e8d32865\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"11efd5cb04a184eea4f57b68ea63dddd463158d1\",\n \"lessThan\": \"5ea7b72d4fac2fdbc0425cd8f2ea33abe95235b2\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\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/openvswitch/conntrack.c\"\n ],\n \"versions\": [\n {\n \"version\": \"4.18\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"4.18\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"4.19.313\",\n \"lessThanOrEqual\": \"4.19.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.4.275\",\n \"lessThanOrEqual\": \"5.4.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.216\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.158\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.90\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.30\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.8.9\",\n \"lessThanOrEqual\": \"6.8.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.9\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/2db9a8c0a01fa1c762c1e61a13c212c492752994","https://git.kernel.org/stable/c/589523cf0b384164e445dd5db8d5b1bf97982424","https://git.kernel.org/stable/c/35880c3fa6f8fe281a19975d2992644588ca33d3","https://git.kernel.org/stable/c/9048616553c65e750d43846f225843ed745ec0d4","https://git.kernel.org/stable/c/bca6fa2d9a9f560e6b89fd5190b05cc2f5d422c1","https://git.kernel.org/stable/c/eaa5e164a2110d2fb9e16c8a29e4501882235137","https://git.kernel.org/stable/c/edee0758747d7c219e29db9ed1d4eb33e8d32865","https://git.kernel.org/stable/c/5ea7b72d4fac2fdbc0425cd8f2ea33abe95235b2"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2024-27395","license":"CVE Program Terms of Use","key":"cve-program:CVE-2024-27395","identifiers":["CVE-2024-27395"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all 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