CVE-2021-47061

In the Linux kernel, the following vulnerability has been resolved: KVM: Destroy I/O bus devices on unregister failure after sync'ing SRCU If allocating a new instance of an I/O bus fails when unregistering a device, wait to destroy the device until after all readers are guaranteed to see the new...

CVE-2021-47061 KVM: Destroy I/O bus devices on unregister failure _after_ sync'ing SRCU

In the Linux kernel, the following vulnerability has been resolved: KVM: Destroy I/O bus devices on unregister failure after sync'ing SRCU If allocating a new instance of an I/O bus fails when unregistering a device, wait to destroy the device until after all readers are guaranteed to see the new...

CVE-2021-47061 KVM: Destroy I/O bus devices on unregister failure _after_ sync'ing SRCU

In the Linux kernel, the following vulnerability has been resolved: KVM: Destroy I/O bus devices on unregister failure after sync'ing SRCU If allocating a new instance of an I/O bus fails when unregistering a device, wait to destroy the device until after all readers are guaranteed to see the new...

CVE-2021-47060 KVM: Stop looking for coalesced MMIO zones if the bus is destroyed

In the Linux kernel, the following vulnerability has been resolved: KVM: Stop looking for coalesced MMIO zones if the bus is destroyed Abort the walk of coalesced MMIO zones if kvmiobusunregisterdev fails to allocate memory for the new instance of the bus. If it can't instantiate a new bus,...

CVE-2021-47060

CVE-2021-47060 affects the Linux kernel KVM subsystem. The issue arises when unregistering an I/O bus with kvm_io_bus_unregister_dev() fails to allocate memory for a new bus instance, causing unregister_dev() to destroy all devices on the bus except the target device without signaling the caller....

CVE-2021-47060

In the Linux kernel, the following vulnerability has been resolved: KVM: Stop looking for coalesced MMIO zones if the bus is destroyed Abort the walk of coalesced MMIO zones if kvmiobusunregisterdev fails to allocate memory for the new instance of the bus. If it can't instantiate a new bus,...

CVE-2021-47060 KVM: Stop looking for coalesced MMIO zones if the bus is destroyed

In the Linux kernel, the following vulnerability has been resolved: KVM: Stop looking for coalesced MMIO zones if the bus is destroyed Abort the walk of coalesced MMIO zones if kvmiobusunregisterdev fails to allocate memory for the new instance of the bus. If it can't instantiate a new bus,...

CVE-2024-26614 tcp: make sure init the accept_queue's spinlocks once

In the Linux kernel, the following vulnerability has been resolved: tcp: make sure init the acceptqueue's spinlocks once When I run syz's reproduction C program locally, it causes the following issue: pvqspinlock: lock 0xffff9d181cd5c660 has corrupted value 0x0! WARNING: CPU: 19 PID: 21160 at...

CVE-2024-26614 tcp: make sure init the accept_queue's spinlocks once

In the Linux kernel, the following vulnerability has been resolved: tcp: make sure init the acceptqueue's spinlocks once When I run syz's reproduction C program locally, it causes the following issue: pvqspinlock: lock 0xffff9d181cd5c660 has corrupted value 0x0! WARNING: CPU: 19 PID: 21160 at...

CVE-2024-26614

In the Linux kernel, the following vulnerability has been resolved: tcp: make sure init the acceptqueue's spinlocks once When I run syz's reproduction C program locally, it causes the following issue: pvqspinlock: lock 0xffff9d181cd5c660 has corrupted value 0x0! WARNING: CPU: 19 PID: 21160 at...

kernel: Fix of 7 CVEs

KVM: nSVM: avoid picking up unsupported bits from L2 in intctl CVE-2021-3653 CVE-2021-3653 - xen/netfront: fix leaking data in shared pages CVE-2022-33740 - xfs: fix up non-directory creation in SGID directories CVE-2021-4037 - netsched: clsroute: remove from list when handle is 0 CVE-2022-2588 -...

kernel: Fix of 7 CVEs

KVM: nSVM: avoid picking up unsupported bits from L2 in intctl CVE-2021-3653 CVE-2021-3653 - xen/netfront: fix leaking data in shared pages CVE-2022-33740 - xfs: fix up non-directory creation in SGID directories CVE-2021-4037 - netsched: clsroute: remove from list when handle is 0 CVE-2022-2588 -...

CLSA-2024-1709203226 kernel: Fix of 7 CVEs

KVM: nSVM: avoid picking up unsupported bits from L2 in intctl CVE-2021-3653 CVE-2021-3653 - xen/netfront: fix leaking data in shared pages CVE-2022-33740 - xfs: fix up non-directory creation in SGID directories CVE-2021-4037 - netsched: clsroute: remove from list when handle is 0 CVE-2022-2588 -...

CVE-2021-46978

In the Linux kernel, the following vulnerability has been resolved: KVM: nVMX: Always make an attempt to map eVMCS after migration When enlightened VMCS is in use and nested state is migrated with vmxgetnestedstate/vmxsetnestedstate KVM can't map evmcs page right away: evmcs gpa is not 'struct...

CVE-2021-46977

In the Linux kernel, the following vulnerability has been resolved: KVM: VMX: Disable preemption when probing user return MSRs Disable preemption when probing a user return MSR via RDSMR/WRMSR. If the MSR holds a different value per logical CPU, the WRMSR could corrupt the host's value if KVM is...

CVE-2021-47008

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Make sure GHCB is mapped before updating Access to the GHCB is mainly in the VMGEXIT path and it is known that the GHCB will be mapped. But there are two paths where it is possible the GHCB might not be mapped. The...

CentOS 9 : qemu-kvm-6.2.0-7.el9

The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the qemu-kvm-6.2.0-7.el9 build changelog. - The inodeinitowner function in fs/inode.c in the Linux kernel through 3.16 allows local users to create files with an unintended group...

CentOS 9 : qemu-kvm-8.0.0-8.el9

The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the qemu-kvm-8.0.0-8.el9 build changelog. - A DMA reentrancy issue was found in the USB EHCI controller emulation of QEMU. EHCI does not verify if the Buffer Pointer overlaps with...

CentOS 9 : qemu-kvm-7.1.0-2.el9

The remote CentOS Linux 9 host has packages installed that are affected by a vulnerability as referenced in the qemu- kvm-7.1.0-2.el9 build changelog. - heap buffer overflow in DMA read data transfers rhel-9.0 CVE-2021-3507 Note that Nessus has not tested for this issue but has instead relied onl...

CentOS 9 : qemu-kvm-6.1.0-3.el9

The remote CentOS Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the qemu-kvm-6.1.0-3.el9 build changelog. - use-after-free during packet reassembly rhel-av-8 CVE-2019-15890 - A flaw was found in QEMU in the implementation of the Pointer...