CVE-2026-63899
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: USB: serial: mxuport: fix memory corruption with small endpoint Make sure that the bulk-out endpoint max packet size is at least eight bytes to avoid user-controlled slab corruption should a malicious device report a smaller size.
Severity
HIGH
CVSS score
7.8
(v3.1)
Vulnerability status
Analyzed
Source identifier
416baaa9-dc9f-4396-8d5f-8c081fb06d67
Published
2026-07-19 16:17:07.497000
Last modified
2026-10-30 14:38:26.447000
View original CVE JSON
{
"id": "CVE-2026-63899",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2026-07-19T16:17:07.497",
"lastModified": "2026-10-30T14:38:26.447",
"vulnStatus": "Analyzed",
"cveTags": [],
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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nUSB: serial: mxuport: fix memory corruption with small endpoint\n\nMake sure that the bulk-out endpoint max packet size is at least eight\nbytes to avoid user-controlled slab corruption should a malicious device\nreport a smaller size."
}
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"metrics": {
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"scope": "UNCHANGED",
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