CVE-2026-74356 vhost: fix vhost_get_avail_idx for a non empty ring

In the Linux kernel, the following vulnerability has been resolved: vhost: fix vhostgetavailidx for a non empty ring vhostgetavailidx is supposed to report whether it has updated vq-availidx. Instead, it returns whether all entries have been consumed, which is usually the same. But not always - i...

CVE-2026-74311 virtio: rtc: tear down old virtqueues before restore

In the Linux kernel, the following vulnerability has been resolved: virtio: rtc: tear down old virtqueues before restore virtiodevicerestore resets the device and restores the negotiated features before calling -restore. viortcfreeze intentionally leaves the existing virtqueues in place so the...

CVE-2026-74311 virtio: rtc: tear down old virtqueues before restore

In the Linux kernel, the following vulnerability has been resolved: virtio: rtc: tear down old virtqueues before restore virtiodevicerestore resets the device and restores the negotiated features before calling -restore. viortcfreeze intentionally leaves the existing virtqueues in place so the...

EUVD-2026-59458

In the Linux kernel, the following vulnerability has been resolved: virtio: rtc: tear down old virtqueues before restore virtiodevicerestore resets the device and restores the negotiated features before calling -restore. viortcfreeze intentionally leaves the existing virtqueues in place so the...

CVE-2026-72412

The CVE-2026-72412 entry concerns the Linux kernel s390/mm subsystem and the _PAGE_UNUSED (PAGE_UNUSED) PTE bit. Root cause: KVM could set the bit for unmapped guest pages; later paths could leave it set, so present pages might be treated as unused, risking guest corruption. The fix implemented i...

CVE-2026-72412 s390/mm: Fix handling of _PAGE_UNUSED pte bit

In the Linux kernel, the following vulnerability has been resolved: s390/mm: Fix handling of PAGEUNUSED pte bit The PAGEUNUSED softbit should not really be lying around. Its sole purpose is to signal to trytounmapone and trytomigrateone that the page can be discarded instead of being moved /...

CVE-2026-72412 s390/mm: Fix handling of _PAGE_UNUSED pte bit

In the Linux kernel, the following vulnerability has been resolved: s390/mm: Fix handling of PAGEUNUSED pte bit The PAGEUNUSED softbit should not really be lying around. Its sole purpose is to signal to trytounmapone and trytomigrateone that the page can be discarded instead of being moved /...

EUVD-2026-59311

In the Linux kernel, the following vulnerability has been resolved: s390/mm: Fix handling of PAGEUNUSED pte bit The PAGEUNUSED softbit should not really be lying around. Its sole purpose is to signal to trytounmapone and trytomigrateone that the page can be discarded instead of being moved /...

CVE-2026-72287 KVM: nVMX: Move vTPR vs. TPR Threshold consistency check into "normal" checks

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Move vTPR vs. TPR Threshold consistency check into "normal" checks Move the off-by-default consistency check for vmcs12.tprthreshold vs. the virtual APIC vTPR into the "normal" controls checks, as waiting until KVM has...

CVE-2026-72284 KVM: x86: Ignore pending PV EOI if the vCPU has since disabled PV EOIs

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ignore pending PV EOI if the vCPU has since disabled PV EOIs Ignore KVM's internal "service pending PV EOI" request if the vCPU has disabled PV EOIs since the request was made. Asserting that PV EOIs are enabled can fai...

CVE-2026-72277

Summary (CVE-2026-72277): In the Linux kernel’s KVM for arm64, the L1 VNCR mapping logic now rejects non-memory PFNs when constructing VNCR mappings, due to unconditional use of cacheable memory attributes that could trigger an SError on writeback. The vulnerability affected KVM’s handling of VNC...

EUVD-2026-59044

In the Linux kernel, the following vulnerability has been resolved: scsi: xen: scsiback: Free the command tag on the TMR submit-failure path scsibackdeviceaction obtains a command tag in scsibackgetpendreq and submits a task-management request with targetsubmittmr. When targetsubmittmr fails it...

CVE-2026-72085

CVE-2026-72085 concerns the Linux kernel SCSI xen scsiback path. A path in scsiback_get_pend_req() creates a pending command with an uninitialized or not-yet-kref’d se_cmd; if a submission is aborted via a bad grant or unknown ring_req.act, transport_generic_free_cmd() underflows the reference co...

PT-2026-72600

In the Linux kernel, the following vulnerability has been resolved: s390/mm: Fix handling of PAGE UNUSED pte bit The PAGE UNUSED softbit should not really be lying around. Its sole purpose is to signal to try to unmap one and try to migrate one that the page can be discarded instead of being move...

PT-2026-72475

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Move vTPR vs. TPR Threshold consistency check into "normal" checks Move the off-by-default consistency check for vmcs12.tpr threshold vs. the virtual APIC vTPR into the "normal" controls checks, as waiting until KVM ha...

PT-2026-72747

In the Linux kernel, the following vulnerability has been resolved: virtio: rtc: tear down old virtqueues before restore virtio device restore resets the device and restores the negotiated features before calling -restore. viortc freeze intentionally leaves the existing virtqueues in place so the...

Linux Distros Unpatched Vulnerability : CVE-2026-72086

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - scsi: xen: scsiback: Free the command tag on the TMR submit-failure path scsibackdeviceaction obtains a command tag in scsibackgetpendreq and submits a...

Lima: An arbitrary user in a QEMU VM could gain the root privilege in the VM via the guest agent socket

Impact On an instance of Lima running with qemu driver, an arbitrary user in the VM could access /run/lima-guestagent.sock when the guest agent is enabled. This could result in running an arbitrary command with the root privileges in the VM not on the host, as lima-guestagent.sock provides the...

EUVD-2026-42933

Lima: An arbitrary user in a QEMU VM could gain the root privilege in the VM via the guest agent socket...

GHSA-2J9V-P4XJ-CJW2 Lima: An arbitrary user in a QEMU VM could gain the root privilege in the VM via the guest agent socket

Impact On an instance of Lima running with qemu driver, an arbitrary user in the VM could access /run/lima-guestagent.sock when the guest agent is enabled. This could result in running an arbitrary command with the root privileges in the VM not on the host, as lima-guestagent.sock provides the...