{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64338", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.781Z", "datePublished": "2026-07-25T08:50:02.673Z", "dateUpdated": "2026-08-17T04:53:41.636Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T04:53:41.636Z"}, "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/misc/uss720.c"], "versions": [{"version": "04736c1bc32197f7d859e01a96ae80a16659931d", "lessThan": "6bbb98bec71b577fda4f4b48f7aea5874b04a576", "status": "affected", "versionType": "git"}, {"version": "4eaf2331a77996bbbaf2b824d452ac8ebda7e6e7", "lessThan": "93563243377f8e9b46cc94d9c4f06533dd31b141", "status": "affected", "versionType": "git"}, {"version": "8fc246a8a456679993df565d3c9e3da28030ee43", "lessThan": "1712fd71a5aaf81e47c747f180535fa963ad7830", "status": "affected", "versionType": "git"}, {"version": "10132ccf99f49b43aeb7470df50d72344a601ad6", "lessThan": 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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."}], "id": "CVE-2026-64338", "lastModified": "2026-08-17T05:17:35.263", "metrics": {}, "published": "2026-07-25T10:17:15.717", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0b3073f40cc9f95d5ff0037eb0a06f5c1725a7ea"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1712fd71a5aaf81e47c747f180535fa963ad7830"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/48dd0b2ec9f2e97c486eb68cd0a64b25c1c3df3e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5e62d7857fd51b908b8371062ee839739a086bbe"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6bbb98bec71b577fda4f4b48f7aea5874b04a576"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/729b68a5bad71220ae0914c8bdab9488ad5be6c8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/93563243377f8e9b46cc94d9c4f06533dd31b141"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b4ecbdc4f8830f5586c4a5cfc384c00f20f8f8b3"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: USB: misc: uss720: unregister parport on probe failure", "id": "2507188", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507188"}, "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-772", "details": ["A flaw was found in the Linux kernel's `uss720` driver. When the `uss720_probe()` function attempts to initialize a USB parallel port (parport) device, it registers the parport but may fail to unregister it if a subsequent hardware register read operation fails. This improper resource management leaves a registered parport device with a pointer to memory that has already been released, potentially leading to system instability or a denial of service (DoS) condition."], "name": "CVE-2026-64338", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64338\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64338\nhttps://lore.kernel.org/linux-cve-announce/2026072515-CVE-2026-64338-97e0@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[04736c1bc32197f7d859e01a96ae80a16659931d,6bbb98bec71b577fda4f4b48f7aea5874b04a576)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4eaf2331a77996bbbaf2b824d452ac8ebda7e6e7,93563243377f8e9b46cc94d9c4f06533dd31b141)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[8fc246a8a456679993df565d3c9e3da28030ee43,1712fd71a5aaf81e47c747f180535fa963ad7830)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[10132ccf99f49b43aeb7470df50d72344a601ad6,0b3073f40cc9f95d5ff0037eb0a06f5c1725a7ea)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3295f1b866bfbcabd625511968e8a5c541f9ab32,5e62d7857fd51b908b8371062ee839739a086bbe)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3295f1b866bfbcabd625511968e8a5c541f9ab32,729b68a5bad71220ae0914c8bdab9488ad5be6c8)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3295f1b866bfbcabd625511968e8a5c541f9ab32,48dd0b2ec9f2e97c486eb68cd0a64b25c1c3df3e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3295f1b866bfbcabd625511968e8a5c541f9ab32,b4ecbdc4f8830f5586c4a5cfc384c00f20f8f8b3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "02d13616ca30014ed96302e51a5b0e17664e58bc"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "dff3b01e91a3df93063b03d0f8dd5c40546687ec"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "489d77fbd66375972a380d207f7eb39b00c4a67b"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.10.221,5.10.261)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.15.162,5.15.212)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.1.96,6.1.178)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.6.36,6.6.145)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[4.19.317,4.20)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[5.4.279,5.5)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.9.7,6.10)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.10"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.10)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.10.261,5.10.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[5.15.212,5.15.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.178,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.145,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.96,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.39,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1.4,7.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.2-rc3,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-07-25T13:45:03.872008+00:00", "updated": "2026-08-04T14:45:03.306647+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}