iMac panic CPU CATERR detected

Hi, I have had lots of crashes on my iMac, with the computer restarting (mainly) every time.

Here is a copy of the problem report.

Any help gratefully received. Thanks

(iMac Retina 5k, 27 inch, 2020; 3.8 GHZ 8 core intel i7, macOS Ventura 13.0.1)

panic(cpu 1 caller 0xfffffff018382b08): x86 CPU CATERR detected

Debugger message: panic

Memory ID: 0x6

OS release type: User

OS version: 20P420

macOS version: 22A400

Kernel version: Darwin Kernel Version 22.1.0: Sun Oct 9 19:46:56 PDT 2022; root:xnu-8792.41.9~1/RELEASE_ARM64_T8010

KernelCache UUID: EE77F9821641B9090E896FE5527265A0

Kernel UUID: F0934039-FED3-3E70-8E87-BF08A56907C2

Boot session UUID: ECE60BBB-C772-4BA4-9844-B75DD5202B6D

iBoot version: iBoot-8419.41.10

secure boot?: YES

roots installed: 0

x86 EFI Boot State: 0xe

x86 System State: 0x0

x86 Power State: 0x0

x86 Shutdown Cause: 0xec

x86 Previous Power Transitions: 0x20002000200

PCIeUp link state: 0x94721614

macOS kernel slide: 0xb200000

Paniclog version: 14

Kernel slide: 0x0000000011f48000

Kernel text base: 0xfffffff018f4c000

mach_absolute_time: 0x700165d6321

Epoch Time: sec usec

Boot : 0x6390c064 0x000f1ba0

Sleep : 0x63975d7c 0x000d1243

Wake : 0x63976182 0x00025fab

Calendar: 0x639b3b34 0x000d8076

Zone info:

Zone map: 0xffffffe1d4a2c000 - 0xffffffe7d4a2c000

. VM : 0xffffffe1d4a2c000 - 0xffffffe2bb090000

. RO : 0xffffffe2bb090000 - 0xffffffe307d5c000

. GEN0 : 0xffffffe307d5c000 - 0xffffffe3ee3c0000

. GEN1 : 0xffffffe3ee3c0000 - 0xffffffe4d4a24000

. GEN2 : 0xffffffe4d4a24000 - 0xffffffe5bb08c000

. GEN3 : 0xffffffe5bb08c000 - 0xffffffe6a16f4000

. DATA : 0xffffffe6a16f4000 - 0xffffffe7d4a2c000

Metadata: 0xffffffe029b90000 - 0xffffffe02b390000

Bitmaps : 0xffffffe02b390000 - 0xffffffe02b5c4000

TPIDRx_ELy = {1: 0xffffffe4d45264e0 0: 0x0000000000000001 0ro: 0x0000000000000000 }

CORE 0: PC=0xfffffff01916a7d0, LR=0xfffffff01916a7d0, FP=0xffffffe97eca7f00

CORE 1 is the one that panicked. Check the full backtrace for details.

Compressor Info: 0% of compressed pages limit (OK) and 0% of segments limit (OK) with 0 swapfiles and OK swap space

Panicked task 0xffffffe3ee411680: 0 pages, 192 threads: pid 0: kernel_task

Panicked thread: 0xffffffe4d45264e0, backtrace: 0xffffffe0347fb6c0, tid: 427

lr: 0xfffffff019139318 fp: 0xffffffe0347fb700

lr: 0xfffffff019139128 fp: 0xffffffe0347fb770

lr: 0xfffffff01926ee44 fp: 0xffffffe0347fb7e0

lr: 0xfffffff01926dddc fp: 0xffffffe0347fb8a0

lr: 0xfffffff0190f95fc fp: 0xffffffe0347fb8b0

lr: 0xfffffff019138b9c fp: 0xffffffe0347fbc60

lr: 0xfffffff0197e1100 fp: 0xffffffe0347fbc80

lr: 0xfffffff018382b08 fp: 0xffffffe0347fbcb0

lr: 0xfffffff01836a604 fp: 0xffffffe0347fbd10

lr: 0xfffffff018373ac8 fp: 0xffffffe0347fbd60

lr: 0xfffffff01836cb58 fp: 0xffffffe0347fbe00

lr: 0xfffffff018369b94 fp: 0xffffffe0347fbe70

lr: 0xfffffff018188b40 fp: 0xffffffe0347fbea0

lr: 0xfffffff01972c5a8 fp: 0xffffffe0347fbee0

lr: 0xfffffff01972be00 fp: 0xffffffe0347fbf20

lr: 0xfffffff0191046c0 fp: 0x0000000000000000