CVE-2023-53703

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

HID: amd_sfh: Fix for shift-out-of-bounds

Shift operation of 'exp' and 'shift' variables exceeds the maximum number of shift values in the u32 range leading to UBSAN shift-out-of-bounds.

... [ 6.120512] UBSAN: shift-out-of-bounds in drivers/hid/amd-sfh-hid/sfh11/amdsfhdesc.c:149:50 [ 6.120598] shift exponent 104 is too large for 64-bit type 'long unsigned int' [ 6.120659] CPU: 4 PID: 96 Comm: kworker/4:1 Not tainted 6.4.0amd1-next-20230519-dirty #10 [ 6.120665] Hardware name: AMD Birman-PHX/Birman-PHX, BIOS SFHwithHPDSEN.FD 04/05/2023 [ 6.120667] Workqueue: events amdsfhworkbuffer [amdsfh] [ 6.120687] Call Trace: [ 6.120690] <TASK> [ 6.120694] dumpstacklvl+0x48/0x70 [ 6.120704] dumpstack+0x10/0x20 [ 6.120707] ubsanepilogue+0x9/0x40 [ 6.120716] _ubsanhandleshiftoutofbounds+0x10f/0x170 [ 6.120720] ? psigroupchange+0x25f/0x4b0 [ 6.120729] floattoint.cold+0x18/0xba [amdsfh] [ 6.120739] getinputrep+0x57/0x340 [amdsfh] [ 6.120748] ? _schedule+0xba7/0x1b60 [ 6.120756] ? _pfxgetinputrep+0x10/0x10 [amdsfh] [ 6.120764] amdsfhworkbuffer+0x91/0x180 [amdsfh] [ 6.120772] processonework+0x229/0x430 [ 6.120780] workerthread+0x4a/0x3c0 [ 6.120784] ? _pfxworkerthread+0x10/0x10 [ 6.120788] kthread+0xf7/0x130 [ 6.120792] ? _pfxkthread+0x10/0x10 [ 6.120795] retfrom_fork+0x29/0x50 [ 6.120804] </TASK> ...

Fix this by adding the condition to validate shift ranges.