Not yet scoredPublished Jul 19, 2026

CVE-2026-63897USB: serial: mct_u232: fix missing interrupt-in transfer sanity check

Updated under an hour ago (Oct 28, 2026, 8:40 AM ET)

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Exploited in the last 30 days

In the Linux kernel, the following vulnerability has been resolved: USB: serial: mct_u232: fix missing interrupt-in transfer sanity check Add the missing sanity check on the size of interrupt-in transfers to avoid parsing stale or uninitialised slab data (and leaking it to user space).

CVSS: Not yet scored
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Awaiting Analysis
Record last updated: Jul 19, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 82b48d70bced1ec8e5f676d1fd5eccc7a44dc418; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 8b93ee5baeef6efabee2c3381907733ad2dbc883; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before a093f3e0c03d25a86d747a655d4b9322ffb2ed87; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 70bb9a2661d34b93a9b83cf83e2b76289a712ef0; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 631b8b7c456567f7a8d26f6fc354c8dd9cc9f832; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before f06bcaba29707f060706483b2020d3cafbe98f9f; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before ed260b56bc9fc878e5dcbb866eab8af0688e0e67; from 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 before 245aba83e3c288e176ed037a1f6b618b09e92ed8	CNA record

References

References

https://git.kernel.org/stable/c/82b48d70bced1ec8e5f676d1fd5eccc7a44dc418
https://git.kernel.org/stable/c/8b93ee5baeef6efabee2c3381907733ad2dbc883
https://git.kernel.org/stable/c/a093f3e0c03d25a86d747a655d4b9322ffb2ed87
https://git.kernel.org/stable/c/70bb9a2661d34b93a9b83cf83e2b76289a712ef0
https://git.kernel.org/stable/c/631b8b7c456567f7a8d26f6fc354c8dd9cc9f832
https://git.kernel.org/stable/c/f06bcaba29707f060706483b2020d3cafbe98f9f
https://git.kernel.org/stable/c/ed260b56bc9fc878e5dcbb866eab8af0688e0e67
https://git.kernel.org/stable/c/245aba83e3c288e176ed037a1f6b618b09e92ed8

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.