The vulnerability of the pvrdma_idx_ring_has_ function in the PVRDMA virtual network adapter emulator for hardware infrastructure in QEMU allows a hacker to induce a service failure.

The vulnerability of the pvrdmaidxringhas function in the PVRDMA virtual network adapter software and the QEMU hardware emulation environment is related to the execution of a loop with an unreachable exit condition. Exploiting this vulnerability can allow a remote attacker to cause a service...

QEMU: Slirp: potential OOB access due to unsafe snprintf() usages

An out-of-bounds heap buffer access flaw was found in the SLiRP networking implementation of the QEMU emulator. This flaw occurs in tcpemu routine while emulating IRC and other protocols due to unsafe usage of the snprintf3 function. A user or process could use this flaw to crash the QEMU process...

UBUNTU-CVE-2020-15469

In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, leading to a NULL pointer dereference...

QEMU: Slirp: potential OOB access due to unsafe snprintf() usages

An out-of-bounds heap buffer access flaw was found in the SLiRP networking implementation of the QEMU emulator. This flaw occurs in tcpemu routine while emulating IRC and other protocols due to unsafe usage of the snprintf3 function. A user or process could use this flaw to crash the QEMU process...

DEBIAN-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 remote nbd-client could use this flaw to crash the...

QEMU Buffer Overflow Vulnerability (CNVD-2020-35975)

QEMU Quick Emulator is a set of simulation processor software by French software developer Fabrice Bellard. The software is fast, cross-platform and other characteristics. A buffer overflow vulnerability exists in the hw/pci/pci.c file in QEMU version 4.2.0. The vulnerability stems from a network...

DEBIAN-CVE-2020-13765

romcopy in hw/core/loader.c in QEMU 4.0 and 4.1.0 does not validate the relationship between two addresses, which allows attackers to trigger an invalid memory copy operation...

UBUNTU-CVE-2020-13765

romcopy in hw/core/loader.c in QEMU 4.0 and 4.1.0 does not validate the relationship between two addresses, which allows attackers to trigger an invalid memory copy operation...

UBUNTU-CVE-2020-13800

ati-vga in hw/display/ati.c in QEMU 4.2.0 allows guest OS users to trigger infinite recursion via a crafted mmindex value during an atimmread or atimmwrite call...

CVE-2020-13800

An infinite recursion flaw was found in the ati-vga emulator of the QEMU. The issue occurs in atimmread/write routines while accessing VGA registers, for certain values of the 'mmindex' variable. This flaw allows a guest user or process to crash the QEMU process, resulting in a denial of service...

QEMU Code Issue Vulnerability

QEMU Quick Emulator is a set of simulation processor software by French software developer Fabrice Bellard. The software is fast, cross-platform and other characteristics. A code issue vulnerability exists in the addressspacemap of the exec.c file in QEMU version 4.2.0. A local attacker can explo...

QEMU Buffer Overflow Vulnerability (CNVD-2020-34134)

QEMU Quick Emulator is a set of simulation processor software by French software developer Fabrice Bellard. The software is fast, cross-platform and other characteristics. A buffer overflow vulnerability exists in QEMU. The vulnerability originates when a networked system or product performs an...

DEBIAN-CVE-2020-13659

addressspacemap in exec.c in QEMU 4.2.0 can trigger a NULL pointer dereference related to BounceBuffer...

QEMU Buffer Overflow Vulnerability (CNVD-2020-31088)

QEMU Quick Emulator is a set of simulation processor software by French software developer Fabrice Bellard. The software is fast, cross-platform and other characteristics. A buffer overflow vulnerability exists in the megasaslookupframe of the hw/scsi/megasas.c file in QEMU version 4.2.0. The...

UBUNTU-CVE-2020-13253

sdwpaddr in hw/sd/sd.c in QEMU 4.2.0 uses an unvalidated address, which leads to an out-of-bounds read during sdhciwrite operations. A guest OS user can crash the QEMU process...

QEMU Pauth Protection Bypass Vulnerability

QEMU Quick Emulator is a set of simulation processor software by French software developer Fabrice Bellard. The software is fast, cross-platform and other characteristics. A security vulnerability exists in QEMU version 4.0.0. A local attacker can exploit the vulnerability to bypass Pauth...

QEMU: Multiple vulnerabilities

Background QEMU is a generic and open source machine emulator and virtualizer. Description Multiple vulnerabilities have been discovered in QEMU. Please review the CVE identifiers referenced below for details. Impact Please review the referenced CVE identifiers for details. Workaround There is no...

Fedora: Security Advisory for libslirp (FEDORA-2020-1608d52724)

The remote host is missing an update for the 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 can...

[SECURITY] Fedora 31 Update: libslirp-4.1.0-2.fc31

A general purpose TCP-IP emulator used by virtual machine hypervisors to provide virtual networking services...

QEMU Resource Management Error Vulnerability

QEMU Quick Emulator is a set of simulation processor software by French software developer Fabrice Bellard. The software is fast, cross-platform and other characteristics. A resource management error vulnerability exists in the virtio-fs shared file system daemon virtiofsd implementation in QEMU...