ACK: [SRU][B][F][PATCH 0/4] CVE-2022-3903

[Tim Gardner]

On 3/10/23 11:20 AM, Magali Lemes wrote:
> [Impact]
> An incorrect read request flaw was found in the Infrared Transceiver USB
> driver in the Linux kernel. This issue occurs when a user attaches a
> malicious USB device. A local user could use this flaw to starve the
> resources, causing denial of service or potentially crashing the system.
> 
> [Backport]
> The fix is done by replacing the usb_control_msg() calls with
> usb_control_msg_send/recv() ones during the device initialization. The
> functions usb_control_msg_send/recv() are first defined in commit 719b8f2850,
> adjusted in commit ddd1198e3e, and need the definition of the
> usb_pipe_type_check() function, introduced in commit fcc2cc1f35. Therefore, we
> need to cherry-pick/backport 4 commits.
> 
> [Test]
> Compiled.
> 
> [Regression potential]
> We expect minimal regression, since there was no functional change.
> 
> Alan Stern (1):
>    media: mceusb: Use new usb_control_msg_*() routines
> 
> Greg Kroah-Hartman (2):
>    USB: move snd_usb_pipe_sanity_check into the USB core
>    USB: add usb_control_msg_send() and usb_control_msg_recv()
> 
> Oliver Neukum (1):
>    USB: correct API of usb_control_msg_send/recv
> 
>   drivers/media/rc/mceusb.c  |  35 ++++------
>   drivers/usb/core/message.c | 137 +++++++++++++++++++++++++++++++++++++
>   drivers/usb/core/urb.c     |  31 ++++++---
>   include/linux/usb.h        |   9 +++
>   4 files changed, 183 insertions(+), 29 deletions(-)
> 
Acked-by: Tim Gardner <tim.gardner at canonical.com>
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Tim Gardner
Canonical, Inc