14.04.5 safe-upgrade from QEMU 2.0.0+dfsg-2ubuntu1.42 to QEMU 2.0.0+dfsg-2ubuntu1.43 kernel panics amd64 VM guests
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
qemu (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned |
Bug Description
on 2018 May 22, the following packages were installed on the Kubuntu Desktop 14.04.5 amd64 HOST system via "aptitude safe-upgrade"...
-rw-r--r-- 1 root root 167820 May 21 17:44 qemu_2.
-rw-r--r-- 1 root root 21730 May 21 17:44 qemu-keymaps_
-rw-r--r-- 1 root root 7114 May 21 17:44 qemu-kvm_
-rw-r--r-- 1 root root 6096 May 21 17:44 qemu-system_
-rw-r--r-- 1 root root 1690746 May 21 17:44 qemu-system-
-rw-r--r-- 1 root root 158472 May 21 17:44 qemu-system-
-rw-r--r-- 1 root root 2642646 May 21 17:44 qemu-system-
-rw-r--r-- 1 root root 4928962 May 21 17:44 qemu-system-
-rw-r--r-- 1 root root 2799884 May 21 17:44 qemu-system-
-rw-r--r-- 1 root root 1607216 May 21 17:44 qemu-system-
-rw-r--r-- 1 root root 1953488 May 21 17:44 qemu-system-
-rw-r--r-- 1 root root 5473484 May 21 17:44 qemu-user_
-rw-r--r-- 1 root root 411858 May 21 17:44 qemu-utils_
on 2018 June 12, those same packages were upgraded their .43 release... again, on the HOST... diagnosis and recovery took place via #ubuntu on the freenode IRC channel...
SYMPTOMS:
1. all 64bit VM guests kernel panic on pivot after grub2 boot...
2. 32bit VM guests boot and operate as normal...
3. the VM used for diagnosis and recovery is running ubuntu server 14.04.5...
4. all *buntu systems, hosts and guests, are updated via "aptitude safe-upgrade" since installation...
RECOVERY:
downgraded all 13 installed QEMU related packages from .43 to .42...
all 64bit VM guests boot and operate as normal...
all 32bit VM guests continue to boot and operate as normal...
lsb_release -rd:
Description: Ubuntu 14.04.5 LTS
Release: 14.04
CVE References
summary: |
14.04.5 safe-upgrade from QEMU 2.0.0+dfsg-2ubuntu1.42 to QEMU - 2.0.0+dfsg-2ubuntu1.43 kernel panics amd64 VMs + 2.0.0+dfsg-2ubuntu1.43 kernel panics amd64 VM guests |
information type: | Private Security → Public Security |
tags: | added: regression-update |
Changed in qemu (Ubuntu): | |
status: | Incomplete → Confirmed |
information type: | Public Security → Public |
information type: | Public → Public Security |
CHANGELOG: https:/ /launchpad. net/ubuntu/ +source/ qemu/+changelog
2.0.0+dfsg- 2ubuntu1. 43
Published in trusty-updates 12 hours ago
Published in trusty-security 13 hours ago
qemu (2.0.0+ dfsg-2ubuntu1. 43) trusty-security; urgency=medium
* SECURITY UPDATE: Speculative Store Bypass patches/ CVE-2018- 3639-2. patch: define the AMD 'virt-ssbd' patches/ CVE-2018- 3639-3. patch: define the Virt SSBD MSR and i386/machine. c.
- debian/
CPUID feature bit in target/i386/cpu.c.
- debian/
handling of it in target/i386/cpu.h, target/i386/kvm.c,
target/
- CVE-2018-3639
-- Marc Deslauriers <email address hidden> Wed, 23 May 2018 08:03:09 -0400
Available diffs
diff from 2.0.0+dfsg- 2ubuntu1. 42 (in Ubuntu) to 2.0.0+dfsg- 2ubuntu1. 43 (2.5 KiB) 2ubuntu1. 41 to 2.0.0+dfsg- 2ubuntu1. 43 (3.2 KiB)
diff from 2.0.0+dfsg-