CVE-2026-63897

Summary

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).

Affected Software

VendorProductVersion RangeStatus
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 82b48d70bced1ec8e5f676d1fd5eccc7a44dc418affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 8b93ee5baeef6efabee2c3381907733ad2dbc883affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < a093f3e0c03d25a86d747a655d4b9322ffb2ed87affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 70bb9a2661d34b93a9b83cf83e2b76289a712ef0affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 631b8b7c456567f7a8d26f6fc354c8dd9cc9f832affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f06bcaba29707f060706483b2020d3cafbe98f9faffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ed260b56bc9fc878e5dcbb866eab8af0688e0e67affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 245aba83e3c288e176ed037a1f6b618b09e92ed8affected
LinuxLinux2.6.12affected
LinuxLinux0 < 2.6.12unaffected
LinuxLinux5.10.259 <= 5.10.*unaffected
LinuxLinux5.15.210 <= 5.15.*unaffected
LinuxLinux6.1.176 <= 6.1.*unaffected
LinuxLinux6.6.143 <= 6.6.*unaffected
LinuxLinux6.12.93 <= 6.12.*unaffected
LinuxLinux6.18.35 <= 6.18.*unaffected
LinuxLinux7.0.12 <= 7.0.*unaffected
LinuxLinux7.1 <= *unaffected

Weaknesses

References