Regression. kernel 5.19.0.43.39 does not boot wirth errors: cannot allocate kernel buffer. you need to load the kernel first.

Newly installed kernel linux-image-5.19.0-43-generic 5.19.0.43.39 does not boot with the following diagnostics:

---------
error: cannot allocate kernel buffer.
error: you need to load the kernel first.

Press any key to continue...

  Failed to boot both default and fallback entries.

Press any key to continue...
---------

And after a short while gets back to grub selection menu.

ProblemType: Bug
DistroRelease: Ubuntu 22.10
Package: linux-image-5.19.0-43-generic 5.19.0-43.44
ProcVersionSignature: Ubuntu 5.19.0-42.43-generic 5.19.17
Uname: Linux 5.19.0-42-generic x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.23.1-0ubuntu3.2
Architecture: amd64
AudioDevicesInUse:
 USER PID ACCESS COMMAND
 /dev/snd/controlC1: alexei 2618 F.... wireplumber
 /dev/snd/controlC0: alexei 2618 F.... wireplumber
 /dev/snd/seq: alexei 2616 F.... pipewire
CRDA: N/A
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Wed May 31 20:31:01 2023
HibernationDevice: RESUME=UUID=45af239b-c597-45a1-bb72-3ba25b5ee546
InstallationDate: Installed on 2016-01-06 (2701 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
IwConfig:
 lo no wireless extensions.

 enp8s0 no wireless extensions.

 lxcbr0 no wireless extensions.
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcFB: 0 amdgpudrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.19.0-42-generic root=UUID=d4f27b9e-0cff-49e1-8392-a41aa520bd85 ro
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
 linux-restricted-modules-5.19.0-42-generic N/A
 linux-backports-modules-5.19.0-42-generic N/A
 linux-firmware 20220923.gitf09bebf3-0ubuntu1.6
RfKill:

SourcePackage: linux
UpgradeStatus: Upgraded to kinetic on 2022-10-01 (241 days ago)
dmi.bios.date: 05/10/2021
dmi.bios.release: 5.17
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P5.00
dmi.board.name: B450 Pro4
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvrP5.00:bd05/10/2021:br5.17:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnB450Pro4:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:skuToBeFilledByO.E.M.:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: To Be Filled By O.E.M.
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.