{"id":"CVE-2022-49312","state":"PUBLISHED","title":"staging: rtl8712: fix a potential memory leak in r871xu_drv_init()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8712: fix a potential memory leak in r871xu_drv_init()\n\nIn r871xu_drv_init(), if r8712_init_drv_sw() fails, then the memory\nallocated by r8712_alloc_io_queue() in r8712_usb_dvobj_init() is not\nproperly released as there is no action will be performed by\nr8712_usb_dvobj_deinit().\nTo properly release it, we should call r8712_free_io_queue() in\nr8712_usb_dvobj_deinit().\n\nBesides, in r871xu_dev_remove(), r8712_usb_dvobj_deinit() will be called\nby r871x_dev_unload() under condition `padapter->bup` and\nr8712_free_io_queue() is called by r8712_free_drv_sw().\nHowever, r8712_usb_dvobj_deinit() does not rely on `padapter->bup` and\ncalling r8712_free_io_queue() in r8712_free_drv_sw() is negative for\nbetter understading the code.\nSo I move r8712_usb_dvobj_deinit() into r871xu_dev_remove(), and remove\nr8712_free_io_queue() from r8712_free_drv_sw().","publishedAt":"2025-02-26T02:10:41.627Z","updatedAt":"2026-05-11T18:57:15.332Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef","status":"affected","lessThan":"5a89a92efc342dd7c44b6056da87debc598f9c73","versionType":"git"},{"version":"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef","status":"affected","lessThan":"8eb42d6d10f8fe509117859defddf9e72b4fa4d0","versionType":"git"},{"version":"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef","status":"affected","lessThan":"205e039fead72e87ad2838f5e649a4c4834f648b","versionType":"git"},{"version":"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef","status":"affected","lessThan":"a2882b8baad068d21c99fb2ab5a85a2bdbd5b834","versionType":"git"},{"version":"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef","status":"affected","lessThan":"7288ff561de650d4139fab80e9cb0da9b5b32434","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/staging/rtl8712/os_intfs.c","drivers/staging/rtl8712/usb_intf.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.37","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.37","versionType":"semver"},{"version":"5.10.122","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.47","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.15","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.4","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/staging/rtl8712/os_intfs.c","drivers/staging/rtl8712/usb_intf.c"]}],"references":["https://git.kernel.org/stable/c/5a89a92efc342dd7c44b6056da87debc598f9c73","https://git.kernel.org/stable/c/8eb42d6d10f8fe509117859defddf9e72b4fa4d0","https://git.kernel.org/stable/c/205e039fead72e87ad2838f5e649a4c4834f648b","https://git.kernel.org/stable/c/a2882b8baad068d21c99fb2ab5a85a2bdbd5b834","https://git.kernel.org/stable/c/7288ff561de650d4139fab80e9cb0da9b5b32434"],"weaknesses":["CWE-401"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49312.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49312","state":"PUBLISHED","datePublished":"2025-02-26T02:10:41.627Z","dateUpdated":"2026-05-11T18:57:15.332Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:08:31.536Z"},"containers":{"cna":{"title":"staging: rtl8712: fix a potential memory leak in r871xu_drv_init()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8712: fix a potential memory leak in r871xu_drv_init()\n\nIn r871xu_drv_init(), if r8712_init_drv_sw() fails, then the memory\nallocated by r8712_alloc_io_queue() in r8712_usb_dvobj_init() is not\nproperly released as there is no action will be performed by\nr8712_usb_dvobj_deinit().\nTo properly release it, we should call r8712_free_io_queue() in\nr8712_usb_dvobj_deinit().\n\nBesides, in r871xu_dev_remove(), r8712_usb_dvobj_deinit() will be called\nby r871x_dev_unload() under condition `padapter->bup` and\nr8712_free_io_queue() is called by r8712_free_drv_sw().\nHowever, r8712_usb_dvobj_deinit() does not rely on `padapter->bup` and\ncalling r8712_free_io_queue() in r8712_free_drv_sw() is negative for\nbetter understading the code.\nSo I move r8712_usb_dvobj_deinit() into r871xu_dev_remove(), and remove\nr8712_free_io_queue() from r8712_free_drv_sw()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef","status":"affected","lessThan":"5a89a92efc342dd7c44b6056da87debc598f9c73","versionType":"git"},{"version":"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef","status":"affected","lessThan":"8eb42d6d10f8fe509117859defddf9e72b4fa4d0","versionType":"git"},{"version":"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef","status":"affected","lessThan":"205e039fead72e87ad2838f5e649a4c4834f648b","versionType":"git"},{"version":"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef","status":"affected","lessThan":"a2882b8baad068d21c99fb2ab5a85a2bdbd5b834","versionType":"git"},{"version":"2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef","status":"affected","lessThan":"7288ff561de650d4139fab80e9cb0da9b5b32434","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/staging/rtl8712/os_intfs.c","drivers/staging/rtl8712/usb_intf.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.37","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.37","versionType":"semver"},{"version":"5.10.122","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.47","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.17.15","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.4","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/staging/rtl8712/os_intfs.c","drivers/staging/rtl8712/usb_intf.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/5a89a92efc342dd7c44b6056da87debc598f9c73"},{"url":"https://git.kernel.org/stable/c/8eb42d6d10f8fe509117859defddf9e72b4fa4d0"},{"url":"https://git.kernel.org/stable/c/205e039fead72e87ad2838f5e649a4c4834f648b"},{"url":"https://git.kernel.org/stable/c/a2882b8baad068d21c99fb2ab5a85a2bdbd5b834"},{"url":"https://git.kernel.org/stable/c/7288ff561de650d4139fab80e9cb0da9b5b32434"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:57:15.332Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"5.10.122"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"5.15.47"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"5.17.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"5.18.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.37","versionEndExcluding":"5.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49312","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:44:14.240096Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-401","lang":"en","type":"CWE","description":"CWE-401 Missing Release of Memory after Effective Lifetime"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:46:57.896Z"}}]}}}