K54606234: Linux kernel vulnerability CVE-2016-10150

Security Advisory Description Use-after-free vulnerability in the kvmioctlcreatedevice function in virt/kvm/kvmmain.c in the Linux kernel before 4.8.13 allows host OS users to cause a denial of service host OS crash or possibly gain privileges via crafted ioctl calls on the /dev/kvm device...

K08413011: Linux kernel vulnerability CVE-2019-7221

Security Advisory Description The KVM implementation in the Linux kernel through 4.20.5 has a Use-after-Free. CVE-2019-7221 Impact There is no impact; F5 products are not affected by this vulnerability. Security Advisory Status F5 Product Development has evaluated the currently supported releases...

K61294700: Linux kernel vulnerability CVE-2020-27777

Security Advisory Description A flaw was found in the way RTAS handled memory accesses in userspace to kernel communication. On a locked down usually due to Secure Boot guest system running on top of PowerVM or KVM hypervisors pseries platform a root like local user could use this flaw to further...

K56499646: Linux kernel vulnerability CVE-2021-3501

Security Advisory Description A flaw was found in the Linux kernel in versions before 5.12. The value of internal.ndata, in the KVM API, is mapped to an array index, which can be updated by a user process at anytime which could lead to an out-of-bounds write. The highest threat from this...

K07721343: Linux kernel vulnerability CVE-2018-10901

Security Advisory Description A flaw was found in Linux kernel's KVM virtualization subsystem. The VMX code does not restore the GDT.LIMIT to the previous host value, but instead sets it to 64KB. With a corrupted GDT limit a host's userspace code has an ability to place malicious entries in the...

K59513013: Linux kernel vulnerability CVE-2019-14821

Security Advisory Description An out-of-bounds access issue was found in the Linux kernel, all versions through 5.3, in the way Linux kernel's KVM hypervisor implements the Coalesced MMIO write operation. It operates on an MMIO ring buffer 'struct kvmcoalescedmmio' object, wherein write indices...

K34886212: Linux kernel vulnerability CVE-2017-8106

Security Advisory Description The handleinvept function in arch/x86/kvm/vmx.c in the Linux kernel 3.12 through 3.15 allows privileged KVM guest OS users to cause a denial of service NULL pointer dereference and host OS crash via a single-context INVEPT instruction with a NULL EPT pointer...

K57454331: Linux Kernel vulnerability CVE-2018-10853

Security Advisory Description A flaw was found in the way Linux kernel KVM hypervisor before 4.18 emulated instructions such as sgdt/sidt/fxsave/fxrstor. It did not check current privilegeCPL level while emulating unprivileged instructions. An unprivileged guest user/process could use this flaw t...

K01217337: Linux kernel vulnerability CVE-2021-22543

Security Advisory Description An issue was discovered in Linux: KVM through Improper handling of VMIO|VMPFNMAP vmas in KVM can bypass RO checks and can lead to pages being freed while still accessible by the VMM and guest. This allows users with the ability to start and control a VM to read/write...

K80212034: Linux kernel vulnerability CVE-2021-3656

Security Advisory Description A flaw was found in the KVM's AMD code for supporting SVM nested virtualization. The flaw occurs when processing the VMCB virtual machine control block provided by the L1 guest to spawn/handle a nested guest L2. Due to improper validation of the "virtext" field, this...

K39029022: Linux kernel vulnerability CVE-2021-37576

Security Advisory Description arch/powerpc/kvm/book3srtas.c in the Linux kernel through 5.13.5 on the powerpc platform allows KVM guest OS users to cause host OS memory corruption via rtasargs.nargs, aka CID-f62f3c20647e. CVE-2021-37576 Impact There is no impact; F5 products are not affected by...

K31700032: Linux kernel vulnerability CVE-2021-29657

Security Advisory Description arch/x86/kvm/svm/nested.c in the Linux kernel before 5.11.12 has a use-after-free in which an AMD KVM guest can bypass access control on host OS MSRs when there are nested guests, aka CID-a58d9166a756. This occurs because of a TOCTOU race condition associated with a...

ALSA-2023:0832 Important: kernel security and bug fix update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: mm/mremap.c use-after-free vulnerability CVE-2022-41222 kernel: nfsd buffer overflow by RPC message over TCP with garbage data CVE-2022-43945 kernel: an out-of-bounds vulnerability in...

NewStart CGSL MAIN 6.02 : kernel Multiple Vulnerabilities (NS-SA-2023-0005)

The remote NewStart CGSL host, running version MAIN 6.02, has kernel packages installed that are affected by multiple vulnerabilities: - A random memory access flaw was found in the Linux kernel's GPU i915 kernel driver functionality in the way a user may run malicious code on the GPU. This flaw...

Slackware Linux 15.0 kernel-generic Multiple Vulnerabilities (SSA:2023-048-01)

The version of kernel-generic installed on the remote host is prior to 5.15.94 / 5.15.94smp. It is, therefore, affected by multiple vulnerabilities as referenced in the SSA:2023-048-01 advisory. - A flaw was found in the KVM's AMD nested virtualization SVM. A malicious L1 guest could purposely fa...

Fedora: Security Advisory for edk2 (FEDORA-2023-e1ffb79ddf)

The remote host is missing an update for the Copyright C 2023 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

[SECURITY] Fedora 37 Update: edk2-20221117gitfff6d81270b5-13.fc37

EDK II is a modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications. This package contains sample 64-bit UEFI firmware builds for QEMU and KVM...

USN-5877-1 linux-gke-5.15 vulnerabilities

Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2022-4378 Tamás Koczka discovered that the Bluetooth L2CAP handshake...

USN-5877-1: Linux kernel (GKE) vulnerabilities

Kyle Zeng discovered that the sysctl implementation in the Linux kernel contained a stack-based buffer overflow. A local attacker could use this to cause a denial of service system crash or execute arbitrary code. CVE-2022-4378 Tamás Koczka discovered that the Bluetooth L2CAP handshake...

SUSE CVE-2009-3640

The updatecr8intercept function in arch/x86/kvm/x86.c in the KVM subsystem in the Linux kernel before 2.6.32-rc1 does not properly handle the absence of an Advanced Programmable Interrupt Controller APIC, which allows local users to cause a denial of service NULL pointer dereference and system...