{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2023-52864","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-05-21T15:19:24.261Z","datePublished":"2024-05-21T15:31:55.875Z","dateUpdated":"2025-05-04T07:44:33.981Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:44:33.981Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: wmi: Fix opening of char device\n\nSince commit fa1f68db6ca7 (\"drivers: misc: pass miscdevice pointer via\nfile private data\"), the miscdevice stores a pointer to itself inside\nfilp->private_data, which means that private_data will not be NULL when\nwmi_char_open() is called. This might cause memory corruption should\nwmi_char_open() be unable to find its driver, something which can\nhappen when the associated WMI device is deleted in wmi_free_devices().\n\nFix the problem by using the miscdevice pointer to retrieve the WMI\ndevice data associated with a char device using container_of(). This\nalso avoids wmi_char_open() picking a wrong WMI device bound to a\ndriver with the same name as the original driver."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/wmi.c"],"versions":[{"version":"44b6b7661132b1b0e5fd3147ded66f1e4a817ca9","lessThan":"cf098e937dd125c0317a0d6f261ac2a950a233d6","status":"affected","versionType":"git"},{"version":"44b6b7661132b1b0e5fd3147ded66f1e4a817ca9","lessThan":"9fb0eed09e1470cd4021ff52b2b9dfcbcee4c203","status":"affected","versionType":"git"},{"version":"44b6b7661132b1b0e5fd3147ded66f1e4a817ca9","lessThan":"d426a2955e45a95b2282764105fcfb110a540453","status":"affected","versionType":"git"},{"version":"44b6b7661132b1b0e5fd3147ded66f1e4a817ca9","lessThan":"e0bf076b734a2fab92d8fddc2b8b03462eee7097","status":"affected","versionType":"git"},{"version":"44b6b7661132b1b0e5fd3147ded66f1e4a817ca9","lessThan":"44a96796d25809502c75771d40ee693c2e44724e","status":"affected","versionType":"git"},{"version":"44b6b7661132b1b0e5fd3147ded66f1e4a817ca9","lessThan":"36d85fa7ae0d6be651c1a745191fa7ef055db43e","status":"affected","versionType":"git"},{"version":"44b6b7661132b1b0e5fd3147ded66f1e4a817ca9","lessThan":"fb7b06b59c6887659c6ed0ecd3110835eecbb6a3","status":"affected","versionType":"git"},{"version":"44b6b7661132b1b0e5fd3147ded66f1e4a817ca9","lessThan":"eba9ac7abab91c8f6d351460239108bef5e7a0b6","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/wmi.c"],"versions":[{"version":"4.15","status":"affected"},{"version":"0","lessThan":"4.15","status":"unaffected","versionType":"semver"},{"version":"4.19.299","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.261","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.201","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.139","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.63","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.5.12","lessThanOrEqual":"6.5.*","status":"unaffected","versionType":"semver"},{"version":"6.6.2","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.7","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":"4.15","versionEndExcluding":"4.19.299"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.4.261"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.10.201"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.15.139"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.1.63"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.5.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.6.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.7"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/cf098e937dd125c0317a0d6f261ac2a950a233d6"},{"url":"https://git.kernel.org/stable/c/9fb0eed09e1470cd4021ff52b2b9dfcbcee4c203"},{"url":"https://git.kernel.org/stable/c/d426a2955e45a95b2282764105fcfb110a540453"},{"url":"https://git.kernel.org/stable/c/e0bf076b734a2fab92d8fddc2b8b03462eee7097"},{"url":"https://git.kernel.org/stable/c/44a96796d25809502c75771d40ee693c2e44724e"},{"url":"https://git.kernel.org/stable/c/36d85fa7ae0d6be651c1a745191fa7ef055db43e"},{"url":"https://git.kernel.org/stable/c/fb7b06b59c6887659c6ed0ecd3110835eecbb6a3"},{"url":"https://git.kernel.org/stable/c/eba9ac7abab91c8f6d351460239108bef5e7a0b6"}],"title":"platform/x86: wmi: Fix opening of char device","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2023-52864","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-05-22T18:21:10.578430Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-04T17:24:07.966Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-02T23:11:36.054Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/cf098e937dd125c0317a0d6f261ac2a950a233d6","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/9fb0eed09e1470cd4021ff52b2b9dfcbcee4c203","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/d426a2955e45a95b2282764105fcfb110a540453","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/e0bf076b734a2fab92d8fddc2b8b03462eee7097","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/44a96796d25809502c75771d40ee693c2e44724e","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/36d85fa7ae0d6be651c1a745191fa7ef055db43e","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/fb7b06b59c6887659c6ed0ecd3110835eecbb6a3","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/eba9ac7abab91c8f6d351460239108bef5e7a0b6","tags":["x_transferred"]}]}]}}