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Change History

In the Linux kernel, the following vulnerability has been resolved:

comedi: Fix memory leak in compat_insnlist()

`compat_insnlist()` handles the 32-bit version of the `COMEDI_INSNLIST`
ioctl (whenwhen `CONFIG_COMPAT` is enabled).  It allocates memory to
temporarily hold an array of `struct comedi_insn` converted from the
32-bit version in user space.  This memory is only being freed if there
is a fault while filling the array, otherwise it is leaked.

Add a call to `kfree()` to fix the leak.

kernel.org https://git.kernel.org/stable/c/8d6a21e4cd6a319b0662cbe4ad6199e276ac776a [No types assigned]

kernel.org https://git.kernel.org/stable/c/bb509a6ffed2c8b0950f637ab5779aa818ed1596 [No types assigned]

kernel.org https://git.kernel.org/stable/c/f217b6c1e28ed0b353634ce4d92a155b80bd1671 [No types assigned]