CVE-2026-63897

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

State: Published
Severity: Not scored
Published: Jul 19, 2026
Updated: Jul 19, 2026
Reserved: Jul 19, 2026

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).

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 82b48d70bced1ec8e5f676d1fd5eccc7a44dc418Affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 8b93ee5baeef6efabee2c3381907733ad2dbc883Affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before a093f3e0c03d25a86d747a655d4b9322ffb2ed87Affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 70bb9a2661d34b93a9b83cf83e2b76289a712ef0Affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 631b8b7c456567f7a8d26f6fc354c8dd9cc9f832Affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before f06bcaba29707f060706483b2020d3cafbe98f9fAffected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before ed260b56bc9fc878e5dcbb866eab8af0688e0e67Affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 245aba83e3c288e176ed037a1f6b618b09e92ed8Affected
LinuxLinux	2.6.12Affected before 2.6.12Not affected 5.10.259 through 5.10.Not affected 5.15.210 through 5.15.Not affected 6.1.176 through 6.1.Not affected 6.6.143 through 6.6.Not affected 6.12.93 through 6.12.Not affected 6.18.35 through 6.18.Not affected 7.0.12 through 7.0.*Not affected 7.1 and laterNot affected

Product

Versions

LinuxLinux

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 82b48d70bced1ec8e5f676d1fd5eccc7a44dc418Affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 8b93ee5baeef6efabee2c3381907733ad2dbc883Affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before a093f3e0c03d25a86d747a655d4b9322ffb2ed87Affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 70bb9a2661d34b93a9b83cf83e2b76289a712ef0Affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 631b8b7c456567f7a8d26f6fc354c8dd9cc9f832Affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before f06bcaba29707f060706483b2020d3cafbe98f9fAffected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before ed260b56bc9fc878e5dcbb866eab8af0688e0e67Affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 to before 245aba83e3c288e176ed037a1f6b618b09e92ed8Affected

LinuxLinux

2.6.12Affected
before 2.6.12Not affected
5.10.259 through 5.10.*Not affected
5.15.210 through 5.15.*Not affected
6.1.176 through 6.1.*Not affected
6.6.143 through 6.6.*Not affected
6.12.93 through 6.12.*Not affected
6.18.35 through 6.18.*Not affected
7.0.12 through 7.0.*Not affected
7.1 and laterNot affected

References

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