I see the same errors as the OP, although I see somewhat different index 
numbers:
UBSAN: array-index-out-of-bounds in 
/build/linux-vCyKs5/linux-6.8.0/drivers/media/pci/cx18/cx18-queue.c:345:40
index 64 is out of range for type 'cx18_mdl_ent [1]'
UBSAN: array-index-out-of-bounds in 
/build/linux-vCyKs5/linux-6.8.0/drivers/media/pci/cx18/cx18-queue.c:293:26
index 136 is out of range for type 'cx18_mdl_ent [1]'
UBSAN: array-index-out-of-bounds in 
/build/linux-vCyKs5/linux-6.8.0/drivers/media/pci/cx18/cx18-queue.c:295:26
index 136 is out of range for type 'cx18_mdl_ent [1]'
UBSAN: array-index-out-of-bounds in 
/build/linux-vCyKs5/linux-6.8.0/drivers/media/pci/cx18/cx18-streams.c:705:39
index 136 is out of range for type 'cx18_mdl_ent [1]'

I am not currently trying to use the card, but I could hook up an antenna, if 
there's a patch to test.
This is on older hardware than the OP's, with an AMD Athlon(tm) Dual Core 
Processor 4850e. LMK if you'd like more info.

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https://bugs.launchpad.net/bugs/2073367

Title:
  bug in module cx18

Status in linux package in Ubuntu:
  Triaged

Bug description:
  tv card Hauppauge HVR 1600 not working probably because of this.
  several array-index-out-of-bounds in dmesg regarding cx18-streams.c and 
cx18-queue.c

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: linux-image-6.8.0-38-generic 6.8.0-38.38
  ProcVersionSignature: Ubuntu 6.8.0-38.38-generic 6.8.8
  Uname: Linux 6.8.0-38-generic x86_64
  AlsaVersion: Advanced Linux Sound Architecture Driver Version 
k6.8.0-38-generic.
  AplayDevices: Error: [Errno 2] No such file or directory: 'aplay'
  ApportVersion: 2.28.1-0ubuntu3
  Architecture: amd64
  ArecordDevices: Error: [Errno 2] No such file or directory: 'arecord'
  AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/snd/timer', 
'/dev/snd/seq', '/dev/snd/pcmC0D0p', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D3p', 
'/dev/snd/pcmC0D7p', '/dev/snd/pcmC0D8p', '/dev/snd/hwC0D0', '/dev/snd/hwC0D2', 
'/dev/snd/controlC0', '/dev/snd/by-path', '/dev/snd/pcmC1D0c', 
'/dev/snd/controlC1'] failed with exit code 1:
  CRDA: N/A
  Card0.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
  Card0.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
  Card1.Amixer.info: Error: [Errno 2] No such file or directory: 'amixer'
  Card1.Amixer.values: Error: [Errno 2] No such file or directory: 'amixer'
  CasperMD5CheckResult: pass
  Date: Wed Jul 17 05:48:46 2024
  InstallationDate: Installed on 2024-07-12 (5 days ago)
  InstallationMedia: Ubuntu-Server 24.04 LTS "Noble Numbat" - Release amd64 
(20240423)
  IwConfig: Error: [Errno 2] No such file or directory: 'iwconfig'
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
  Lsusb-t:
   /:  Bus 001.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/16p, 480M
   /:  Bus 002.Port 001: Dev 001, Class=root_hub, Driver=xhci_hcd/10p, 10000M
  MachineType: Dell Inc. Precision 3630 Tower
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-6.8.0-38-generic 
root=UUID=54d1671f-8bdd-443b-9090-b92da043658e ro
  RelatedPackageVersions:
   linux-restricted-modules-6.8.0-38-generic N/A
   linux-backports-modules-6.8.0-38-generic  N/A
   linux-firmware                            20240318.git3b128b60-0ubuntu2.1
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/03/2024
  dmi.bios.release: 2.29
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 2.29.0
  dmi.board.name: 0NNNCT
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 3
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: 
dmi:bvnDellInc.:bvr2.29.0:bd06/03/2024:br2.29:svnDellInc.:pnPrecision3630Tower:pvr:rvnDellInc.:rn0NNNCT:rvrA01:cvnDellInc.:ct3:cvr:sku0871:
  dmi.product.family: Precision
  dmi.product.name: Precision 3630 Tower
  dmi.product.sku: 0871
  dmi.sys.vendor: Dell Inc.

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