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  • Results Type: Overview
  • Keyword (text search): cpe:2.3:a:qemu:qemu:2.4.0:rc3:*:*:*:*:*:*
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There are 222 matching records.
Displaying matches 21 through 40.
Vuln ID Summary CVSS Severity
CVE-2020-25723

A reachable assertion issue was found in the USB EHCI emulation code of QEMU. It could occur while processing USB requests due to missing handling of DMA memory map failure. A malicious privileged user within the guest may abuse this flaw to send bogus USB requests and crash the QEMU process on the host, resulting in a denial of service.

Published: December 01, 2020; 8:15:12 PM -0500
V3.1: 3.2 LOW
V2.0: 2.1 LOW
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 ati_2d_blt() routine in hw/display/ati_2d.c while handling MMIO write operations through the ati_mm_write() callback. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service.

Published: October 16, 2020; 2:15:12 AM -0400
V3.1: 5.5 MEDIUM
V2.0: 2.1 LOW
CVE-2020-25743

hw/ide/pci.c in QEMU before 5.1.1 can trigger a NULL pointer dereference because it lacks a pointer check before an ide_cancel_dma_sync call.

Published: October 06, 2020; 11:15:15 AM -0400
V3.1: 3.2 LOW
V2.0: 2.1 LOW
CVE-2020-25742

pci_change_irq_level in hw/pci/pci.c in QEMU before 5.1.1 has a NULL pointer dereference because pci_get_bus() might not return a valid pointer.

Published: October 06, 2020; 11:15:15 AM -0400
V3.1: 3.2 LOW
V2.0: 2.1 LOW
CVE-2020-14364

An out-of-bounds read/write access flaw was found in the USB emulator of the QEMU in versions before 5.2.0. This issue occurs while processing USB packets from a guest when USBDevice 'setup_len' exceeds its 'data_buf[4096]' in the do_token_in, do_token_out routines. This flaw allows a guest user to crash the QEMU process, resulting in a denial of service, or the potential execution of arbitrary code with the privileges of the QEMU process on the host.

Published: August 31, 2020; 2:15:12 PM -0400
V3.1: 5.0 MEDIUM
V2.0: 4.4 MEDIUM
CVE-2020-12829

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.

Published: August 31, 2020; 11:15:10 AM -0400
V3.1: 3.8 LOW
V2.0: 2.1 LOW
CVE-2020-14415

oss_write in audio/ossaudio.c in QEMU before 5.0.0 mishandles a buffer position.

Published: August 27, 2020; 12:15:10 PM -0400
V3.1: 3.3 LOW
V2.0: 2.1 LOW
CVE-2020-16092

In QEMU through 5.0.0, an assertion failure can occur in the network packet processing. This issue affects the e1000e and vmxnet3 network devices. A malicious guest user/process could use this flaw to abort the QEMU process on the host, resulting in a denial of service condition in net_tx_pkt_add_raw_fragment in hw/net/net_tx_pkt.c.

Published: August 11, 2020; 12:15:12 PM -0400
V3.1: 3.8 LOW
V2.0: 2.1 LOW
CVE-2020-15863

hw/net/xgmac.c in the XGMAC Ethernet controller in QEMU before 07-20-2020 has a buffer overflow. This occurs during packet transmission and affects the highbank and midway emulated machines. A guest user or process could use this flaw to crash the QEMU process on the host, resulting in a denial of service or potential privileged code execution. This was fixed in commit 5519724a13664b43e225ca05351c60b4468e4555.

Published: July 28, 2020; 12:15:12 PM -0400
V3.1: 5.3 MEDIUM
V2.0: 4.4 MEDIUM
CVE-2020-15469

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

Published: July 02, 2020; 4:15:11 PM -0400
V3.1: 2.3 LOW
V2.0: 2.1 LOW
CVE-2020-10761

An assertion failure issue was found in the Network Block Device(NBD) 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-nbd server resulting in a denial of service.

Published: June 09, 2020; 9:15:10 AM -0400
V3.1: 5.0 MEDIUM
V2.0: 4.0 MEDIUM
CVE-2020-13791

hw/pci/pci.c in QEMU 4.2.0 allows guest OS users to trigger an out-of-bounds access by providing an address near the end of the PCI configuration space.

Published: June 04, 2020; 12:15:12 PM -0400
V3.1: 5.5 MEDIUM
V2.0: 2.1 LOW
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.

Published: June 02, 2020; 10:15:10 AM -0400
V3.1: 6.7 MEDIUM
V2.0: 4.6 MEDIUM
CVE-2020-13253

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

Published: May 27, 2020; 11:15:12 AM -0400
V3.1: 5.5 MEDIUM
V2.0: 2.1 LOW
CVE-2015-6815

The process_tx_desc function in hw/net/e1000.c in QEMU before 2.4.0.1 does not properly process transmit descriptor data when sending a network packet, which allows attackers to cause a denial of service (infinite loop and guest crash) via unspecified vectors.

Published: January 31, 2020; 5:15:11 PM -0500
V3.1: 3.5 LOW
V2.0: 2.7 LOW
CVE-2015-5278

The ne2000_receive function in hw/net/ne2000.c in QEMU before 2.4.0.1 allows attackers to cause a denial of service (infinite loop and instance crash) or possibly execute arbitrary code via vectors related to receiving packets.

Published: January 23, 2020; 3:15:11 PM -0500
V3.1: 6.5 MEDIUM
V2.0: 4.0 MEDIUM
CVE-2019-20175

** DISPUTED ** An issue was discovered in ide_dma_cb() in hw/ide/core.c in QEMU 2.4.0 through 4.2.0. The guest system can crash the QEMU process in the host system via a special SCSI_IOCTL_SEND_COMMAND. It hits an assertion that implies that the size of successful DMA transfers there must be a multiple of 512 (the size of a sector). NOTE: a member of the QEMU security team disputes the significance of this issue because a "privileged guest user has many ways to cause similar DoS effect, without triggering this assert."

Published: December 30, 2019; 11:15:10 PM -0500
V3.1: 7.5 HIGH
V2.0: 5.0 MEDIUM
CVE-2019-12929

** DISPUTED ** The QMP guest_exec command in QEMU 4.0.0 and earlier is prone to OS command injection, which allows the attacker to achieve code execution, denial of service, or information disclosure by sending a crafted QMP command to the listening server. Note: This has been disputed as a non-issue since QEMU's -qmp interface is meant to be used by trusted users. If one is able to access this interface via a tcp socket open to the internet, then it is an insecure configuration issue.

Published: June 24, 2019; 7:15:09 AM -0400
V3.0: 9.8 CRITICAL
V2.0: 10.0 HIGH
CVE-2019-12928

** DISPUTED ** The QMP migrate command in QEMU version 4.0.0 and earlier is vulnerable to OS command injection, which allows the remote attacker to achieve code execution, denial of service, or information disclosure by sending a crafted QMP command to the listening server. Note: This has been disputed as a non-issue since QEMU's -qmp interface is meant to be used by trusted users. If one is able to access this interface via a tcp socket open to the internet, then it is an insecure configuration issue.

Published: June 24, 2019; 7:15:09 AM -0400
V3.0: 9.8 CRITICAL
V2.0: 10.0 HIGH
CVE-2019-8934

hw/ppc/spapr.c in QEMU through 3.1.0 allows Information Exposure because the hypervisor shares the /proc/device-tree/system-id and /proc/device-tree/model system attributes with a guest.

Published: March 21, 2019; 12:01:14 PM -0400
V3.0: 3.3 LOW
V2.0: 2.1 LOW