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).

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < 82b48d70bced1ec8e5f676d1fd5eccc7a44dc418
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < 8b93ee5baeef6efabee2c3381907733ad2dbc883
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < a093f3e0c03d25a86d747a655d4b9322ffb2ed87
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < 70bb9a2661d34b93a9b83cf83e2b76289a712ef0
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < 631b8b7c456567f7a8d26f6fc354c8dd9cc9f832
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < f06bcaba29707f060706483b2020d3cafbe98f9f
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < ed260b56bc9fc878e5dcbb866eab8af0688e0e67
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < 245aba83e3c288e176ed037a1f6b618b09e92ed8
Linux Linux affected
Version Status Constraints
2.6.12 affected —
0 unaffected < 2.6.12
5.10.259 unaffected ≤ 5.10.*
5.15.210 unaffected ≤ 5.15.*
6.1.176 unaffected ≤ 6.1.*
6.6.143 unaffected ≤ 6.6.*
6.12.93 unaffected ≤ 6.12.*
6.18.35 unaffected ≤ 6.18.*
7.0.12 unaffected ≤ 7.0.*
7.1 unaffected ≤ *

No data.

No data.

No data.

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/245aba83e3c288e176ed037a1f6b618b09e92ed8 cve-icon
https://git.kernel.org/stable/c/631b8b7c456567f7a8d26f6fc354c8dd9cc9f832 cve-icon
https://git.kernel.org/stable/c/70bb9a2661d34b93a9b83cf83e2b76289a712ef0 cve-icon
https://git.kernel.org/stable/c/82b48d70bced1ec8e5f676d1fd5eccc7a44dc418 cve-icon
https://git.kernel.org/stable/c/8b93ee5baeef6efabee2c3381907733ad2dbc883 cve-icon
https://git.kernel.org/stable/c/a093f3e0c03d25a86d747a655d4b9322ffb2ed87 cve-icon
https://git.kernel.org/stable/c/ed260b56bc9fc878e5dcbb866eab8af0688e0e67 cve-icon
https://git.kernel.org/stable/c/f06bcaba29707f060706483b2020d3cafbe98f9f cve-icon
History

Sun, 19 Jul 2026 15:30:00 +0000

Type Values Removed Values Added
Description 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).
Title USB: serial: mct_u232: fix missing interrupt-in transfer sanity check
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-07-19T14:55:06.845Z

Reserved: 2026-07-19T07:54:57.019Z

Link: CVE-2026-63897

cve-icon Vulnrichment

No data.

cve-icon NVD

No data.

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.