{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63928", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T07:54:57.021Z", "datePublished": "2026-07-19T14:55:28.593Z", "dateUpdated": "2026-07-19T14:55:28.593Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-19T14:55:28.593Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: omninet: fix memory corruption with small endpoint\n\nMake sure that the bulk-out buffers are at least as large as the\nhardcoded transfer size to avoid user-controlled slab corruption should\na malicious device report a smaller endpoint max packet size than\nexpected."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/usb/serial/omninet.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "180996f0ca774001944e4afa452d569ba2f6455c", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "b496e25ead5976bce2891dacaed09beb53a54f9f", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "4e7d32189d6219beb7db37cd0ea36b6bac7dfedb", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "9a3860454bdfb765f936965e975c594352602ffc", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "0bda1893e4cc4ad2b7dcdbaca246f2af688c6c2a", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "0fee0ccac29e088d4bfab7e2d075725dcecd803d", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "f34cf2928387fba01a78381f3258c7e1428897d9", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "60df93d30f9bdd27db17c4d80ed80ef718d7226b", "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/serial/omninet.c"], "versions": [{"version": "2.6.12", "status": "affected"}, {"version": "0", "lessThan": "2.6.12", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.259", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.210", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.176", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.143", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.93", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.35", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.12", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "5.10.259"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "5.15.210"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.1.176"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.6.143"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.12.93"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "6.18.35"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "7.0.12"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.12", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/180996f0ca774001944e4afa452d569ba2f6455c"}, {"url": "https://git.kernel.org/stable/c/b496e25ead5976bce2891dacaed09beb53a54f9f"}, {"url": "https://git.kernel.org/stable/c/4e7d32189d6219beb7db37cd0ea36b6bac7dfedb"}, {"url": "https://git.kernel.org/stable/c/9a3860454bdfb765f936965e975c594352602ffc"}, {"url": "https://git.kernel.org/stable/c/0bda1893e4cc4ad2b7dcdbaca246f2af688c6c2a"}, {"url": "https://git.kernel.org/stable/c/0fee0ccac29e088d4bfab7e2d075725dcecd803d"}, {"url": "https://git.kernel.org/stable/c/f34cf2928387fba01a78381f3258c7e1428897d9"}, {"url": "https://git.kernel.org/stable/c/60df93d30f9bdd27db17c4d80ed80ef718d7226b"}], "title": "USB: serial: omninet: fix memory corruption with small endpoint", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{}

{"bugzilla": {"description": "kernel: USB: serial: omninet: fix memory corruption with small endpoint", "id": "2502472", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2502472"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-787", "details": ["A flaw was found in the Linux kernel's USB serial omninet driver. A malicious Universal Serial Bus (USB) device could exploit this by reporting a smaller maximum packet size than anticipated. This action would cause the system to allocate undersized data buffers, leading to memory corruption. Such corruption could allow an attacker to trigger a denial of service or potentially execute unauthorized code."], "name": "CVE-2026-63928", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-07-19T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-63928\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-63928\nhttps://lore.kernel.org/linux-cve-announce/2026071949-CVE-2026-63928-7715@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[1da177e4c3f41524e886b7f1b8a0c1fc7321cac2,180996f0ca774001944e4afa452d569ba2f6455c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b496e25ead5976bce2891dacaed09beb53a54f9f,4e7d32189d6219beb7db37cd0ea36b6bac7dfedb)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[4e7d32189d6219beb7db37cd0ea36b6bac7dfedb,9a3860454bdfb765f936965e975c594352602ffc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[9a3860454bdfb765f936965e975c594352602ffc,0bda1893e4cc4ad2b7dcdbaca246f2af688c6c2a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0bda1893e4cc4ad2b7dcdbaca246f2af688c6c2a,0fee0ccac29e088d4bfab7e2d075725dcecd803d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0fee0ccac29e088d4bfab7e2d075725dcecd803d,f34cf2928387fba01a78381f3258c7e1428897d9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f34cf2928387fba01a78381f3258c7e1428897d9,60df93d30f9bdd27db17c4d80ed80ef718d7226b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[60df93d30f9bdd27db17c4d80ed80ef718d7226b,1da177e4c3f41524e886b7f1b8a0c1fc7321cac2)"}}], "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": "2.6.12"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,2.6.12)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.259,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.210,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.176,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.143,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.93,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.35,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.0.12,7.1.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1,*]"}}], "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": "2026-07-21T15:15:08.092290+00:00", "updated": "2026-07-21T15:15:08.092385+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}