{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-47073","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2024-02-29T22:33:44.297Z","datePublished":"2024-03-01T21:15:11.466Z","dateUpdated":"2025-05-04T07:03:37.437Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T07:03:37.437Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nplatform/x86: dell-smbios-wmi: Fix oops on rmmod dell_smbios\n\ninit_dell_smbios_wmi() only registers the dell_smbios_wmi_driver on systems\nwhere the Dell WMI interface is supported. While exit_dell_smbios_wmi()\nunregisters it unconditionally, this leads to the following oops:\n\n[  175.722921] ------------[ cut here ]------------\n[  175.722925] Unexpected driver unregister!\n[  175.722939] WARNING: CPU: 1 PID: 3630 at drivers/base/driver.c:194 driver_unregister+0x38/0x40\n...\n[  175.723089] Call Trace:\n[  175.723094]  cleanup_module+0x5/0xedd [dell_smbios]\n...\n[  175.723148] ---[ end trace 064c34e1ad49509d ]---\n\nMake the unregister happen on the same condition the register happens\nto fix this."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/platform/x86/dell/dell-smbios-wmi.c"],"versions":[{"version":"1a258e670434f404a4500b65ba1afea2c2b29bba","lessThan":"75cfc833da4a2111106d4c134e93e0c7f41e35e7","status":"affected","versionType":"git"},{"version":"1a258e670434f404a4500b65ba1afea2c2b29bba","lessThan":"6fa78a6b9a3beb676a010dc489c1257f7e432525","status":"affected","versionType":"git"},{"version":"1a258e670434f404a4500b65ba1afea2c2b29bba","lessThan":"0cf036a0d325200e6c27b90908e51195bbc557b1","status":"affected","versionType":"git"},{"version":"1a258e670434f404a4500b65ba1afea2c2b29bba","lessThan":"8d746ea7c687bab060a2c05a35c449302406cd52","status":"affected","versionType":"git"},{"version":"1a258e670434f404a4500b65ba1afea2c2b29bba","lessThan":"3a53587423d25c87af4b4126a806a0575104b45e","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/dell/dell-smbios-wmi.c"],"versions":[{"version":"4.15","status":"affected"},{"version":"0","lessThan":"4.15","status":"unaffected","versionType":"semver"},{"version":"4.19.192","lessThanOrEqual":"4.19.*","status":"unaffected","versionType":"semver"},{"version":"5.4.122","lessThanOrEqual":"5.4.*","status":"unaffected","versionType":"semver"},{"version":"5.10.40","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.12.7","lessThanOrEqual":"5.12.*","status":"unaffected","versionType":"semver"},{"version":"5.13","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":"4.19.192"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.4.122"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.10.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.12.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.13"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/75cfc833da4a2111106d4c134e93e0c7f41e35e7"},{"url":"https://git.kernel.org/stable/c/6fa78a6b9a3beb676a010dc489c1257f7e432525"},{"url":"https://git.kernel.org/stable/c/0cf036a0d325200e6c27b90908e51195bbc557b1"},{"url":"https://git.kernel.org/stable/c/8d746ea7c687bab060a2c05a35c449302406cd52"},{"url":"https://git.kernel.org/stable/c/3a53587423d25c87af4b4126a806a0575104b45e"}],"title":"platform/x86: dell-smbios-wmi: Fix oops on rmmod dell_smbios","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2021-47073","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-03-05T22:11:59.293322Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2024-06-04T17:13:23.078Z"}},{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T05:24:39.704Z"},"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/75cfc833da4a2111106d4c134e93e0c7f41e35e7","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/6fa78a6b9a3beb676a010dc489c1257f7e432525","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/0cf036a0d325200e6c27b90908e51195bbc557b1","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/8d746ea7c687bab060a2c05a35c449302406cd52","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/3a53587423d25c87af4b4126a806a0575104b45e","tags":["x_transferred"]}]}]}}