{"dataType":"CVE_RECORD","cveMetadata":{"cveId":"CVE-2024-27020","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-02-19T14:20:24.209Z","datePublished":"2024-05-01T05:30:15.908Z","dateUpdated":"2025-11-04T17:17:36.550Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T09:02:25.729Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: Fix potential data-race in __nft_expr_type_get()\n\nnft_unregister_expr() can concurrent with __nft_expr_type_get(),\nand there is not any protection when iterate over nf_tables_expressions\nlist in __nft_expr_type_get(). Therefore, there is potential data-race\nof nf_tables_expressions list entry.\n\nUse list_for_each_entry_rcu() to iterate over nf_tables_expressions\nlist in __nft_expr_type_get(), and use rcu_read_lock() in the caller\nnft_expr_type_get() to protect the entire type query process."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/netfilter/nf_tables_api.c"],"versions":[{"version":"ef1f7df9170dbd875ce198ba84e6ab80f6fc139e","lessThan":"939109c0a8e2a006a6cc8209e262d25065f4403a","status":"affected","versionType":"git"},{"version":"ef1f7df9170dbd875ce198ba84e6ab80f6fc139e","lessThan":"b38a133d37fa421c8447b383d788c9cc6f5cb34c","status":"affected","versionType":"git"},{"version":"ef1f7df9170dbd875ce198ba84e6ab80f6fc139e","lessThan":"934e66e231cff2b18faa2c8aad0b8cec13957e05","status":"affected","versionType":"git"},{"version":"ef1f7df9170dbd875ce198ba84e6ab80f6fc139e","lessThan":"0b6de00206adbbfc6373b3ae38d2a6f197987907","status":"affected","versionType":"git"},{"version":"ef1f7df9170dbd875ce198ba84e6ab80f6fc139e","lessThan":"8d56bad42ac4c43c6c72ddd6a654a2628bf839c5","status":"affected","versionType":"git"},{"version":"ef1f7df9170dbd875ce198ba84e6ab80f6fc139e","lessThan":"a9ebf340d123ae12582210407f879d6a5a1bc25b","status":"affected","versionType":"git"},{"version":"ef1f7df9170dbd875ce198ba84e6ab80f6fc139e","lessThan":"01f1a678b05ade4b1248019c2dcca773aebbeb7f","status":"affected","versionType":"git"},{"version":"ef1f7df9170dbd875ce198ba84e6ab80f6fc139e","lessThan":"f969eb84ce482331a991079ab7a5c4dc3b7f89bf","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/netfilter/nf_tables_api.c"],"versions":[{"version":"3.13","status":"affected"},{"version":"0","lessThan":"3.13","status":"unaffected","versionType":"semver"},{"version":"4.19.313","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.275","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.216","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.157","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.88","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.29","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.8.8","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":"3.13","versionEndExcluding":"4.19.313"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"5.4.275"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"5.10.216"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"5.15.157"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"6.1.88"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"6.6.29"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"6.8.8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.13","versionEndExcluding":"6.9"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/939109c0a8e2a006a6cc8209e262d25065f4403a"},{"url":"https://git.kernel.org/stable/c/b38a133d37fa421c8447b383d788c9cc6f5cb34c"},{"url":"https://git.kernel.org/stable/c/934e66e231cff2b18faa2c8aad0b8cec13957e05"},{"url":"https://git.kernel.org/stable/c/0b6de00206adbbfc6373b3ae38d2a6f197987907"},{"url":"https://git.kernel.org/stable/c/8d56bad42ac4c43c6c72ddd6a654a2628bf839c5"},{"url":"https://git.kernel.org/stable/c/a9ebf340d123ae12582210407f879d6a5a1bc25b"},{"url":"https://git.kernel.org/stable/c/01f1a678b05ade4b1248019c2dcca773aebbeb7f"},{"url":"https://git.kernel.org/stable/c/f969eb84ce482331a991079ab7a5c4dc3b7f89bf"}],"title":"netfilter: nf_tables: Fix potential data-race in __nft_expr_type_get()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-362","lang":"en","description":"CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')"}]}],"metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2024-10-30T19:26:58.391230Z","id":"CVE-2024-27020","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-10-30T19:27:09.041Z"}},{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/939109c0a8e2a006a6cc8209e262d25065f4403a","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/b38a133d37fa421c8447b383d788c9cc6f5cb34c","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/934e66e231cff2b18faa2c8aad0b8cec13957e05","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/0b6de00206adbbfc6373b3ae38d2a6f197987907","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/8d56bad42ac4c43c6c72ddd6a654a2628bf839c5","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/a9ebf340d123ae12582210407f879d6a5a1bc25b","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/01f1a678b05ade4b1248019c2dcca773aebbeb7f","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/f969eb84ce482331a991079ab7a5c4dc3b7f89bf","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html","tags":["x_transferred"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DAMSOZXJEPUOXW33WZYWCVAY7Z5S7OOY/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EZ6PJW7VOZ224TD7N4JZNU6KV32ZJ53/"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GCBZZEC7L7KTWWAS2NLJK6SO3IZIL4WW/"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2025-11-04T17:17:36.550Z"}}]},"dataVersion":"5.2"}