{"id":"CVE-2026-43223","summary":"media: pvrusb2: fix URB leak in pvr2_send_request_ex","details":"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.","modified":"2026-06-18T03:55:42.134241608Z","published":"2026-05-06T11:28:22.952Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43223.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2011929f0e4cf6a0a34dd6205911b12276904453"},{"type":"WEB","url":"https://git.kernel.org/stable/c/4ba5c7a1aade7090172cbffd4d120bf4cf5ccbde"},{"type":"WEB","url":"https://git.kernel.org/stable/c/58dd722b6c3debcddb4684fb256c90fee7f063e5"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5f3ac816861c3b8a5d1a3645b17dc3a99d668d94"},{"type":"WEB","url":"https://git.kernel.org/stable/c/77a63f8efc434ddb04667ed632aade58301a2f13"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a8333c8262aed2aedf608c18edd39cf5342680a7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/cf459d6ffa5e150ef3744b897f936ff24b52bd15"},{"type":"WEB","url":"https://git.kernel.org/stable/c/da524c939b1e5ba17f10db4bde4bdaf569ffcda6"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43223.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43223"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"d855497edbfbf9e19a17f4a1154bca69cb4bd9ba"},{"fixed":"da524c939b1e5ba17f10db4bde4bdaf569ffcda6"},{"fixed":"cf459d6ffa5e150ef3744b897f936ff24b52bd15"},{"fixed":"77a63f8efc434ddb04667ed632aade58301a2f13"},{"fixed":"4ba5c7a1aade7090172cbffd4d120bf4cf5ccbde"},{"fixed":"58dd722b6c3debcddb4684fb256c90fee7f063e5"},{"fixed":"2011929f0e4cf6a0a34dd6205911b12276904453"},{"fixed":"5f3ac816861c3b8a5d1a3645b17dc3a99d668d94"},{"fixed":"a8333c8262aed2aedf608c18edd39cf5342680a7"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43223.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.18"},{"fixed":"5.10.252"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.202"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.165"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.128"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.75"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43223.json"}}],"schema_version":"1.7.5"}