{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50876", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-30T12:06:07.137Z", "datePublished": "2025-12-30T12:23:16.790Z", "dateUpdated": "2025-12-30T12:23:16.790Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-30T12:23:16.790Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: musb: Fix musb_gadget.c rxstate overflow bug\n\nThe usb function device call musb_gadget_queue() adds the passed\nrequest to musb_ep::req_list,If the (request->length > musb_ep->packet_sz)\nand (is_buffer_mapped(req) return false),the rxstate() will copy all data\nin fifo to request->buf which may cause request->buf out of bounds.\n\nFix it by add the length check :\nfifocnt = min_t(unsigned, request->length - request->actual, fifocnt);"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/musb/musb_gadget.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "826f84ab04a5cafe484ea9c2c85a3930068e5cb7", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "a1008c8b9f357691ce6a8fdb8f157aecb2d79167", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "7c80f3a918ba9aa26fb699ee887064ec3af0396a", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "d6afcab1b48f4051211c50145b9e91be3b1b42c9", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "acf0006f2b2b2ca672988875fd154429aafb2a9b", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "3c84c7f592c4ba38f54ddaddd0115acc443025db", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "a9ccd2ab1becf5dcb6d57e9fcd981f5eaa606c96", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "523313881f0aa5cbbdb548ce575b6e58b202bd76", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "eea4c860c3b366369eff0489d94ee4f0571d467d", "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/usb/musb/musb_gadget.c"], "versions": [{"version": "4.9.331", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.296", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.262", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.220", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.150", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.75", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.17", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.3", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1", "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": "4.9.331"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.14.296"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "4.19.262"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.4.220"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.10.150"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.15.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.19.17"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.0.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/826f84ab04a5cafe484ea9c2c85a3930068e5cb7"}, {"url": "https://git.kernel.org/stable/c/a1008c8b9f357691ce6a8fdb8f157aecb2d79167"}, {"url": "https://git.kernel.org/stable/c/7c80f3a918ba9aa26fb699ee887064ec3af0396a"}, {"url": "https://git.kernel.org/stable/c/d6afcab1b48f4051211c50145b9e91be3b1b42c9"}, {"url": "https://git.kernel.org/stable/c/acf0006f2b2b2ca672988875fd154429aafb2a9b"}, {"url": "https://git.kernel.org/stable/c/3c84c7f592c4ba38f54ddaddd0115acc443025db"}, {"url": "https://git.kernel.org/stable/c/a9ccd2ab1becf5dcb6d57e9fcd981f5eaa606c96"}, {"url": "https://git.kernel.org/stable/c/523313881f0aa5cbbdb548ce575b6e58b202bd76"}, {"url": "https://git.kernel.org/stable/c/eea4c860c3b366369eff0489d94ee4f0571d467d"}], "title": "usb: musb: Fix musb_gadget.c rxstate overflow bug", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: musb: Fix musb_gadget.c rxstate overflow bug\n\nThe usb function device call musb_gadget_queue() adds the passed\nrequest to musb_ep::req_list,If the (request->length > musb_ep->packet_sz)\nand (is_buffer_mapped(req) return false),the rxstate() will copy all data\nin fifo to request->buf which may cause request->buf out of bounds.\n\nFix it by add the length check :\nfifocnt = min_t(unsigned, request->length - request->actual, fifocnt);"}], "id": "CVE-2022-50876", "lastModified": "2025-12-30T13:16:02.610", "metrics": {}, "published": "2025-12-30T13:16:02.610", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3c84c7f592c4ba38f54ddaddd0115acc443025db"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/523313881f0aa5cbbdb548ce575b6e58b202bd76"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7c80f3a918ba9aa26fb699ee887064ec3af0396a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/826f84ab04a5cafe484ea9c2c85a3930068e5cb7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a1008c8b9f357691ce6a8fdb8f157aecb2d79167"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a9ccd2ab1becf5dcb6d57e9fcd981f5eaa606c96"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/acf0006f2b2b2ca672988875fd154429aafb2a9b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d6afcab1b48f4051211c50145b9e91be3b1b42c9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/eea4c860c3b366369eff0489d94ee4f0571d467d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{}