{"id":"CVE-2026-64338","state":"PUBLISHED","title":"USB: misc: uss720: unregister parport on probe failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: misc: uss720: unregister parport on probe failure\n\nuss720_probe() registers a parport before reading the 1284 register used\nto detect unsupported Belkin F5U002 adapters. If get_1284_register()\nfails, the error path drops the driver private data and the USB device\nreference, but leaves the parport device registered.\n\nLeaving the port registered is more than a private allocation leak:\nparport_register_port() has already reserved a parport number and\nregistered the parport bus device, while pp->private_data still points at\nthe private data that the common error path is about to release.\n\nUndo the pre-announce registration in the get_1284_register() failure\nbranch before jumping to the common private-data cleanup path. Clear\npriv->pp first, matching the disconnect path and avoiding a stale pointer\nin the private data.\n\nThis issue was identified during our ongoing static-analysis research while\nreviewing kernel code.","publishedAt":"2026-07-25T08:50:02.673Z","updatedAt":"2026-08-17T04:53:41.636Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"04736c1bc32197f7d859e01a96ae80a16659931d","status":"affected","lessThan":"6bbb98bec71b577fda4f4b48f7aea5874b04a576","versionType":"git"},{"version":"4eaf2331a77996bbbaf2b824d452ac8ebda7e6e7","status":"affected","lessThan":"93563243377f8e9b46cc94d9c4f06533dd31b141","versionType":"git"},{"version":"8fc246a8a456679993df565d3c9e3da28030ee43","status":"affected","lessThan":"1712fd71a5aaf81e47c747f180535fa963ad7830","versionType":"git"},{"version":"10132ccf99f49b43aeb7470df50d72344a601ad6","status":"affected","lessThan":"0b3073f40cc9f95d5ff0037eb0a06f5c1725a7ea","versionType":"git"},{"version":"3295f1b866bfbcabd625511968e8a5c541f9ab32","status":"affected","lessThan":"5e62d7857fd51b908b8371062ee839739a086bbe","versionType":"git"},{"version":"3295f1b866bfbcabd625511968e8a5c541f9ab32","status":"affected","lessThan":"729b68a5bad71220ae0914c8bdab9488ad5be6c8","versionType":"git"},{"version":"3295f1b866bfbcabd625511968e8a5c541f9ab32","status":"affected","lessThan":"48dd0b2ec9f2e97c486eb68cd0a64b25c1c3df3e","versionType":"git"},{"version":"3295f1b866bfbcabd625511968e8a5c541f9ab32","status":"affected","lessThan":"b4ecbdc4f8830f5586c4a5cfc384c00f20f8f8b3","versionType":"git"},{"version":"02d13616ca30014ed96302e51a5b0e17664e58bc","status":"affected","versionType":"git"},{"version":"dff3b01e91a3df93063b03d0f8dd5c40546687ec","status":"affected","versionType":"git"},{"version":"489d77fbd66375972a380d207f7eb39b00c4a67b","status":"affected","versionType":"git"},{"version":"5.10.221","status":"affected","lessThan":"5.10.261","versionType":"semver"},{"version":"5.15.162","status":"affected","lessThan":"5.15.212","versionType":"semver"},{"version":"6.1.96","status":"affected","lessThan":"6.1.178","versionType":"semver"},{"version":"6.6.36","status":"affected","lessThan":"6.6.145","versionType":"semver"},{"version":"4.19.317","status":"affected","lessThan":"4.20","versionType":"semver"},{"version":"5.4.279","status":"affected","lessThan":"5.5","versionType":"semver"},{"version":"6.9.7","status":"affected","lessThan":"6.10","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/misc/uss720.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.10","versionType":"semver"},{"version":"5.10.261","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.96","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.39","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.4","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/misc/uss720.c"]}],"references":["https://git.kernel.org/stable/c/6bbb98bec71b577fda4f4b48f7aea5874b04a576","https://git.kernel.org/stable/c/93563243377f8e9b46cc94d9c4f06533dd31b141","https://git.kernel.org/stable/c/1712fd71a5aaf81e47c747f180535fa963ad7830","https://git.kernel.org/stable/c/0b3073f40cc9f95d5ff0037eb0a06f5c1725a7ea","https://git.kernel.org/stable/c/5e62d7857fd51b908b8371062ee839739a086bbe","https://git.kernel.org/stable/c/729b68a5bad71220ae0914c8bdab9488ad5be6c8","https://git.kernel.org/stable/c/48dd0b2ec9f2e97c486eb68cd0a64b25c1c3df3e","https://git.kernel.org/stable/c/b4ecbdc4f8830f5586c4a5cfc384c00f20f8f8b3"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/64xxx/CVE-2026-64338.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64338","state":"PUBLISHED","datePublished":"2026-07-25T08:50:02.673Z","dateUpdated":"2026-08-17T04:53:41.636Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-19T15:36:31.781Z"},"containers":{"cna":{"title":"USB: misc: uss720: unregister parport on probe failure","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: misc: uss720: unregister parport on probe failure\n\nuss720_probe() registers a parport before reading the 1284 register used\nto detect unsupported Belkin F5U002 adapters. If get_1284_register()\nfails, the error path drops the driver private data and the USB device\nreference, but leaves the parport device registered.\n\nLeaving the port registered is more than a private allocation leak:\nparport_register_port() has already reserved a parport number and\nregistered the parport bus device, while pp->private_data still points at\nthe private data that the common error path is about to release.\n\nUndo the pre-announce registration in the get_1284_register() failure\nbranch before jumping to the common private-data cleanup path. Clear\npriv->pp first, matching the disconnect path and avoiding a stale pointer\nin the private data.\n\nThis issue was identified during our ongoing static-analysis research while\nreviewing kernel code."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"04736c1bc32197f7d859e01a96ae80a16659931d","status":"affected","lessThan":"6bbb98bec71b577fda4f4b48f7aea5874b04a576","versionType":"git"},{"version":"4eaf2331a77996bbbaf2b824d452ac8ebda7e6e7","status":"affected","lessThan":"93563243377f8e9b46cc94d9c4f06533dd31b141","versionType":"git"},{"version":"8fc246a8a456679993df565d3c9e3da28030ee43","status":"affected","lessThan":"1712fd71a5aaf81e47c747f180535fa963ad7830","versionType":"git"},{"version":"10132ccf99f49b43aeb7470df50d72344a601ad6","status":"affected","lessThan":"0b3073f40cc9f95d5ff0037eb0a06f5c1725a7ea","versionType":"git"},{"version":"3295f1b866bfbcabd625511968e8a5c541f9ab32","status":"affected","lessThan":"5e62d7857fd51b908b8371062ee839739a086bbe","versionType":"git"},{"version":"3295f1b866bfbcabd625511968e8a5c541f9ab32","status":"affected","lessThan":"729b68a5bad71220ae0914c8bdab9488ad5be6c8","versionType":"git"},{"version":"3295f1b866bfbcabd625511968e8a5c541f9ab32","status":"affected","lessThan":"48dd0b2ec9f2e97c486eb68cd0a64b25c1c3df3e","versionType":"git"},{"version":"3295f1b866bfbcabd625511968e8a5c541f9ab32","status":"affected","lessThan":"b4ecbdc4f8830f5586c4a5cfc384c00f20f8f8b3","versionType":"git"},{"version":"02d13616ca30014ed96302e51a5b0e17664e58bc","status":"affected","versionType":"git"},{"version":"dff3b01e91a3df93063b03d0f8dd5c40546687ec","status":"affected","versionType":"git"},{"version":"489d77fbd66375972a380d207f7eb39b00c4a67b","status":"affected","versionType":"git"},{"version":"5.10.221","status":"affected","lessThan":"5.10.261","versionType":"semver"},{"version":"5.15.162","status":"affected","lessThan":"5.15.212","versionType":"semver"},{"version":"6.1.96","status":"affected","lessThan":"6.1.178","versionType":"semver"},{"version":"6.6.36","status":"affected","lessThan":"6.6.145","versionType":"semver"},{"version":"4.19.317","status":"affected","lessThan":"4.20","versionType":"semver"},{"version":"5.4.279","status":"affected","lessThan":"5.5","versionType":"semver"},{"version":"6.9.7","status":"affected","lessThan":"6.10","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/misc/uss720.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.10","versionType":"semver"},{"version":"5.10.261","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.96","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.39","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.4","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/usb/misc/uss720.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/6bbb98bec71b577fda4f4b48f7aea5874b04a576"},{"url":"https://git.kernel.org/stable/c/93563243377f8e9b46cc94d9c4f06533dd31b141"},{"url":"https://git.kernel.org/stable/c/1712fd71a5aaf81e47c747f180535fa963ad7830"},{"url":"https://git.kernel.org/stable/c/0b3073f40cc9f95d5ff0037eb0a06f5c1725a7ea"},{"url":"https://git.kernel.org/stable/c/5e62d7857fd51b908b8371062ee839739a086bbe"},{"url":"https://git.kernel.org/stable/c/729b68a5bad71220ae0914c8bdab9488ad5be6c8"},{"url":"https://git.kernel.org/stable/c/48dd0b2ec9f2e97c486eb68cd0a64b25c1c3df3e"},{"url":"https://git.kernel.org/stable/c/b4ecbdc4f8830f5586c4a5cfc384c00f20f8f8b3"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T04:53:41.636Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.221","versionEndExcluding":"5.10.261"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.162","versionEndExcluding":"5.15.212"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.1.96","versionEndExcluding":"6.1.178"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.6.36","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.10","versionEndExcluding":"6.12.96"},{"vulnerable":true,"criteria":"cpe:2.3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