Re: [PATCH] USB: serial: safe_serial: fix memory corruption with small endpoint

[Greg Kroah-Hartman]

On Fri, May 22, 2026 at 04:22:18PM +0200, Johan Hovold wrote:
> Make sure that the bulk-out buffer size is at least eight bytes to avoid
> user-controlled slab corruption in "safe" mode should a malicious device
> report a smaller size.
> 
> Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
> ---
>  drivers/usb/serial/safe_serial.c | 11 +++++++++++
>  1 file changed, 11 insertions(+)

Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>