This bug was fixed in the package linux-azure-cvm - 5.4.0-1090.95+cvm1
---------------
linux-azure-cvm (5.4.0-1090.95+cvm1) focal; urgency=medium
* focal/linux-azure-cvm: 5.4.0-1090.95+cvm1 -proposed tracker (LP:
#1983916)
* Azure: Fix the Focal Azure CVM kernel for VBS VMs (LP: #1981328)
- SAUCE: Drivers: hv: vmbus: Fix the boot issue for VBS Isolated VMs
[ Ubuntu: 5.4.0-1090.95 ]
* focal/linux-azure: 5.4.0-1090.95 -proposed tracker (LP: #1983920)
* focal/linux: 5.4.0-125.141 -proposed tracker (LP: #1983947)
* nbd: requests can become stuck when disconnecting from server with qemu-nbd
(LP: #1896350)
- blk-mq: blk-mq: provide forced completion method
- blk-mq: move failure injection out of blk_mq_complete_request
- nbd: don't handle response without a corresponding request message
- nbd: make sure request completion won't concurrent
- nbd: don't clear 'NBD_CMD_INFLIGHT' flag if request is not completed
- nbd: fix io hung while disconnecting device
* CVE-2021-33656
- vt: drop old FONT ioctls
* CVE-2021-33061
- ixgbe: add the ability for the PF to disable VF link state
- ixgbe: add improvement for MDD response functionality
- ixgbevf: add disable link state
-- Marcelo Henrique Cerri <[email protected]> Tue, 23 Aug
2022 08:57:10 -0300
** Changed in: linux-azure-cvm (Ubuntu Focal)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-33061
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-33656
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https://bugs.launchpad.net/bugs/1981328
Title:
Azure: Fix the Focal Azure CVM kernel for VBS VMs
Status in linux-azure-cvm package in Ubuntu:
Invalid
Status in linux-azure-cvm source package in Focal:
Fix Released
Bug description:
SRU Justification
[Impact]
The latest 5.4-based linux-azure-cvm kernel
(https://git.launchpad.net/~canonical-kernel/ubuntu/+source/linux-
azure/+git/focal/tag/?h=Ubuntu-azure-cvm-5.4.0-1085.90%2bcvm2) works
fine when it runs in an AMD SNP VM, but doesn't work when it runs in a
VBS VM (for VBS, please refer to https://docs.microsoft.com/en-
us/windows-hardware/design/device-experiences/oem-vbs)
[Fix]
https://github.com/dcui/linux-azure-
cvm/commit/b262b15df05e06be0a43ecc4c72fb3b735a78fe7
[Test Case]
Microsoft tested
[Where things could go wrong]
This could affect regular CVM instances
[Other Info]
SF: #00340455
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