{"id":"CVE-2021-47079","state":"PUBLISHED","title":"platform/x86: ideapad-laptop: fix a NULL pointer dereference","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: ideapad-laptop: fix a NULL pointer dereference\n\nThe third parameter of dytc_cql_command should not be NULL since it will\nbe dereferenced immediately.","publishedAt":"2024-03-01T21:15:15.294Z","updatedAt":"2026-05-11T13:47:40.687Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ff36b0d953dc4cbc40a72945920ff8e805f1b0da","status":"affected","lessThan":"beab753fe3b4e087411a850a64c6cd748544d8a1","versionType":"git"},{"version":"ff36b0d953dc4cbc40a72945920ff8e805f1b0da","status":"affected","lessThan":"ff67dbd554b2aaa22be933eced32610ff90209dd","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/ideapad-laptop.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.12.7","status":"unaffected","lessThanOrEqual":"5.12.*","versionType":"semver"},{"version":"5.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/ideapad-laptop.c"]}],"references":["https://git.kernel.org/stable/c/beab753fe3b4e087411a850a64c6cd748544d8a1","https://git.kernel.org/stable/c/ff67dbd554b2aaa22be933eced32610ff90209dd"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:19.404Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/47xxx/CVE-2021-47079.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47079","state":"PUBLISHED","datePublished":"2024-03-01T21:15:15.294Z","dateUpdated":"2026-05-11T13:47:40.687Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-29T22:33:44.298Z"},"containers":{"cna":{"title":"platform/x86: ideapad-laptop: fix a NULL pointer dereference","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: ideapad-laptop: fix a NULL pointer dereference\n\nThe third parameter of dytc_cql_command should not be NULL since it will\nbe dereferenced immediately."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"ff36b0d953dc4cbc40a72945920ff8e805f1b0da","status":"affected","lessThan":"beab753fe3b4e087411a850a64c6cd748544d8a1","versionType":"git"},{"version":"ff36b0d953dc4cbc40a72945920ff8e805f1b0da","status":"affected","lessThan":"ff67dbd554b2aaa22be933eced32610ff90209dd","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/ideapad-laptop.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.12.7","status":"unaffected","lessThanOrEqual":"5.12.*","versionType":"semver"},{"version":"5.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/ideapad-laptop.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/beab753fe3b4e087411a850a64c6cd748544d8a1"},{"url":"https://git.kernel.org/stable/c/ff67dbd554b2aaa22be933eced32610ff90209dd"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T13:47:40.687Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.12.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.13"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-06-21T16:14:46.324077Z","id":"CVE-2021-47079","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-06-21T16:14:56.130Z"}},{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/beab753fe3b4e087411a850a64c6cd748544d8a1","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/ff67dbd554b2aaa22be933eced32610ff90209dd","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T05:24:39.849Z"}}]}}}