CVE-2026-63898

CVE CVE-2026-63898EUVD EUVD-2026-45671Published 2026-07-19T14:55:07.000Z

What the advisory describes

In the Linux kernel, the following vulnerability has been resolved: USB: serial: mct_u232: fix memory corruption with small endpoint The driver overrides the maximum transfer size for a specific device which only accepts 16 byte packets for its 32 byte bulk-out endpoint. Make sure to never increase the maximum transfer size to prevent slab corruption should a malicious device report a smaller endpoint max packet size than expected.

Source: EUVD (ENISA), in the words of the advisory.

Products the advisory names

These come from the advisory itself, not from any check we performed.

Linux — Linux patch: 6.6.143; 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <6cb48f8890f9b2051d7c34823057296a536a31c5; 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <915b36d701950503c4ea0f6e314b10868e59fce3; patch: 7.0.12; patch: 5.15.210; 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <d8fdf33d6fcfb90cbec26299baf2352c84b2d768; patch: 5.10.259; patch: 0; 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <bd2ddb3fe9052ad8703593bbec26ecc7ca92869e; 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <90dbad14b109e5fdfb4934ff61e561d11ba3742d; patch: 6.1.176; patch: 6.18.35; patch: 7.1; patch: 6.12.94; 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <94edbbc5fe00d03cfe1d4e690d7d2cd36317a935; 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <57f332af1745014cd7e40414814ffaa6bc7d3b5b; 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 <39e295a91e80f3b91f61c7ada2bde434dcaba20d; 2.6.12

The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.

Carried in the product catalogue

An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.

Linux — Linux

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