K61547155: QEMU vulnerabilities CVE-2020-10761, CVE-2020-13361, CVE-2020-13362, CVE-2020-13659, and CVE-2020-13754

Security Advisory Description CVE-2020-10761 An assertion failure issue was found in the Network Block DeviceNBD Server in all QEMU versions before QEMU 5.0.1. This flaw occurs when an nbd-client sends a spec-compliant request that is near the boundary of maximum permitted request length. A remot...

SUSE CVE-2014-1666

The dophysdevop function in Xen 4.1.5, 4.1.6.1, 4.2.2 through 4.2.3, and 4.3.x does not properly restrict access to the 1 PHYSDEVOPpreparemsix and 2 PHYSDEVOPreleasemsix operations, which allows local PV guests to cause a denial of service host or guest malfunction or possibly gain privileges via...

SUSE CVE-2015-7549

The MSI-X MMIO support in hw/pci/msix.c in QEMU aka Quick Emulator allows local guest OS privileged users to cause a denial of service NULL pointer dereference and QEMU process crash by leveraging failure to define the .write method...

SUSE 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...

Microsoft Temporarily Disables MSIX App Installers to Prevent Malware Abuse

Microsoft last week announced that it's temporarily disabling the MSIX ms-appinstaller protocol handler in Windows following evidence that a security vulnerability in the installer component was exploited by threat actors to deliver malware such as Emotet, TrickBot, and Bazaloader. MSIX, based on...

Security update for qemu (important)

openSUSE Security Update: Security update for qemu Announcement ID: openSUSE-SU-2021:1942-1 Rating: important References: 1149813 1163019 1175144 1175534 1176681 1178683 1178935 1179477 1179484 1179686 1181103 1182282 1182425 1182968 1182975 1183373 1186290 Cross-References: CVE-2019-15890...

GSD-2021-1000025 dmaengine: idxd: clear MSIX permission entry on shutdown

dmaengine: idxd: clear MSIX permission entry on shutdown This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.11.16 by commit...

UVI-2021-1000025 dmaengine: idxd: clear MSIX permission entry on shutdown

dmaengine: idxd: clear MSIX permission entry on shutdown This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.11.16 by commit...

PT-2021-24500

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.11.16 Description: The issue is related to the dmaengine: idxd, where the MSIX permission entry is not cleared on shutdown. The actual impact and attack plausibility have not yet been proven. Recommendations:...

PT-2021-28494

Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.11.16 Description The issue is related to the dmaengine: idxd, where the MSIX permission entry is not cleared on shutdown. The actual impact and attack plausibility have not yet been proven. Recommendations Fo...

QEMU: heap buffer overflow in msix_table_mmio_write() in hw/pci/msix.c

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...

openSUSE Security Update : qemu (openSUSE-2021-600)

This update for qemu fixes the following issues : - CVE-2020-12829: Fix OOB access in sm501 device emulation bsc1172385 - CVE-2020-25723: Fix use-after-free in usb xhci packet handling bsc1178934 - CVE-2020-25084: Fix use-after-free in usb ehci packet handling bsc1176673 - CVE-2020-25625: Fix...

QEMU: heap buffer overflow in msix_table_mmio_write() in hw/pci/msix.c

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...

QEMU buffer error vulnerability

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...

PT-2020-22143

Name of the Vulnerable Software and Affected Versions No specific software or versions are mentioned in the provided description. Description A heap buffer overflow read issue is reported, with a crash type of Heap-buffer-overflow READ 1. The crash state involves several functions: msix vector...

qemu:qemu-fuzz-i386-target-generic-fuzz-virtio-blk: Heap-buffer-overflow in msix_vector_masked

Detailed Report: https://oss-fuzz.com/testcase?key=5689906692882432 Project: qemu Fuzzing Engine: libFuzzer Fuzz Target: qemu-fuzz-i386-target-generic-fuzz-virtio-blk Job Type: libfuzzerasanqemu Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x6040000a440c Crash State:...

CVE-2020-13754

hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation...

DEBIAN-CVE-2020-13754

hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation...

CVE-2020-13754

hw/pci/msix.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access via a crafted address in an msi-x mmio operation...

Unbreakable Enterprise kernel security update

4.14.35-1902.6.6 - RDMA/restrack: Protect from reentry to resource return path Leon Romanovsky Orabug: 30388717 4.14.35-1902.6.5 - hvnetvsc: fix vf serial matching with pci slot info Haiyang Zhang Orabug: 30373111 - rds: Use correct conn when dropping connections due to cancel Hakon Bugge Orabug:...