Description

In the Linux kernel, the following vulnerability has been resolved: mtdchar: fix integer overflow in read/write ioctls The "req.start" and "req.len" variables are u64 values that come from the user at the start of the function. We mask away the high 32 bits of "req.len" so that's capped at U32_MAX but the "req.start" variable can go up to U64_MAX which means that the addition can still integer overflow. Use check_add_overflow() to fix this bug.

INFO

Published Date :

2025-12-16T14:08:30.940Z

Last Modified :

2025-12-16T14:08:30.940Z

Source :

Linux
AFFECTED PRODUCTS

The following products are affected by CVE-2025-68237 vulnerability.

Vendors Products
Linux
  • Linux Kernel

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