This bug was fixed in the package linux - 4.15.0-42.45 --------------- linux (4.15.0-42.45) bionic; urgency=medium * linux: 4.15.0-42.45 -proposed tracker (LP: #1803592) * [FEAT] Guest-dedicated Crypto Adapters (LP: #1787405) - KVM: s390: reset crypto attributes for all vcpus - KVM: s390: vsie: simulate VCPU SIE entry/exit - KVM: s390: introduce and use KVM_REQ_VSIE_RESTART - KVM: s390: refactor crypto initialization - s390: vfio-ap: base implementation of VFIO AP device driver - s390: vfio-ap: register matrix device with VFIO mdev framework - s390: vfio-ap: sysfs interfaces to configure adapters - s390: vfio-ap: sysfs interfaces to configure domains - s390: vfio-ap: sysfs interfaces to configure control domains - s390: vfio-ap: sysfs interface to view matrix mdev matrix - KVM: s390: interface to clear CRYCB masks - s390: vfio-ap: implement mediated device open callback - s390: vfio-ap: implement VFIO_DEVICE_GET_INFO ioctl - s390: vfio-ap: zeroize the AP queues - s390: vfio-ap: implement VFIO_DEVICE_RESET ioctl - KVM: s390: Clear Crypto Control Block when using vSIE - KVM: s390: vsie: Do the CRYCB validation first - KVM: s390: vsie: Make use of CRYCB FORMAT2 clear - KVM: s390: vsie: Allow CRYCB FORMAT-2 - KVM: s390: vsie: allow CRYCB FORMAT-1 - KVM: s390: vsie: allow CRYCB FORMAT-0 - KVM: s390: vsie: allow guest FORMAT-0 CRYCB on host FORMAT-1 - KVM: s390: vsie: allow guest FORMAT-1 CRYCB on host FORMAT-2 - KVM: s390: vsie: allow guest FORMAT-0 CRYCB on host FORMAT-2 - KVM: s390: device attrs to enable/disable AP interpretation - KVM: s390: CPU model support for AP virtualization - s390: doc: detailed specifications for AP virtualization - KVM: s390: fix locking for crypto setting error path - KVM: s390: Tracing APCB changes - s390: vfio-ap: setup APCB mask using KVM dedicated function - s390/zcrypt: Add ZAPQ inline function. - s390/zcrypt: Review inline assembler constraints. - s390/zcrypt: Integrate ap_asm.h into include/asm/ap.h. - s390/zcrypt: fix ap_instructions_available() returncodes - s390/zcrypt: remove VLA usage from the AP bus - s390/zcrypt: Remove deprecated ioctls. - s390/zcrypt: Remove deprecated zcrypt proc interface. - s390/zcrypt: Support up to 256 crypto adapters. - [Config:] Enable CONFIG_S390_AP_IOMMU and set CONFIG_VFIO_AP to module. * Bypass of mount visibility through userns + mount propagation (LP: #1789161) - mount: Retest MNT_LOCKED in do_umount - mount: Don't allow copying MNT_UNBINDABLE|MNT_LOCKED mounts * CVE-2018-18955: nested user namespaces with more than five extents incorrectly grant privileges over inode (LP: #1801924) // CVE-2018-18955 - userns: also map extents in the reverse map to kernel IDs * kdump fail due to an IRQ storm (LP: #1797990) - SAUCE: x86/PCI: Export find_cap() to be used in early PCI code - SAUCE: x86/quirks: Add parameter to clear MSIs early on boot - SAUCE: x86/quirks: Scan all busses for early PCI quirks -- Thadeu Lima de Souza Cascardo