CVE-2026-63940

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM Secure Encrypted Virtualization SEV module. This vulnerability occurs because the system does not properly handle Port I/O requests with a length of zero. An attacker, potentially from a guest virtual machine, could exploit...

CVE-2026-63939

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM with Secure Encrypted Virtualization SEV support. This vulnerability arises from an incorrect calculation of the maximum length for the in-Guest-Host Communication Block GHCB scratch area. When processing Page State Change PS...

CVE-2026-64105

A flaw was found in the Linux kernel's KVM Kernel-based Virtual Machine for ARM64 architecture, specifically within the virtual Generic Interrupt Controller vgic component. When a virtual CPU vCPU fails to initialize, the private Interrupt ReQuests IRQs allocated for it are not properly released...

PT-2026-62200

Name of the Vulnerable Software and Affected Versions Oracle Database Server versions 19.3 through 19.31 Oracle Database Server versions 21.3 through 21.22 Oracle Database Server versions 23.4.0 through 23.26.2 Description A flaw exists in the Java VM component. A low privileged attacker with...

CVE-2026-63807

A flaw was found in the Linux kernel's Kernel-based Virtual Machine KVM x86 memory management unit MMU. A malicious guest operating system could create a hugepage mapping that extends beyond the boundaries of its allocated memory slot. This improper handling of memory boundaries by KVM can lead t...

CVE-2026-12080

CVE-2026-12080 affects the QEMU Guest Agent (qga). A local, unprivileged user can exploit the guest-ssh-add-authorized-keys handler by manipulating symbolic links through a deterministic directory-symlink bypass or a TOCTOU file-symlink race, enabling ownership of arbitrary root-owned files/direc...

Linux Distros Unpatched Vulnerability : CVE-2026-63937

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: KVM: SEV: Use READONCE when reading entries/indices from PSC buffer Use READONCE when readin...

Linux Distros Unpatched Vulnerability : CVE-2026-63941

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: arm64: Correctly cap ZCREL2 provided by a guest hypervisor ZCREL2 can be updated by a VHE guest hypervisor either using ZCREL2 which traps or ZCREL1 which...

Linux Distros Unpatched Vulnerability : CVE-2026-63940

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: SEV: Ignore Port I/O requests of length '0' Explicitly ignore Port I/O requests of length '0' or count '0', so that setting up the software scratch area an...

EUVD-2026-45857

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Disable AVIC IPI virtualization on Hygon Family 18h erratum 1235 Hygon Family 18h CPUs are derived from AMD Family 17h Zen1 silicon and share the same erratum 1235: hardware may read a stale IsRunning=1 bit during ICR...

CVE-2026-64115

CVE-2026-64115 affects the Linux kernel’s vsock/vmci component. The issue is a Use-After-Free caused when a peer resets a connection during the handshake, leading to a pending socket remaining in a listener’s pending list and the possibility of a crash/DoS. Root cause: vmci_transport_recv_connect...

CVE-2026-64115

In the Linux kernel, the following vulnerability has been resolved: vsock/vmci: fix UAF when peer resets connection during handshake vmcitransportrecvconnectingserver returned err = 0 for a peer RST in its default switch arm: err = pkt-type == VMCITRANSPORTPACKETTYPERST ? 0 : -EINVAL; That made...

CVE-2026-64115 vsock/vmci: fix UAF when peer resets connection during handshake

In the Linux kernel, the following vulnerability has been resolved: vsock/vmci: fix UAF when peer resets connection during handshake vmcitransportrecvconnectingserver returned err = 0 for a peer RST in its default switch arm: err = pkt-type == VMCITRANSPORTPACKETTYPERST ? 0 : -EINVAL; That made...

CVE-2026-64034

In the Linux kernel, the following vulnerability has been resolved: net: mana: Fix TOCTOU double-fetch of hwcmsgid from DMA buffer In manahwcrxeventhandler, resp-response.hwcmsgid is read from DMA-coherent memory and bounds-checked, then manahwchandleresp re-reads the same field from the same DMA...

CVE-2026-63939

CVE-2026-63939 (Linux kernel, KVM SEV): The issue concerns computation of the maximum length for the in-GHCB scratch area in the GHCB shared buffer. Previously, KVM assumed the input length (@len) always represented the maximum required size for MMIO emulation; for PSC requests, @len is only the ...

CVE-2026-63863

The CVE-2026-63863 entry concerns the Linux kernel drm/gpusvm subsystem. The issue is a unbalanced unlock of gpusvm notifier_lock detected during drm_gpusvm_scan_mm(), where a path under err_free calls drm_gpusvm_notifier_lock() after unlocking, leading to a bad unlock balance warning. Connected ...

CVE-2026-63807

In the Linux kernel, the following vulnerability has been resolved: KVM: x86/mmu: Ensure hugepage is in by slot before checking max mapping level When recovering hugepages in the shadow MMU, verify that the base gfn of the shadow page is actually contained within the target memslot, before queryi...

CVE-2026-63794

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Fix page overflow in sevdbgcrypt for ENCRYPT path In sevdbgcrypt, the per-iteration transfer length is bounded by the source page offset PAGESIZE - soff but not by the destination page offset PAGESIZE - doff. When doff...

CVE-2026-63822

In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix warning when unbinding If there is an error during some initialization related to firmware, the buffers dp-txringi.txstatus are released. However this is released again when the device is unbinded ath11kpci, and...

CVE-2026-63806

In the Linux kernel, the following vulnerability has been resolved: KVM: Replace guest-triggerable BUGON in ioeventfd datamatch with getunaligned Drop a BUGON that has been reachable since it was first added, way back in 2009, and instead use getunaligned to perform potentially-unaligned accesses...