{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52581","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-03-02T21:55:42.569Z","datePublished":"2024-03-02T21:59:47.856Z","dateUpdated":"2026-05-11T19:29:40.160Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:29:40.160Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: fix memleak when more than 255 elements expired\n\nWhen more than 255 elements expired we're supposed to switch to a new gc\ncontainer structure.\n\nThis never happens: u8 type will wrap before reaching the boundary\nand nft_trans_gc_space() always returns true.\n\nThis means we recycle the initial gc container structure and\nlose track of the elements that came before.\n\nWhile at it, don't deref 'gc' after we've passed it to call_rcu."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/net/netfilter/nf_tables.h","net/netfilter/nf_tables_api.c"],"versions":[{"version":"8da1b048f9a501d3d7d38c188ba09d7d0d5b8c27","lessThan":"7cf055b43756b10aa2b851c927c940f5ed652125","status":"affected","versionType":"git"},{"version":"bbdb3b65aa91aa0a32b212f27780b28987f2d94f","lessThan":"a995a68e8a3b48533e47c856865d109a1f1a9d01","status":"affected","versionType":"git"},{"version":"448be0774882f95a74fa5eb7519761152add601b","lessThan":"09c85f2d21ab6b5acba31a037985b13e8e6565b8","status":"affected","versionType":"git"},{"version":"d19e8bf3ea4114dd21fc35da21f398203d7f7df1","lessThan":"ef99506eaf1dc31feff1adfcfd68bc5535a22171","status":"affected","versionType":"git"},{"version":"ea3eb9f2192e4fc33b795673e56c97a21987f868","lessThan":"7e5d732e6902eb6a37b35480796838a145ae5f07","status":"affected","versionType":"git"},{"version":"5f68718b34a531a556f2f50300ead2862278da26","lessThan":"4aea243b6853d06c1d160a9955b759189aa02b14","status":"affected","versionType":"git"},{"version":"5f68718b34a531a556f2f50300ead2862278da26","lessThan":"cf5000a7787cbc10341091d37245a42c119d26c5","status":"affected","versionType":"git"},{"version":"0624f190b5742a1527cd938295caa8dc5281d4cd","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["include/net/netfilter/nf_tables.h","net/netfilter/nf_tables_api.c"],"versions":[{"version":"6.5","status":"affected"},{"version":"0","lessThan":"6.5","status":"unaffected","versionType":"semver"},{"version":"6.5.6","lessThanOrEqual":"6.5.*","status":"unaffected","versionType":"semver"},{"version":"6.6","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":"6.5","versionEndExcluding":"6.5.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.5","versionEndExcluding":"6.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.4.11"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/7cf055b43756b10aa2b851c927c940f5ed652125"},{"url":"https://git.kernel.org/stable/c/a995a68e8a3b48533e47c856865d109a1f1a9d01"},{"url":"https://git.kernel.org/stable/c/09c85f2d21ab6b5acba31a037985b13e8e6565b8"},{"url":"https://git.kernel.org/stable/c/ef99506eaf1dc31feff1adfcfd68bc5535a22171"},{"url":"https://git.kernel.org/stable/c/7e5d732e6902eb6a37b35480796838a145ae5f07"},{"url":"https://git.kernel.org/stable/c/4aea243b6853d06c1d160a9955b759189aa02b14"},{"url":"https://git.kernel.org/stable/c/cf5000a7787cbc10341091d37245a42c119d26c5"}],"title":"netfilter: nf_tables: fix memleak when more than 255 elements expired","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","lang":"en","description":"CWE-noinfo Not enough information"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":6.3,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-03-05T20:19:37.141289Z","id":"CVE-2023-52581","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-11-07T14:54:23.969Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T23:03:21.164Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/7cf055b43756b10aa2b851c927c940f5ed652125","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/a995a68e8a3b48533e47c856865d109a1f1a9d01","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/09c85f2d21ab6b5acba31a037985b13e8e6565b8","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/ef99506eaf1dc31feff1adfcfd68bc5535a22171","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/7e5d732e6902eb6a37b35480796838a145ae5f07","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/4aea243b6853d06c1d160a9955b759189aa02b14","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/cf5000a7787cbc10341091d37245a42c119d26c5","tags":["x_transferred"]}]}]}}