CVE-2026-63897
mediumIn the Linux kernel, the following vulnerability has been resolved: USB: serial: mct_u232: fix missing interrupt-in transfer sanity check Add the missing san…
Vendor / product: Linux — linux kernel
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
5.5
5.5 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-07-19 16:17
Modified: 2026-10-30 14:38
NVD status: Analyzed
Last synced 3 days ago
Verified against the source API 2026-10-30 14:40 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
linux / linux_kernel ≥2.6.12.1 <5.10.259, ≥5.11 <5.15.210, ≥5.16 <6.1.176, ≥6.2 <6.6.143, ≥6.7 <6.12.93, ≥6.13 <6.18.35
Weakness classification (CWE)
NVD-CWE-noinfo
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Patch / mitigation: https://git.kernel.org/stable/c/245aba83e3c288e176ed037a1f6b618b09e92ed8
Patch / mitigation: https://git.kernel.org/stable/c/631b8b7c456567f7a8d26f6fc354c8dd9cc9f832
Patch / mitigation: https://git.kernel.org/stable/c/70bb9a2661d34b93a9b83cf83e2b76289a712ef0
Patch / mitigation: https://git.kernel.org/stable/c/82b48d70bced1ec8e5f676d1fd5eccc7a44dc418
Patch / mitigation: https://git.kernel.org/stable/c/8b93ee5baeef6efabee2c3381907733ad2dbc883
Patch / mitigation: https://git.kernel.org/stable/c/a093f3e0c03d25a86d747a655d4b9322ffb2ed87
Patch / mitigation: https://git.kernel.org/stable/c/ed260b56bc9fc878e5dcbb866eab8af0688e0e67
Patch / mitigation: https://git.kernel.org/stable/c/f06bcaba29707f060706483b2020d3cafbe98f9f
References
- https://git.kernel.org/stable/c/245aba83e3c288e176ed037a1f6b618b09e92ed8 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/631b8b7c456567f7a8d26f6fc354c8dd9cc9f832 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/70bb9a2661d34b93a9b83cf83e2b76289a712ef0 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/82b48d70bced1ec8e5f676d1fd5eccc7a44dc418 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/8b93ee5baeef6efabee2c3381907733ad2dbc883 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/a093f3e0c03d25a86d747a655d4b9322ffb2ed87 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/ed260b56bc9fc878e5dcbb866eab8af0688e0e67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
- https://git.kernel.org/stable/c/f06bcaba29707f060706483b2020d3cafbe98f9f 416baaa9-dc9f-4396-8d5f-8c081fb06d67
Data sources
NVD CVE API 2.0 — fetched 2026-10-30 14:40 UTC · record ↗