{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2024-27390","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-02-25T13:47:42.677Z","datePublished":"2024-05-01T13:05:12.775Z","dateUpdated":"2025-05-04T09:03:57.158Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T09:03:57.158Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6: mcast: remove one synchronize_net() barrier in ipv6_mc_down()\n\nAs discussed in the past (commit 2d3916f31891 (\"ipv6: fix skb drops\nin igmp6_event_query() and igmp6_event_report()\")) I think the\nsynchronize_net() call in ipv6_mc_down() is not needed.\n\nUnder load, synchronize_net() can last between 200 usec and 5 ms.\n\nKASAN seems to agree as well."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv6/mcast.c"],"versions":[{"version":"f185de28d9ae6c978135993769352e523ee8df06","lessThan":"9d159d6637ccce25f879d662a480541ef4ba3a50","status":"affected","versionType":"git"},{"version":"f185de28d9ae6c978135993769352e523ee8df06","lessThan":"a03ede2282ebbd181bd6f5c38cbfcb5765afcd04","status":"affected","versionType":"git"},{"version":"f185de28d9ae6c978135993769352e523ee8df06","lessThan":"26d4bac55750d535f1f0b8790dc26daf6089e373","status":"affected","versionType":"git"},{"version":"f185de28d9ae6c978135993769352e523ee8df06","lessThan":"7eb06ee5921189812e6b4bfe7b0f1e878be16df7","status":"affected","versionType":"git"},{"version":"f185de28d9ae6c978135993769352e523ee8df06","lessThan":"5da9a218340a2bc804dc4327e5804392e24a0b88","status":"affected","versionType":"git"},{"version":"f185de28d9ae6c978135993769352e523ee8df06","lessThan":"17ef8efc00b34918b966388b2af0993811895a8c","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/mcast.c"],"versions":[{"version":"5.13","status":"affected"},{"version":"0","lessThan":"5.13","status":"unaffected","versionType":"semver"},{"version":"5.15.153","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.83","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.23","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.7.11","lessThanOrEqual":"6.7.*","status":"unaffected","versionType":"semver"},{"version":"6.8.2","lessThanOrEqual":"6.8.*","status":"unaffected","versionType":"semver"},{"version":"6.9","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":"5.13","versionEndExcluding":"5.15.153"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.1.83"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.6.23"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.7.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.8.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.13","versionEndExcluding":"6.9"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/9d159d6637ccce25f879d662a480541ef4ba3a50"},{"url":"https://git.kernel.org/stable/c/a03ede2282ebbd181bd6f5c38cbfcb5765afcd04"},{"url":"https://git.kernel.org/stable/c/26d4bac55750d535f1f0b8790dc26daf6089e373"},{"url":"https://git.kernel.org/stable/c/7eb06ee5921189812e6b4bfe7b0f1e878be16df7"},{"url":"https://git.kernel.org/stable/c/5da9a218340a2bc804dc4327e5804392e24a0b88"},{"url":"https://git.kernel.org/stable/c/17ef8efc00b34918b966388b2af0993811895a8c"}],"title":"ipv6: mcast: remove one synchronize_net() barrier in ipv6_mc_down()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T00:34:52.217Z"},"title":"CVE Program 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