CVE-2023-53710

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

wifi: mt76: mt7921: fix error code of return in mt7921acpiread

Kernel NULL pointer dereference when ACPI SAR table isn't implemented well. Fix the error code of return to mark the ACPI SAR table as invalid.

[ 5.077128] mt7921e 0000:06:00.0: sar cnt = 0 [ 5.077381] BUG: kernel NULL pointer dereference, address: 0000000000000004 [ 5.077630] #PF: supervisor read access in kernel mode [ 5.077883] #PF: errorcode(0x0000) - not-present page [ 5.078138] PGD 0 P4D 0 [ 5.078398] Oops: 0000 [#1] PREEMPT SMP NOPTI [ 5.079202] RIP: 0010:mt7921initacpisar+0x106/0x220 [mt7921common] ... [ 5.080786] Call Trace: [ 5.080786] <TASK> [ 5.080786] mt7921registerdevice+0x37d/0x490 [mt7921common] [ 5.080786] mt7921pciprobe.part.0+0x2ee/0x310 [mt7921e] [ 5.080786] mt7921pciprobe+0x52/0x70 [mt7921e] [ 5.080786] localpciprobe+0x47/0x90 [ 5.080786] pcicallprobe+0x55/0x190 [ 5.080786] pcideviceprobe+0x84/0x120