CVE-2022-39189

CVE-2022-39189 affects the Linux kernel KVM/x86, where unprivileged guest users can compromise the guest kernel due to mishandled TLB flushes in certain KVM_VCPU_PREEMPTED situations. The issue is documented across multiple advisories (e.g., Debian, Amazon Linux ALAS2KERNEL, Astra Linux) and is m...

Ubuntu: Security Advisory (USN-5591-3)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG 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-only ifdescription...

Ubuntu: Security Advisory (USN-5592-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG 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-only ifdescription...

CVE-2022-39189

An issue was discovered the x86 KVM subsystem in the Linux kernel before 5.18.17. Unprivileged guest users can compromise the guest kernel because TLB flush operations are mishandled in certain KVMVCPUPREEMPTED situations...

Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-6.0.1.6)

The version of AOS installed on the remote host is prior to 6.0.1.6. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-6.0.1.6 advisory. - A flaw was found in the Routing decision classifier in the Linux kernel's Traffic Control networking subsystem in the way i...

Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-6.0.2.5)

The version of AOS installed on the remote host is prior to 6.0.2.5. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-6.0.2.5 advisory. - xpointer.c in libxml2 before 2.9.5 as used in Apple iOS before 10, OS X before 10.12, tvOS before 10, and watchOS before 3,...

CVE-2022-2153

A flaw was found in the Linux kernel’s KVM when attempting to set a SynIC IRQ. This issue makes it possible for a misbehaving VMM to write to SYNIC/STIMER MSRs, causing a NULL pointer dereference. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a...

CVE-2022-1263

A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service...

CVE-2022-1263

A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service...

Null pointer dereference

A flaw was found in the Linux kernel’s KVM when attempting to set a SynIC IRQ. This issue makes it possible for a misbehaving VMM to write to SYNIC/STIMER MSRs, causing a NULL pointer dereference. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a...

CVE-2022-2153

A flaw was found in the Linux kernel’s KVM when attempting to set a SynIC IRQ. This issue makes it possible for a misbehaving VMM to write to SYNIC/STIMER MSRs, causing a NULL pointer dereference. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a...

Null pointer dereference

A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service...

CVE-2022-1263

A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service...

CVE-2022-1263

CVE-2022-1263 is a Linux kernel KVM NULL pointer dereference bug that triggers when releasing a vCPU with dirty ring support enabled. An unprivileged local attacker on the host can issue specific ioctl calls to cause a kernel oops and DoS. Public advisories (e.g., Amazon Linux 2 ALAS2KERNEL-5.15-...

CVE-2022-1263

A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service...

CVE-2022-1263

A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service...

CVE-2022-2153

CVE-2022-2153 is a vulnerability in the Linux kernel’s KVM related to setting a SynIC IRQ. The issue allows a misbehaving VMM to write to SYNIC/STIMER MSRs, which can cause a NULL pointer dereference and a kernel oops, enabling an unprivileged local attacker on the host to trigger a denial of ser...

CVE-2022-2153

A flaw was found in the Linux kernel’s KVM when attempting to set a SynIC IRQ. This issue makes it possible for a misbehaving VMM to write to SYNIC/STIMER MSRs, causing a NULL pointer dereference. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a...

CVE-2022-2153

A flaw was found in the Linux kernel’s KVM when attempting to set a SynIC IRQ. This issue makes it possible for a misbehaving VMM to write to SYNIC/STIMER MSRs, causing a NULL pointer dereference. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a...

CVE-2022-2153

A flaw was found in the Linux kernel’s KVM when attempting to set a SynIC IRQ. This issue makes it possible for a misbehaving VMM to write to SYNIC/STIMER MSRs, causing a NULL pointer dereference. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a...