This should make debugging a lot easier. Note, 991f8f1c6eb6
("hyper-v: trace channel events"), patch 18, required some
minor modifications from upstream as another patch was not easy
to cherry-pick.
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
Drop the hack for the microcode division by 0 on GCP as
a proper fix is in upstream as:
2760f452a718 ("x86/microcode: Do the family check first")
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
These kernels have significant changes/addition for Spectre
mitigation as well as the usual other set of fixes.
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
The 4.14 and 4.9 kernels have a significant number of
fixes to eBPF and also a fix for kernel level sockets
and namespace removals, ie fixes some aspects of
https://github.com/moby/moby/issues/5618
"unregister_netdevice: waiting for lo to become free"
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
The 4.4.14 has a number of important fixes/additions:
- New support for retpolines (enabled but requires newer gcc
to take advantage of). This provides mitigation for Spectre
style attacks.
- Various KPTI fixes including fixes for EFI booting
- More eBPF fixes around out-of-bounds and overflow of
maps. These were used for variant 1 of CVE-2017-5753.
- Several KVM related to CVE-2017-5753, CVE-2017-5715,
CVE-2017-17741.
- New sysfs interface listing vulnerabilities:
/sys/devices/system/cpu/vulnerabilities
The 4.9.77 kernel also has seems to have most/all of the above
back-ported.
See https://lwn.net/SubscriberLink/744287/1fc3c18173f732e7/
for more details on the Spectre mitigation.
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
This looks like there are a couple of minor fixes to the
recent KPTI changes but nothing major...
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
This contains the fixes to the eBPF verifier which allowed
privilege escalation in 4.9 and 4.14 kernels.
Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
