CVE-2024-50163 bpf: Make sure internal and UAPI bpf_redirect flags don't overlap

In the Linux kernel, the following vulnerability has been resolved: bpf: Make sure internal and UAPI bpfredirect flags don't overlap The bpfredirectinfo is shared between the SKB and XDP redirect paths, and the two paths use the same numeric flag values in the ri-flags field specifically,...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the incorrect use of BUGON in the IBI DMA settings instead of exiting when the condition is not met...

The vulnerability of the driver responsible for the computer’s interaction with the CLFS.sys device in the Windows operating system allows a hacker to trigger a Service-Breaking Failure (BSoD).

The vulnerability of the driver responsible for the computer’s interaction with CLFS.sys devices and devices in the Windows operating system is related to incorrect configuration data input. Exploiting this vulnerability can cause a Service-Breaking Failure BSoD through the forced invocation of t...

SUSE-SU-2024:2531-1 Security update for xen

This update for xen fixes the following issues: - CVE-2023-46842: Fixed x86 HVM hypercalls may trigger Xen bug check XSA-454, bsc1221984. - CVE-2024-31143: Fixed double unlock in x86 guest IRQ handling XSA-458, bsc1227355...

CVE-2024-1305

tap-windows6 driver version 9.26 and earlier does not properly check the size data of incomming write operations which an attacker can use to overflow memory buffers, resulting in a bug check and potentially arbitrary code execution in kernel space...

CVE-2024-1305

tap-windows6 driver version 9.26 and earlier does not properly check the size data of incomming write operations which an attacker can use to overflow memory buffers, resulting in a bug check and potentially arbitrary code execution in kernel space...

UBUNTU-CVE-2024-35947

In the Linux kernel, the following vulnerability has been resolved: dyndbg: fix old BUGON in control parser Fix a BUGON from 2009. Even if it looks "unreachable" I didn't really look, lets make sure by removing it, doing prerr and return -EINVAL instead...

CVE-2023-46842

Unlike 32-bit PV guests, HVM guests may switch freely between 64-bit and other modes. This in particular means that they may set registers used to pass 32-bit-mode hypercall arguments to values outside of the range 32-bit code would be able to set them to. When processing of hypercalls takes a...

CVE-2023-46842 x86 HVM hypercalls may trigger Xen bug check

Unlike 32-bit PV guests, HVM guests may switch freely between 64-bit and other modes. This in particular means that they may set registers used to pass 32-bit-mode hypercall arguments to values outside of the range 32-bit code would be able to set them to. When processing of hypercalls takes a...

CVE-2023-46842 x86 HVM hypercalls may trigger Xen bug check

Unlike 32-bit PV guests, HVM guests may switch freely between 64-bit and other modes. This in particular means that they may set registers used to pass 32-bit-mode hypercall arguments to values outside of the range 32-bit code would be able to set them to. When processing of hypercalls takes a...

openSUSE: Security Advisory for xen (SUSE-SU-2024:1540-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 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...

Fedora 40 : xen (2024-a46df5ba2f)

The remote Fedora 40 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-a46df5ba2f advisory. x86: Native Branch History Injection XSA-456, CVE-2024-2201 update to xen 4.18.2, remove patches now included upstream x86 HVM hypercalls may trigge...

SUSE-SU-2024:1295-1 Security update for xen

This update for xen fixes the following issues: - CVE-2023-46842: Fixed denial of service due to Xen bug check triggered by HVM hypercalls XSA-454 in xen x86 bsc1221984 - CVE-2024-31142: Fixed incorrect logic for BTC/SRSO mitigations XSA-455 in xen x86 bsc1222302 - CVE-2024-2201: Fixed memory...

x86 HVM hypercalls may trigger Xen bug check

ISSUE DESCRIPTION Unlike 32-bit PV guests, HVM guests may switch freely between 64-bit and other modes. This in particular means that they may set registers used to pass 32-bit-mode hypercall arguments to values outside of the range 32-bit code would be able to set them to. When processing of...

SUSE CVE-2021-46988

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: release page in error path to avoid BUGON Consider the following sequence of events: 1. Userspace issues a UFFD ioctl, which ends up calling into shmemmfillatomicpte. We successfully account the blocks, we...

SUSE CVE-2021-46910

In the Linux kernel, the following vulnerability has been resolved: ARM: 9063/1: mm: reduce maximum number of CPUs if DEBUGKMAPLOCAL is enabled The debugging code for kmaplocal doubles the number of per-CPU fixmap slots allocated for kmaplocal, in order to use half of them as guard regions. This...

SUSE CVE-2022-23034

A PV guest could DoS Xen while unmapping a grant To address XSA-380, reference counting was introduced for grant mappings for the case where a PV guest would have the IOMMU enabled. PV guests can request two forms of mappings. When both are in use for any individual mapping, unmapping of such a...

SUSE SLES11: xen / xen-doc-html / xen-kmp-default / xen-kmp-pae / xen-libs / etc (SUSE-SU-2022:14886-1)

The remote SUSE Linux SLES11 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:14886-1 advisory. - CVE-2022-23034: Fixed possible DoS by a PV guest Xen while unmapping a grant. XSA-394 bsc1194581 - CVE-2022-23035: Fixed insufficient cleanu...

CVE-2022-23034

A PV guest could DoS Xen while unmapping a grant To address XSA-380, reference counting was introduced for grant mappings for the case where a PV guest would have the IOMMU enabled. PV guests can request two forms of mappings. When both are in use for any individual mapping, unmapping of such a...

CVE-2022-23034

A PV guest could DoS Xen while unmapping a grant To address XSA-380, reference counting was introduced for grant mappings for the case where a PV guest would have the IOMMU enabled. PV guests can request two forms of mappings. When both are in use for any individual mapping, unmapping of such a...