748 matches found
CVE-2020-27821
A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting i...
Out-of-bounds
A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting i...
CVE-2020-27821
A flaw was found in the memory management API of QEMU during the initialization of a memory region cache. This issue could lead to an out-of-bounds write access to the MSI-X table while performing MMIO operations. A guest user may abuse this flaw to crash the QEMU process on the host, resulting i...
Denial Of Service (DoS)
qemu is vulnerable to denial of service DoS. The vulnerability exists in hw/pci/msix.c, allowing a malicious user to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation...
QEMU 缓冲区错误漏洞
QEMU is a suite of analog processor software. A buffer overflow vulnerability exists in QEMU msixtablemmiowrite. An attacker could exploit the vulnerability to crash the QEMU process on the host, resulting in a denial of service...
Important: kernel
Issue Overview: An issue in the HID driver in the Linux kernel may lead to invalid memory access. CVE-2022-20565 In the Linux kernel 5.0.21 and 5.3.11, mounting a crafted btrfs filesystem image, performing some operations, and then making a syncfs system call can lead to a use-after-free in...
QEMU >= 4.0.0, <= 5.1.0 DoS Vulnerability
QEMU is prone to a denial of service DoS vulnerability. Copyright C 2020 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 c...
DEBIAN-CVE-2020-24352
An issue was discovered in QEMU through 5.1.0. An out-of-bounds memory access was found in the ATI VGA device implementation. This flaw occurs in the ati2dblt routine in hw/display/ati2d.c while handling MMIO write operations through the atimmwrite callback. A malicious guest could use this flaw ...
The x86 emulator in KVM 83 does not use the Current Privilege Level (CPL) and I/O Privilege Level (IOPL) in determining the memory access available to CPL3 code which allows guest OS users to cause a denial of service (guest OS crash) or gain privileges on the guest OS by leveraging access to a (1) IO port or (2) MMIO region a related issue to CVE-2010-0306.
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Denial Of Service (DoS)
QEMU is vulnerable to denial of service. An integer overflow in the SM501 display driver implementation allows an attacker to crash the QEMU process in sm5012doperation in hw/display/sm501.c on the host. The vulnerability exists in the COPYAREA macro while handling MMIO write operations through t...
In QEMU through 5.0.0 an integer overflow was found in the SM501 display driver implementation. This flaw occurs in the COPY_AREA macro while handling MMIO write operations through the sm501_2d_engine_write() callback. A local attacker could abuse this flaw to crash the QEMU process in sm501_2d_operation() in hw/display/sm501.c on the host resulting in a denial of service.
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kernel security and bug fix update
3.10.0-1127.18.2.OL7 - Oracle Linux certificates Ilya Okomin - Oracle Linux RHCK Module Signing Key was compiled into kernel [email protected] - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and shim-x64 setlease be called without ilock Jeff Layton...
Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario
A flaw was found in the Linux kernel, where it allows userspace processes, for example, a guest VM, to directly access h/w devices via its VFIO driver modules. The VFIO modules allow users to enable or disable access to the devices' MMIO memory address spaces. If a user attempts to access the...
Important: Red Hat Security Advisory: kernel security and bug fix update
An update for kernel is now available for Red Hat Enterprise Linux 7.4 Advanced Update Support, Red Hat Enterprise Linux 7.4 Telco Extended Update Support, and Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impac...
Kernel: vfio: access to disabled MMIO space of some devices may lead to DoS scenario
A flaw was found in the Linux kernel, where it allows userspace processes, for example, a guest VM, to directly access h/w devices via its VFIO driver modules. The VFIO modules allow users to enable or disable access to the devices' MMIO memory address spaces. If a user attempts to access the...
Security Bulletin: Vyatta 5600 vRouter Software Patches - Release 1801-ze
Summary AT&T has released versions 1801-ze for the Vyatta 5600. Details of these releases can be found at https://cloud.ibm.com/docs/infrastructure/virtual-router-appliance?topic=virtual-router-appliance-at-t-vyatta-5600-vrouter-software-patchesat-t-vyatta-5600-vrouter-software-patches...
CVE-2020-15859
QEMU 4.2.0 has a use-after-free in hw/net/e1000ecore.c because a guest OS user can trigger an e1000e packet with the data's address set to the e1000e's MMIO address...
DEBIAN-CVE-2020-15859
QEMU 4.2.0 has a use-after-free in hw/net/e1000ecore.c because a guest OS user can trigger an e1000e packet with the data's address set to the e1000e's MMIO address...
