{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43223", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.994Z", "datePublished": "2026-05-06T11:28:22.952Z", "dateUpdated": "2026-05-06T11:28:22.952Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-06T11:28:22.952Z"}, "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/usb/pvrusb2/pvrusb2-hdw.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "da524c939b1e5ba17f10db4bde4bdaf569ffcda6", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "cf459d6ffa5e150ef3744b897f936ff24b52bd15", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "77a63f8efc434ddb04667ed632aade58301a2f13", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "4ba5c7a1aade7090172cbffd4d120bf4cf5ccbde", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "58dd722b6c3debcddb4684fb256c90fee7f063e5", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "2011929f0e4cf6a0a34dd6205911b12276904453", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "5f3ac816861c3b8a5d1a3645b17dc3a99d668d94", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "a8333c8262aed2aedf608c18edd39cf5342680a7", "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/media/usb/pvrusb2/pvrusb2-hdw.c"], "versions": [{"version": "5.10.252", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.202", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.165", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.128", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.16", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.6", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.10.252"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.15.202"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.1.165"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.6.128"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.18.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.19.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "7.0"}]}]}], "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"}], "title": "media: pvrusb2: fix URB leak in pvr2_send_request_ex", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "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."}], "id": "CVE-2026-43223", "lastModified": "2026-05-06T13:07:51.607", "metrics": {}, "published": "2026-05-06T12:16:42.020", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2011929f0e4cf6a0a34dd6205911b12276904453"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4ba5c7a1aade7090172cbffd4d120bf4cf5ccbde"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/58dd722b6c3debcddb4684fb256c90fee7f063e5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5f3ac816861c3b8a5d1a3645b17dc3a99d668d94"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/77a63f8efc434ddb04667ed632aade58301a2f13"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a8333c8262aed2aedf608c18edd39cf5342680a7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/cf459d6ffa5e150ef3744b897f936ff24b52bd15"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/da524c939b1e5ba17f10db4bde4bdaf569ffcda6"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: media: pvrusb2: fix URB leak in pvr2_send_request_ex", "id": "2467240", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467240"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-911", "details": ["A flaw was found in the Linux kernel's pvrusb2 media driver. When the `pvr2_send_request_ex()` function submits a write USB Request Block (URB) but fails to submit a read URB, the write URB remains active. A subsequent attempt to use this URB triggers a warning, which can lead to system instability or a denial of service."], "name": "CVE-2026-43223", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43223\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43223\nhttps://lore.kernel.org/linux-cve-announce/2026050653-CVE-2026-43223-9e04@gregkh/T"], "threat_severity": "Low"}