APPLIED[K]: [SRU Bionic/Focal/OEM-5.14/Jammy/HWE-5.17/Kinetic 0/1] CVE-2022-40768

[Andrea Righi]

On Mon, Oct 03, 2022 at 06:31:16PM +0300, Cengiz Can wrote:
> [Impact]
> drivers/scsi/stex.c in the Linux kernel through 5.19.9 allows local
> users to obtain sensitive information from kernel memory because
> stex_queuecommand_lck lacks a memset for the PASSTHRU_CMD case.
> 
> [Fix]
> Fix is currently on linux-next.git only. There's a request to convert
> it into two separate patches which won't effect the structure of the
> fix.
> 
> [Test case]
> For each target kernel, compile and boot tested on KVM only.
> 
> [Potential regression]
> stex driver specific changes are harmless but the added const'ness to
> scsi_sg_copy_from_buffer signature might be risky.
> 
> Linus Torvalds (1):
>   scsi: stex: Properly zero out the passthrough command structure

Applied to kinetic/linux.

Thanks,
-Andrea