{"id":"CVE-2026-43223","state":"PUBLISHED","title":"media: pvrusb2: fix URB leak in pvr2_send_request_ex","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: pvrusb2: fix URB leak in pvr2_send_request_ex\n\nWhen pvr2_send_request_ex() submits a write URB successfully but fails to\nsubmit the read URB (e.g. returns -ENOMEM), it returns immediately without\nwaiting for the write URB to complete. Since the driver reuses the same\nURB structure, a subsequent call to pvr2_send_request_ex() attempts to\nsubmit the still-active write URB, triggering a 'URB submitted while\nactive' warning in usb_submit_urb().\n\nFix this by ensuring the write URB is unlinked and waited upon if the read\nURB submission fails.","publishedAt":"2026-05-06T11:28:22.952Z","updatedAt":"2026-05-11T22:20:23.149Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"da524c939b1e5ba17f10db4bde4bdaf569ffcda6","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"cf459d6ffa5e150ef3744b897f936ff24b52bd15","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"77a63f8efc434ddb04667ed632aade58301a2f13","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"4ba5c7a1aade7090172cbffd4d120bf4cf5ccbde","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"58dd722b6c3debcddb4684fb256c90fee7f063e5","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"2011929f0e4cf6a0a34dd6205911b12276904453","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"5f3ac816861c3b8a5d1a3645b17dc3a99d668d94","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"a8333c8262aed2aedf608c18edd39cf5342680a7","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/pvrusb2/pvrusb2-hdw.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.18","versionType":"semver"},{"version":"5.10.252","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.202","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.165","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/pvrusb2/pvrusb2-hdw.c"]}],"references":["https://git.kernel.org/stable/c/da524c939b1e5ba17f10db4bde4bdaf569ffcda6","https://git.kernel.org/stable/c/cf459d6ffa5e150ef3744b897f936ff24b52bd15","https://git.kernel.org/stable/c/77a63f8efc434ddb04667ed632aade58301a2f13","https://git.kernel.org/stable/c/4ba5c7a1aade7090172cbffd4d120bf4cf5ccbde","https://git.kernel.org/stable/c/58dd722b6c3debcddb4684fb256c90fee7f063e5","https://git.kernel.org/stable/c/2011929f0e4cf6a0a34dd6205911b12276904453","https://git.kernel.org/stable/c/5f3ac816861c3b8a5d1a3645b17dc3a99d668d94","https://git.kernel.org/stable/c/a8333c8262aed2aedf608c18edd39cf5342680a7"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43223.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43223","state":"PUBLISHED","datePublished":"2026-05-06T11:28:22.952Z","dateUpdated":"2026-05-11T22:20:23.149Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-01T14:12:55.994Z"},"containers":{"cna":{"title":"media: pvrusb2: fix URB leak in pvr2_send_request_ex","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: pvrusb2: fix URB leak in pvr2_send_request_ex\n\nWhen pvr2_send_request_ex() submits a write URB successfully but fails to\nsubmit the read URB (e.g. returns -ENOMEM), it returns immediately without\nwaiting for the write URB to complete. Since the driver reuses the same\nURB structure, a subsequent call to pvr2_send_request_ex() attempts to\nsubmit the still-active write URB, triggering a 'URB submitted while\nactive' warning in usb_submit_urb().\n\nFix this by ensuring the write URB is unlinked and waited upon if the read\nURB submission fails."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"da524c939b1e5ba17f10db4bde4bdaf569ffcda6","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"cf459d6ffa5e150ef3744b897f936ff24b52bd15","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"77a63f8efc434ddb04667ed632aade58301a2f13","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"4ba5c7a1aade7090172cbffd4d120bf4cf5ccbde","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"58dd722b6c3debcddb4684fb256c90fee7f063e5","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"2011929f0e4cf6a0a34dd6205911b12276904453","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"5f3ac816861c3b8a5d1a3645b17dc3a99d668d94","versionType":"git"},{"version":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba","status":"affected","lessThan":"a8333c8262aed2aedf608c18edd39cf5342680a7","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/pvrusb2/pvrusb2-hdw.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.18","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.18","versionType":"semver"},{"version":"5.10.252","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.202","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.165","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/usb/pvrusb2/pvrusb2-hdw.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/da524c939b1e5ba17f10db4bde4bdaf569ffcda6"},{"url":"https://git.kernel.org/stable/c/cf459d6ffa5e150ef3744b897f936ff24b52bd15"},{"url":"https://git.kernel.org/stable/c/77a63f8efc434ddb04667ed632aade58301a2f13"},{"url":"https://git.kernel.org/stable/c/4ba5c7a1aade7090172cbffd4d120bf4cf5ccbde"},{"url":"https://git.kernel.org/stable/c/58dd722b6c3debcddb4684fb256c90fee7f063e5"},{"url":"https://git.kernel.org/stable/c/2011929f0e4cf6a0a34dd6205911b12276904453"},{"url":"https://git.kernel.org/stable/c/5f3ac816861c3b8a5d1a3645b17dc3a99d668d94"},{"url":"https://git.kernel.org/stable/c/a8333c8262aed2aedf608c18edd39cf5342680a7"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:20:23.149Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.18","versionEndExcluding":"5.10.252"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.18","versionEndExcluding":"5.15.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.18","versionEndExcluding":"6.1.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.18","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.18","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.18","versionEndExcluding":"6.18.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.18","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.18","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}