CVE-2026-63898
N/A
N/A
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 94edbbc5fe00d03cfe1d4e690d7d2cd36317a935 | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < bd2ddb3fe9052ad8703593bbec26ecc7ca92869e | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 39e295a91e80f3b91f61c7ada2bde434dcaba20d | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 90dbad14b109e5fdfb4934ff61e561d11ba3742d | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6cb48f8890f9b2051d7c34823057296a536a31c5 | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < d8fdf33d6fcfb90cbec26299baf2352c84b2d768 | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 57f332af1745014cd7e40414814ffaa6bc7d3b5b | affected |
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 915b36d701950503c4ea0f6e314b10868e59fce3 | affected |
| Linux | Linux | 2.6.12 | affected |
| Linux | Linux | 0 < 2.6.12 | unaffected |
| Linux | Linux | 5.10.259 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.210 <= 5.15.* | unaffected |
| Linux | Linux | 6.1.176 <= 6.1.* | unaffected |
| Linux | Linux | 6.6.143 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.94 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.35 <= 6.18.* | unaffected |
| Linux | Linux | 7.0.12 <= 7.0.* | unaffected |
| Linux | Linux | 7.1 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/94edbbc5fe00d03cfe1d4e690d7d2cd36317a935
- https://git.kernel.org/stable/c/bd2ddb3fe9052ad8703593bbec26ecc7ca92869e
- https://git.kernel.org/stable/c/39e295a91e80f3b91f61c7ada2bde434dcaba20d
- https://git.kernel.org/stable/c/90dbad14b109e5fdfb4934ff61e561d11ba3742d
- https://git.kernel.org/stable/c/6cb48f8890f9b2051d7c34823057296a536a31c5
- https://git.kernel.org/stable/c/d8fdf33d6fcfb90cbec26299baf2352c84b2d768
- https://git.kernel.org/stable/c/57f332af1745014cd7e40414814ffaa6bc7d3b5b
- https://git.kernel.org/stable/c/915b36d701950503c4ea0f6e314b10868e59fce3
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