{"id":"CVE-2024-47743","state":"PUBLISHED","title":"KEYS: prevent NULL pointer dereference in find_asymmetric_key()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKEYS: prevent NULL pointer dereference in find_asymmetric_key()\n\nIn find_asymmetric_key(), if all NULLs are passed in the id_{0,1,2}\narguments, the kernel will first emit WARN but then have an oops\nbecause id_2 gets dereferenced anyway.\n\nAdd the missing id_2 check and move WARN_ON() to the final else branch\nto avoid duplicate NULL checks.\n\nFound by Linux Verification Center (linuxtesting.org) with Svace static\nanalysis tool.","publishedAt":"2024-10-21T12:14:11.173Z","updatedAt":"2026-05-11T20:39:53.799Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7d30198ee24f2ddcc4fefcd38a9b76bd8ab31360","status":"affected","lessThan":"3322fa8f2aa40b0b3651034cd541647a600cc6c0","versionType":"git"},{"version":"7d30198ee24f2ddcc4fefcd38a9b76bd8ab31360","status":"affected","lessThan":"a3765b497a4f5224cb2f7a6a2d3357d3066214ee","versionType":"git"},{"version":"7d30198ee24f2ddcc4fefcd38a9b76bd8ab31360","status":"affected","lessThan":"13b5b401ead95b5d8266f64904086c55b6024900","versionType":"git"},{"version":"7d30198ee24f2ddcc4fefcd38a9b76bd8ab31360","status":"affected","lessThan":"0d3b0706ada15c333e6f9faf19590ff715e45d1e","versionType":"git"},{"version":"7d30198ee24f2ddcc4fefcd38a9b76bd8ab31360","status":"affected","lessThan":"70fd1966c93bf3bfe3fe6d753eb3d83a76597eef","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["crypto/asymmetric_keys/asymmetric_type.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.17","versionType":"semver"},{"version":"6.1.113","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.54","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.13","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11.2","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["crypto/asymmetric_keys/asymmetric_type.c"]}],"references":["https://git.kernel.org/stable/c/3322fa8f2aa40b0b3651034cd541647a600cc6c0","https://git.kernel.org/stable/c/a3765b497a4f5224cb2f7a6a2d3357d3066214ee","https://git.kernel.org/stable/c/13b5b401ead95b5d8266f64904086c55b6024900","https://git.kernel.org/stable/c/0d3b0706ada15c333e6f9faf19590ff715e45d1e","https://git.kernel.org/stable/c/70fd1966c93bf3bfe3fe6d753eb3d83a76597eef","https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:56.516Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/47xxx/CVE-2024-47743.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-47743","state":"PUBLISHED","datePublished":"2024-10-21T12:14:11.173Z","dateUpdated":"2026-05-11T20:39:53.799Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-09-30T16:00:12.960Z"},"containers":{"cna":{"title":"KEYS: prevent NULL pointer dereference in find_asymmetric_key()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nKEYS: prevent NULL pointer dereference in find_asymmetric_key()\n\nIn find_asymmetric_key(), if all NULLs are passed in the id_{0,1,2}\narguments, the kernel will first emit WARN but then have an oops\nbecause id_2 gets dereferenced anyway.\n\nAdd the missing id_2 check and move WARN_ON() to the final else branch\nto avoid duplicate NULL checks.\n\nFound by Linux Verification Center (linuxtesting.org) with Svace static\nanalysis tool."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7d30198ee24f2ddcc4fefcd38a9b76bd8ab31360","status":"affected","lessThan":"3322fa8f2aa40b0b3651034cd541647a600cc6c0","versionType":"git"},{"version":"7d30198ee24f2ddcc4fefcd38a9b76bd8ab31360","status":"affected","lessThan":"a3765b497a4f5224cb2f7a6a2d3357d3066214ee","versionType":"git"},{"version":"7d30198ee24f2ddcc4fefcd38a9b76bd8ab31360","status":"affected","lessThan":"13b5b401ead95b5d8266f64904086c55b6024900","versionType":"git"},{"version":"7d30198ee24f2ddcc4fefcd38a9b76bd8ab31360","status":"affected","lessThan":"0d3b0706ada15c333e6f9faf19590ff715e45d1e","versionType":"git"},{"version":"7d30198ee24f2ddcc4fefcd38a9b76bd8ab31360","status":"affected","lessThan":"70fd1966c93bf3bfe3fe6d753eb3d83a76597eef","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["crypto/asymmetric_keys/asymmetric_type.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.17","versionType":"semver"},{"version":"6.1.113","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.54","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.10.13","status":"unaffected","lessThanOrEqual":"6.10.*","versionType":"semver"},{"version":"6.11.2","status":"unaffected","lessThanOrEqual":"6.11.*","versionType":"semver"},{"version":"6.12","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["crypto/asymmetric_keys/asymmetric_type.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3322fa8f2aa40b0b3651034cd541647a600cc6c0"},{"url":"https://git.kernel.org/stable/c/a3765b497a4f5224cb2f7a6a2d3357d3066214ee"},{"url":"https://git.kernel.org/stable/c/13b5b401ead95b5d8266f64904086c55b6024900"},{"url":"https://git.kernel.org/stable/c/0d3b0706ada15c333e6f9faf19590ff715e45d1e"},{"url":"https://git.kernel.org/stable/c/70fd1966c93bf3bfe3fe6d753eb3d83a76597eef"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:39:53.799Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.1.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.6.54"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.10.13"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.11.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"6.12"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA 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