CVE-2026-89931

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Ensure KVMREQGETNESTEDSTATEPAGES is cleared on VM-Exit Always check and clear KVMREQGETNESTEDSTATEPAGES when emulating a nested VM-Exit to ensure the request is cleared, even when KVM was built with CONFIGKVMHYPERV=n, ...

DEBIAN-CVE-2026-89930

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Service local TLB flushes on failed nested VM-Enter KVM services local TLB flushes on "full" nested VM-Exits through nestedvmxvmexit, but not if a nested VM-Enter fails e.g. due to failed VMCS checks in...

AZL-101610 CVE-2026-89932 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Always flush vpid02 on first use Make sure vpid02 is always flushed on first use by setting lastvpid=0 when allocating vpid02. nestedvmxtransitiontlbflush will always detect a VPID change on first VM-Enter after VMXON,...

DEBIAN-CVE-2026-89924

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix olddata leak in guest debug error path importwpinfo allocates a per-watchpoint olddata buffer to back up the original guest memory contents. If a later watchpoint of the same KVMSETGUESTDEBUG request fails to impor...

CVE-2026-89923

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Free guest debug data on vcpu destroy kvms390clearbpdata is only called from kvmarchvcpuioctlsetguestdebug, i.e. when user space changes or disables debugging. A vCPU that is destroyed while hardware breakpoints are...

DEBIAN-CVE-2026-89926

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix length check importwpinfo struct kvmhwbreakpoint::len is a u64 that is fully controlled by user space. This is then assigned to wpinfo-len, which is an int. The bounds check is done on the truncated value while the...

AZL-101535 CVE-2026-89921 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Zero initialize data structures for injectpfaulttoken kvminjectpfaulttoken only sets .type and .u.ext.extparams2 of the on-stack struct kvms390irq but the full ext substructure is copied into the cpu local variable on...

AZL-101594 CVE-2026-89925 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix memory leak in guest debug handling bpdata is freed only for the error case by kfreebpdata. Every successful KVMSETGUESTDEBUG will leak bpdata...

DEBIAN-CVE-2026-89921

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Zero initialize data structures for injectpfaulttoken kvminjectpfaulttoken only sets .type and .u.ext.extparams2 of the on-stack struct kvms390irq but the full ext substructure is copied into the cpu local variable on...

DEBIAN-CVE-2026-89923

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Free guest debug data on vcpu destroy kvms390clearbpdata is only called from kvmarchvcpuioctlsetguestdebug, i.e. when user space changes or disables debugging. A vCPU that is destroyed while hardware breakpoints are...

AZL-101225 CVE-2026-89927 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: hyper-v: Clamp stimer deadline to avoid livelock Fix an issue where userspace or the guest can program an Hyper-V synthetic timer to have a deadline in the past via integer overflow, preventing the CPU from making...

DEBIAN-CVE-2026-89920

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix memory corruption by not reinjecting CK machine checks Channel-subsystem damage machine checks are for the host channel subsystem. The guest channel subsystem is emulated in the userspace VMM. There is no point in...

DEBIAN-CVE-2026-89925

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix memory leak in guest debug handling bpdata is freed only for the error case by kfreebpdata. Every successful KVMSETGUESTDEBUG will leak bpdata...

AZL-101664 CVE-2026-89920 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix memory corruption by not reinjecting CK machine checks Channel-subsystem damage machine checks are for the host channel subsystem. The guest channel subsystem is emulated in the userspace VMM. There is no point in...

CVE-2026-89927

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: hyper-v: Clamp stimer deadline to avoid livelock Fix an issue where userspace or the guest can program an Hyper-V synthetic timer to have a deadline in the past via integer overflow, preventing the CPU from making...

AZL-101468 CVE-2026-89922 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Take srcu when importing watchpoint data importwpinfo backs up the original guest memory contents of a watchpoint with readguestabs, which is kvmreadguest and therefore resolves the memslot via kvmmemslots. That requir...

DEBIAN-CVE-2026-89922

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Take srcu when importing watchpoint data importwpinfo backs up the original guest memory contents of a watchpoint with readguestabs, which is kvmreadguest and therefore resolves the memslot via kvmmemslots. That requir...

CVE-2026-89925

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix memory leak in guest debug handling bpdata is freed only for the error case by kfreebpdata. Every successful KVMSETGUESTDEBUG will leak bpdata...

CVE-2026-89920

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Fix memory corruption by not reinjecting CK machine checks Channel-subsystem damage machine checks are for the host channel subsystem. The guest channel subsystem is emulated in the userspace VMM. There is no point in...

CVE-2026-89921

In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Zero initialize data structures for injectpfaulttoken kvminjectpfaulttoken only sets .type and .u.ext.extparams2 of the on-stack struct kvms390irq but the full ext substructure is copied into the cpu local variable on...