CVE-2020-13765

rom_copy() in hw/core/loader.c in QEMU 4.1.0 does not validate the relationship between two...

5.6 MediumFix available

rom_copy() 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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

2.46%Up 0.8 points since Apr 14, 2021

What each source reports

NVD Score used 5.6

rom_copy() 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.

Record: CVE-2020-13765
CVSS 3.1: 5.6 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
CVSS 2.0: 6.8 MediumAV:N/AC:M/Au:N/C:P/I:P/A:P
Weakness: CWE-787
Updated: 2026-11-02

CVE List No score

rom_copy() 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.

Record: CVE-2020-13765
Updated: 2026-11-02

EUVDEUVD-2020-5982 No score

rom_copy() 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.

Record: EUVD-2020-5982
Updated: 2026-11-03

GitHub AdvisoriesGHSA-pf9q-2ff3-67r4 5.6

rom_copy() in hw/core/loader.c in QEMU 4.1.0 does not validate the relationship between two...

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

Record: GHSA-pf9q-2ff3-67r4
CVSS 3.1: 5.6 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness: CWE-787
Updated: 2026-11-02

OSVALPINE-CVE-2020-13765 5.6

rom_copy() 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.

Record: ALPINE-CVE-2020-13765
CVSS 3.1: 5.6 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Updated: 2026-11-03

OSVBELL-CVE-2020-13765 5.6

CVE-2020-13765 does not affect BellSoft software

Record: BELL-CVE-2020-13765
CVSS 3.1: 5.6 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Updated: 2026-11-02

Show 14 moreShow less

OSV 5.6

rom_copy() 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.

Record: CVE-2020-13765
CVSS 3.1: 5.6 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Updated: 2026-11-02

OSVDEBIAN-CVE-2020-13765 5.6

rom_copy() 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.

Record: DEBIAN-CVE-2020-13765
CVSS 3.1: 5.6 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Updated: 2026-11-02

OSVRHSA-2021:0347 5.6

Red Hat Security Advisory: qemu-kvm security and bug fix update

Record: RHSA-2021:0347
CVSS 3.1: 5.6 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Updated: 2026-11-02

OSVUBUNTU-CVE-2020-13765 5.6

rom_copy() 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.

Record: UBUNTU-CVE-2020-13765
CVSS 3.1: 5.6 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Updated: 2026-11-02

OSVSUSE-SU-2021:1240-1 No score

Security update for qemu

This update for qemu fixes the following issues:

Fix OOB access in sm501 device emulation (CVE-2020-12829, bsc#1172385)
Fix OOB access possibility in MegaRAID SAS 8708EM2 emulation (CVE-2020-13362 bsc#1172383)
Fix use-after-free in usb xhci packet handling (CVE-2020-25723, bsc#1178934)
Fix use-after-free in usb ehci packet handling (CVE-2020-25084, bsc#1176673)
Fix OOB access in usb hcd-ohci emulation (CVE-2020-25624, bsc#1176682)
Fix infinite loop (DoS) in usb hcd-ohci emulation (CVE-2020-25625, bsc#1176684)
Fix guest triggerable assert in shared network handling code (CVE-2020-27617, bsc#1178174)
Fix infinite loop (DoS) in e1000e device emulation (CVE-2020-28916, bsc#1179468)
Fix OOB access in atapi emulation (CVE-2020-29443, bsc#1181108)
Fix null pointer deref. (DoS) in mmio ops (CVE-2020-15469, bsc#1173612)
Fix infinite loop (DoS) in e1000 device emulation (CVE-2021-20257, bsc#1182577)
Fix OOB access (stack overflow) in rtl8139 NIC emulation (CVE-2021-3416, bsc#1182968)
Fix OOB access (stack overflow) in other NIC emulations (CVE-2021-3416)
Fix OOB access in SLIRP ARP packet processing (CVE-2020-29130, bsc#1179467)
Fix null pointer dereference possibility (DoS) in MegaRAID SAS 8708EM2 emulation (CVE-2020-13659 bsc#1172386
Fix OOB access in iscsi (CVE-2020-11947 bsc#1180523)
Fix OOB access in vmxnet3 emulation (CVE-2021-20203 bsc#1181639)
Fix buffer overflow in the XGMAC device (CVE-2020-15863, bsc#1174386)
Fix DoS in packet processing of various emulated NICs (CVE-2020-16092 bsc#1174641)
Fix OOB access while processing USB packets (CVE-2020-14364 bsc#1175441)
Fix package scripts to not use hard coded paths for temporary working directories and log files (bsc#1182425)
Fix potential privilege escalation in virtfs (CVE-2021-20181 bsc#1182137)
Fix OOB access possibility in ES1370 audio device emulation (CVE-2020-13361 bsc#1172384)
Fix OOB access in ROM loading (CVE-2020-13765 bsc#1172478)

Record: SUSE-SU-2021:1240-1
Updated: 2026-11-02

OSVSUSE-SU-2021:1241-1 No score

Security update for qemu

This update for qemu fixes the following issues:

Fix OOB access in sm501 device emulation (CVE-2020-12829, bsc#1172385)
Fix OOB access possibility in MegaRAID SAS 8708EM2 emulation (CVE-2020-13362, bsc#1172383)
Fix use-after-free in usb xhci packet handling (CVE-2020-25723, bsc#1178934)
Fix use-after-free in usb ehci packet handling (CVE-2020-25084, bsc#1176673)
Fix OOB access in usb hcd-ohci emulation (CVE-2020-25624, bsc#1176682)
Fix infinite loop (DoS) in usb hcd-ohci emulation (CVE-2020-25625, bsc#1176684)
Fix guest triggerable assert in shared network handling code (CVE-2020-27617, bsc#1178174)
Fix infinite loop (DoS) in e1000e device emulation (CVE-2020-28916, bsc#1179468)
Fix OOB access in atapi emulation (CVE-2020-29443, bsc#1181108)
Fix null pointer deref. (DoS) in mmio ops (CVE-2020-15469, bsc#1173612)
Fix infinite loop (DoS) in e1000 device emulation (CVE-2021-20257, bsc#1182577)
Fix OOB access (stack overflow) in rtl8139 NIC emulation (CVE-2021-3416, bsc#1182968)
Fix OOB access (stack overflow) in other NIC emulations (CVE-2021-3416)
Fix OOB access in SLIRP ARP/NCSI packet processing (CVE-2020-29129, bsc#1179466, CVE-2020-29130, bsc#1179467)
Fix null pointer dereference possibility (DoS) in MegaRAID SAS 8708EM2 emulation (CVE-2020-13659, bsc#1172386)
Fix OOB access in iscsi (CVE-2020-11947, bsc#1180523)
Fix OOB access in vmxnet3 emulation (CVE-2021-20203, bsc#1181639)
Fix buffer overflow in the XGMAC device (CVE-2020-15863, bsc#1174386)
Fix DoS in packet processing of various emulated NICs (CVE-2020-16092, bsc#1174641)
Fix OOB access while processing USB packets (CVE-2020-14364, bsc#1175441)
Fix package scripts to not use hard coded paths for temporary working directories and log files (bsc#1182425)
Fix potential privilege escalation in virtfs (CVE-2021-20181, bsc#1182137)
Fix OOB access possibility in ES1370 audio device emulation (CVE-2020-13361, bsc#1172384)
Fix OOB access in ROM loading (CVE-2020-13765, bsc#1172478)
Fix qemu-testsuite failure
Fix vm migration is failing with input/output error when nfs server is disconnected (bsc#1119115)
Fix OOB access in ARM interrupt handling (CVE-2021-20221, bsc#1181933)
Fix slowness in arm32 emulation (bsc#1112499)
Fix OOB access in sm501 device emulation (CVE-2020-12829, bsc#1172385)
Fix OOB access possibility in MegaRAID SAS 8708EM2 emulation (CVE-2020-13362, bsc#1172383)
Fix use-after-free in usb xhci packet handling (CVE-2020-25723, bsc#1178934)
Fix use-after-free in usb ehci packet handling (CVE-2020-25084, bsc#1176673)
Fix OOB access in usb hcd-ohci emulation (CVE-2020-25624, bsc#1176682)
Fix infinite loop (DoS) in usb hcd-ohci emulation (CVE-2020-25625, bsc#1176684)
Fix guest triggerable assert in shared network handling code (CVE-2020-27617, bsc#1178174)
Fix infinite loop (DoS) in e1000e device emulation (CVE-2020-28916, bsc#1179468)
Fix OOB access in atapi emulation (CVE-2020-29443, bsc#1181108)
Fix null pointer deref. (DoS) in mmio ops (CVE-2020-15469, bsc#1173612)
Fix infinite loop (DoS) in e1000 device emulation (CVE-2021-20257, bsc#1182577)
Fix OOB access (stack overflow) in rtl8139 NIC emulation (CVE-2021-3416, bsc#1182968)
Fix OOB access (stack overflow) in other NIC emulations (CVE-2021-3416)
Fix OOB access in SLIRP ARP/NCSI packet processing (CVE-2020-29129, bsc#1179466, CVE-2020-29130, bsc#1179467)
Fix null pointer dereference possibility (DoS) in MegaRAID SAS 8708EM2 emulation (CVE-2020-13659, bsc#1172386)
Fix OOB access in iscsi (CVE-2020-11947, bsc#1180523)
Fix OOB access in vmxnet3 emulation (CVE-2021-20203, bsc#1181639)
Fix buffer overflow in the XGMAC device (CVE-2020-15863, bsc#1174386)
Fix DoS in packet processing of various emulated NICs (CVE-2020-16092, bsc#1174641)
Fix OOB access while processing USB packets (CVE-2020-14364, bsc#1175441)
Fix package scripts to not use hard coded paths for temporary working directories and log files (bsc#1182425)…

Record: SUSE-SU-2021:1241-1
Updated: 2026-11-02

OSVSUSE-SU-2021:1242-1 No score

Security update for qemu

This update for qemu fixes the following issues:

Fix OOB access in sm501 device emulation (CVE-2020-12829, bsc#1172385)
Fix OOB access possibility in MegaRAID SAS 8708EM2 emulation (CVE-2020-13362 bsc#1172383)
Fix use-after-free in usb xhci packet handling (CVE-2020-25723, bsc#1178934)
Fix use-after-free in usb iehci packet handling (CVE-2020-25084, bsc#1176673)
Fix infinite loop (DoS) in usb hcd-ohci emulation (CVE-2020-25625, bsc#1176684)
Fix OOB access in usb hcd-ohci emulation (CVE-2020-25624, bsc#1176682)
Fix guest triggerable assert in shared network handling code (CVE-2020-27617, bsc#1178174)
Fix infinite loop (DoS) in e1000e device emulation (CVE-2020-28916, bsc#1179468)
Fix OOB access in atapi emulation (CVE-2020-29443, bsc#1181108)
Fix heap overflow in MSIx emulation (CVE-2020-27821, bsc#1179686)
Fix null pointer deref. (DoS) in mmio ops (CVE-2020-15469, bsc#1173612)
Fix infinite loop (DoS) in e1000 device emulation (CVE-2021-20257, bsc#1182577)
Fix OOB access (stack overflow) in rtl8139 NIC emulation (CVE-2021-3416, bsc#1182968)
Fix OOB access (stack overflow) in other NIC emulations (CVE-2021-3416)
Fix OOB access in SLIRP ARP/NCSI packet processing (CVE-2020-29129, bsc#1179466, CVE-2020-29130, bsc#1179467)
Fix null pointer dereference possibility (DoS) in MegaRAID SAS 8708EM2 emulation (CVE-2020-13659 bsc#1172386)
Fix issue where s390 guest fails to find zipl boot menu index (bsc#1183979)
Fix OOB access in iscsi (CVE-2020-11947 bsc#1180523)
Fix OOB access in vmxnet3 emulation (CVE-2021-20203 bsc#1181639)
Fix package scripts to not use hard coded paths for temporary working directories and log files (bsc#1182425)
Fix potential privilege escalation in virtfs (CVE-2021-20181 bsc#1182137)
Apply fixes to qemu scsi passthrough with respect to timeout and error conditions, including using more correct status codes. (bsc#1178049)
Fix OOB access in ARM interrupt handling (CVE-2021-20221 bsc#1181933)
Make note that this patch previously included addresses (CVE-2020-13765 bsc#1172478)
Tweaks to spec file for better formatting, and remove not needed BuildRequires for e2fsprogs-devel and libpcap-devel
Fix vfio-pci device on s390 enters error state (bsc#1179725)
Fix PCI devices are unavailable after a subsystem reset. (bsc#1179726)

Record: SUSE-SU-2021:1242-1
Updated: 2026-11-02

OSVSUSE-SU-2021:1244-1 No score

Security update for qemu

This update for qemu fixes the following issues:

Fix OOB access in sm501 device emulation (CVE-2020-12829, bsc#1172385)
Fix OOB access possibility in MegaRAID SAS 8708EM2 emulation (CVE-2020-13362 bsc#1172383)
Fix use-after-free in usb xhci packet handling (CVE-2020-25723, bsc#1178934)
Fix use-after-free in usb ehci packet handling (CVE-2020-25084, bsc#1176673)
Fix OOB access in usb hcd-ohci emulation (CVE-2020-25624, bsc#1176682)
Fix infinite loop (DoS) in usb hcd-ohci emulation (CVE-2020-25625, bsc#1176684)
Fix guest triggerable assert in shared network handling code (CVE-2020-27617, bsc#1178174)
Fix infinite loop (DoS) in e1000e device emulation (CVE-2020-28916, bsc#1179468)
Fix OOB access in atapi emulation (CVE-2020-29443, bsc#1181108)
Fix null pointer deref. (DoS) in mmio ops (CVE-2020-15469, bsc#1173612)
Fix infinite loop (DoS) in e1000 device emulation (CVE-2021-20257, bsc#1182577)
Fix OOB access (stack overflow) in rtl8139 NIC emulation (CVE-2021-3416, bsc#1182968)
Fix OOB access (stack overflow) in other NIC emulations (CVE-2021-3416)
Fix OOB access in SLIRP ARP/NCSI packet processing (CVE-2020-29129, bsc#1179466, CVE-2020-29130, bsc#1179467)
Fix null pointer dereference possibility (DoS) in MegaRAID SAS 8708EM2 emulation (CVE-2020-13659 bsc#1172386
Fix OOB access in iscsi (CVE-2020-11947 bsc#1180523)
Fix OOB access in vmxnet3 emulation (CVE-2021-20203 bsc#1181639)
Fix buffer overflow in the XGMAC device (CVE-2020-15863 bsc#1174386)
Fix DoS in packet processing of various emulated NICs (CVE-2020-16092 bsc#1174641)
Fix OOB access while processing USB packets (CVE-2020-14364 bsc#1175441)
Fix package scripts to not use hard coded paths for temporary working directories and log files (bsc#1182425)
Fix potential privilege escalation in virtfs (CVE-2021-20181 bsc#1182137)
Drop the 'ampersand 0x25 shift altgr' line in pt-br keymap file (bsc#1129962)
Fix migration failure with error message: 'error while loading state section id 3(ram) (bsc#1154790)
Fix OOB access possibility in ES1370 audio device emulation (CVE-2020-13361 bsc#1172384)
Fix OOB access in ROM loading (CVE-2020-13765 bsc#1172478)
Fix OOB access in ARM interrupt handling (CVE-2021-20221 bsc#1181933)
Tweaks to spec file for better formatting, and remove not needed BuildRequires for e2fsprogs-devel and libpcap-devel
Use '%service_del_postun_without_restart' instead of '%service_del_postun' to avoid 'Failed to try-restart [email protected]' error while updating the qemu-guest-agent. (bsc#1178565)
Fix OOB access in sm501 device emulation (CVE-2020-12829, bsc#1172385)

Record: SUSE-SU-2021:1244-1
Updated: 2026-11-02

OSVSUSE-SU-2021:1245-1 No score

Security update for qemu

This update for qemu fixes the following issues:

Fix OOB access in sm501 device emulation (CVE-2020-12829, bsc#1172385)
Fix OOB access possibility in MegaRAID SAS 8708EM2 emulation (CVE-2020-13362 bsc#1172383)
Fix use-after-free in usb xhci packet handling (CVE-2020-25723, bsc#1178934)
Fix use-after-free in usb ehci packet handling (CVE-2020-25084, bsc#1176673)
Fix OOB access in usb hcd-ohci emulation (CVE-2020-25624, bsc#1176682)
Fix infinite loop (DoS) in usb hcd-ohci emulation (CVE-2020-25625, bsc#1176684)
Fix guest triggerable assert in shared network handling code (CVE-2020-27617, bsc#1178174)
Fix infinite loop (DoS) in e1000e device emulation (CVE-2020-28916, bsc#1179468)
Fix OOB access in atapi emulation (CVE-2020-29443, bsc#1181108)
Fix heap overflow in MSIx emulation (CVE-2020-27821, bsc#1179686)
Fix null pointer deref. (DoS) in mmio ops (CVE-2020-15469, bsc#1173612)
Fix infinite loop (DoS) in e1000 device emulation (CVE-2021-20257, bsc#1182577)
Fix OOB access (stack overflow) in rtl8139 NIC emulation (CVE-2021-3416, bsc#1182968)
Fix OOB access (stack overflow) in other NIC emulations (CVE-2021-3416)
Fix OOB access in SLIRP ARP/NCSI packet processing (CVE-2020-29129, bsc#1179466, CVE-2020-29130, bsc#1179467)
Fix null pointer dereference possibility (DoS) in MegaRAID SAS 8708EM2 emulation (CVE-2020-13659 bsc#1172386)
Fix issue where s390 guest fails to find zipl boot menu index (bsc#1183979)
Fix OOB access in iscsi (CVE-2020-11947 bsc#1180523)
Fix OOB access in vmxnet3 emulation (CVE-2021-20203 bsc#1181639)
Fix package scripts to not use hard coded paths for temporary working directories and log files (bsc#1182425)
Fix potential privilege escalation in virtfs (CVE-2021-20181 bsc#1182137)
Apply fixes to qemu scsi passthrough with respect to timeout and error conditions, including using more correct status codes. (bsc#1178049)
Fix OOB access in ARM interrupt handling (CVE-2021-20221 bsc#1181933)
Tweaks to spec file for better formatting, and remove not needed BuildRequires for e2fsprogs-devel and libpcap-devel
Fix OOB access possibility in ES1370 audio device emulation (CVE-2020-13361 bsc#1172384)
Fix OOB access in ROM loading (CVE-2020-13765 bsc#1172478)
Fix OOB access while processing USB packets (CVE-2020-14364 bsc#1175441)
Fix DoS in packet processing of various emulated NICs (CVE-2020-16092 bsc#1174641)
Fix buffer overflow in the XGMAC device (CVE-2020-15863 bsc#1174386)
Use '%service_del_postun_without_restart' instead of '%service_del_postun' to avoid 'Failed to try-restart [email protected]' error while updating the qemu-guest-agent. (bsc#1178565)

Record: SUSE-SU-2021:1245-1
Updated: 2026-11-02

OSVSUSE-SU-2021:1305-1 No score

Security update for qemu

This update for qemu fixes the following issues:

Fix OOB access in sm501 device emulation (CVE-2020-12829, bsc#1172385)
Fix OOB access possibility in MegaRAID SAS 8708EM2 emulation (CVE-2020-13362 bsc#1172383)
Fix use-after-free in usb xhci packet handling (CVE-2020-25723, bsc#1178934)
Fix use-after-free in usb ehci packet handling (CVE-2020-25084, bsc#1176673)
Fix OOB access in usb hcd-ohci emulation (CVE-2020-25624, bsc#1176682)
Fix infinite loop (DoS) in usb hcd-ohci emulation (CVE-2020-25625, bsc#1176684)
Fix guest triggerable assert in shared network handling code (CVE-2020-27617, bsc#1178174)
Fix OOB access in atapi emulation (CVE-2020-29443, bsc#1181108)
Fix null pointer deref. (DoS) in mmio ops (CVE-2020-15469, bsc#1173612)
Fix infinite loop (DoS) in e1000 device emulation (CVE-2021-20257, bsc#1182577)
Fix OOB access (stack overflow) in rtl8139 NIC emulation (CVE-2021-3416, bsc#1182968)
Fix OOB access (stack overflow) in other NIC emulations (CVE-2021-3416)
Fix OOB access in SLIRP ARP packet processing (CVE-2020-29130, bsc#1179467)
Fix null pointer dereference possibility (DoS) in MegaRAID SAS 8708EM2 emulation (CVE-2020-13659 bsc#1172386
Fix OOB access in iscsi (CVE-2020-11947 bsc#1180523)
Fix OOB access in vmxnet3 emulation (CVE-2021-20203 bsc#1181639)
Fix buffer overflow in the XGMAC device (CVE-2020-15863 bsc#1174386)
Fix DoS in packet processing of various emulated NICs (CVE-2020-16092 bsc#1174641)
Fix OOB access while processing USB packets (CVE-2020-14364 bsc#1175441)
Fix package scripts to not use hard coded paths for temporary working directories and log files (bsc#1182425)
Fix potential privilege escalation in virtfs (CVE-2021-20181 bsc#1182137)
Fix OOB access possibility in ES1370 audio device emulation (CVE-2020-13361 bsc#1172384)
Fix OOB access in ROM loading (CVE-2020-13765 bsc#1172478)

Record: SUSE-SU-2021:1305-1
Updated: 2026-11-02

OSVSUSE-SU-2021:14704-1 No score

Security update for kvm

This update for kvm fixes the following issues:

Fix OOB read and write due to integer overflow in sm501_2d_operation() in hw/display/sm501.c (CVE-2020-12829, bsc#1172385)
Fix OOB access possibility in MegaRAID SAS 8708EM2 emulation (CVE-2020-13362 bsc#1172383)
Fix use-after-free in usb xhci packet handling (CVE-2020-25723, bsc#1178934)
Fix use-after-free in usb ehci packet handling (CVE-2020-25084, bsc#1176673)
Fix OOB access in usb hcd-ohci emulation (CVE-2020-25624, bsc#1176682)
Fix infinite loop (DoS) in usb hcd-ohci emulation (CVE-2020-25625, bsc#1176684)
Fix OOB access in atapi emulation (CVE-2020-29443, bsc#1181108)
Fix DoS in e1000 emulated device (CVE-2021-20257 bsc#1182577)
Fix OOB access in SLIRP ARP packet processing (CVE-2020-29130, bsc#1179467)
Fix OOB access while processing USB packets (CVE-2020-14364 bsc#1175441)
Fix potential privilege escalation in virtfs (CVE-2021-20181 bsc#1182137)
Fix package scripts to not use hard coded paths for temporary working directories and log files (bsc#1182425)
Fix OOB access possibility in ES1370 audio device emulation (CVE-2020-13361 bsc#1172384)
Fix OOB access in ROM loading (CVE-2020-13765 bsc#1172478)

Record: SUSE-SU-2021:14704-1
Updated: 2026-11-02

OSVSUSE-SU-2021:14706-1 No score

Security update for kvm

This update for kvm fixes the following issues:

Fix OOB read and write due to integer overflow in sm501_2d_operation() in hw/display/sm501.c (CVE-2020-12829, bsc#1172385)
Fix OOB access possibility in MegaRAID SAS 8708EM2 emulation (CVE-2020-13362 bsc#1172383)
Fix use-after-free in usb xhci packet handling (CVE-2020-25723, bsc#1178934)
Fix use-after-free in usb ehci packet handling (CVE-2020-25084, bsc#1176673)
Fix OOB access in usb hcd-ohci emulation (CVE-2020-25624, bsc#1176682)
Fix infinite loop (DoS) in usb hcd-ohci emulation (CVE-2020-25625, bsc#1176684)
Fix OOB access in atapi emulation (CVE-2020-29443, bsc#1181108)
Fix DoS in e1000 emulated device (CVE-2021-20257 bsc#1182577)
Fix OOB access in SLIRP ARP packet processing (CVE-2020-29130, bsc#1179467)
Fix OOB access while processing USB packets (CVE-2020-14364 bsc#1175441)
Fix potential privilege escalation in virtfs (CVE-2021-20181 bsc#1182137)
Fix package scripts to not use hard coded paths for temporary working directories and log files (bsc#1182425)
Fix use-after-free in slirp (CVE-2019-15890 bsc#1149811)
Fix for similar problems as for the original fix prompting this issue (CVE-2019-6778 bsc#1123156)
Fix potential OOB accesses in slirp (CVE-2020-8608 bsc#1163018 CVE-2020-7039 bsc#1161066)
Fix use after free in slirp (CVE-2020-1983 bsc#1170940)
Fix potential DOS in lsi scsi controller emulation (CVE-2019-12068 bsc#1146873)
Fix OOB access possibility in ES1370 audio device emulation (CVE-2020-13361 bsc#1172384)
Fix OOB access in ROM loading (CVE-2020-13765 bsc#1172478)

Record: SUSE-SU-2021:14706-1
Updated: 2026-11-02

OSVUSN-4467-1 No score

qemu vulnerabilities

Ziming Zhang and VictorV discovered that the QEMU SLiRP networking implementation incorrectly handled replying to certain ICMP echo requests. An attacker inside a guest could possibly use this issue to leak host memory to obtain sensitive information. This issue only affected Ubuntu 18.04 LTS. (CVE-2020-10756)

Eric Blake and Xueqiang Wei discovered that the QEMU NDB implementation incorrectly handled certain requests. A remote attacker could possibly use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-10761)

Ziming Zhang discovered that the QEMU SM501 graphics driver incorrectly handled certain operations. An attacker inside a guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-12829)

It was discovered that the QEMU SD memory card implementation incorrectly handled certain memory operations. An attacker inside a guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2020-13253)

Ren Ding and Hanqing Zhao discovered that the QEMU ES1370 audio driver incorrectly handled certain invalid frame counts. An attacker inside a guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2020-13361)

Ren Ding and Hanqing Zhao discovered that the QEMU MegaRAID SAS SCSI driver incorrectly handled certain memory operations. An attacker inside a guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2020-13362)

Alexander Bulekov discovered that QEMU MegaRAID SAS SCSI driver incorrectly handled certain memory space operations. An attacker inside a guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2020-13659)

Ren Ding, Hanqing Zhao, Alexander Bulekov, and Anatoly Trosinenko discovered that the QEMU incorrectly handled certain msi-x mmio operations. An attacker inside a guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2020-13754)

It was discovered that QEMU incorrectly handled certain memory copy operations when loading ROM contents. If a user were tricked into running an untrusted kernel image, a remote attacker could possibly use this issue to run arbitrary code. This issue only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2020-13765)

Ren Ding, Hanqing Zhao, and Yi Ren discovered that the QEMU ATI video driver incorrectly handled certain index values. An attacker inside a guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-13800)

Ziming Zhang discovered that the QEMU OSS audio driver incorrectly handled certain operations. An attacker inside a guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 20.04 LTS. (CVE-2020-14415)

Ziming Zhang discovered that the QEMU XGMAC Ethernet controller incorrectly handled packet transmission. An attacker inside a guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code. (CVE-2020-15863)

Ziming Zhang discovered that the QEMU e1000e Ethernet controller incorrectly handled packet processing. An attacker inside a guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-16092)

Record: USN-4467-1
Updated: 2026-11-02

OSVUSN-7094-1 No score

qemu vulnerabilities

It was discovered that QEMU incorrectly handled memory during certain VNC operations. A remote attacker could possibly use this issue to cause QEMU to consume resources, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS. (CVE-2019-20382)

Aviv Sasson discovered that QEMU incorrectly handled Slirp networking. A remote attacker could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2020-1983)

It was discovered that the SLiRP networking implementation of the QEMU emulator did not properly manage memory under certain circumstances. An attacker could use this to cause a heap-based buffer overflow or other out- of-bounds access, which can lead to a denial of service (application crash) or potential execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2020-7039)

It was discovered that the SLiRP networking implementation of the QEMU emulator misuses snprintf return values. An attacker could use this to cause a denial of service (application crash) or potentially execute arbitrary code. This issue only affected Ubuntu 14.04 LTS. (CVE-2020-8608)

It was discovered that QEMU SLiRP networking incorrectly handled certain udp packets. An attacker inside a guest could possibly use this issue to leak sensitive information from the host. This issue only affected Ubuntu 14.04 LTS and Ubuntu 16.04 LTS. (CVE-2021-3592, CVE-2021-3594)

It was discovered that QEMU had a DMA reentrancy issue, leading to a use-after-free vulnerability. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS and Ubuntu 22.04 LTS. (CVE-2023-3019)

It was discovered that QEMU had a flaw in Virtio PCI Bindings, leading to a triggerable crash via vhost_net_stop. An attacker inside a guest could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 24.04 LTS and Ubuntu 24.10. (CVE-2024-4693)

It was discovered that QEMU incorrectly handled memory in virtio-sound, leading to a heap-based buffer overflow. An attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 24.04 LTS and Ubuntu 24.10. (CVE-2024-7730)

Record: USN-7094-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`qemu` Alpine:v3.16	before 4.2.0-r0	4.2.0-r0
`qemu` Alpine:v3.17	before 4.2.0-r0	4.2.0-r0
`qemu` Alpine:v3.18	before 4.2.0-r0	4.2.0-r0
`qemu` Alpine:v3.19	before 4.2.0-r0	4.2.0-r0
`qemu` Alpine:v3.20	before 4.2.0-r0	4.2.0-r0
`qemu` Alpine:v3.21	before 4.2.0-r0	4.2.0-r0
`qemu` Alpine:v3.22	before 4.2.0-r0	4.2.0-r0
`qemu` Alpine:v3.23	before 4.2.0-r0	4.2.0-r0
`qemu` Alpine:v3.24	before 4.2.0-r0	4.2.0-r0
`qemu` Debian:12	before 1:4.2-1	1:4.2-1

Show 65 moreShow less

Affected packages
Package	Affected	Fixed
`qemu` Debian:13	before 1:4.2-1	1:4.2-1
`qemu` Debian:14	before 1:4.2-1	1:4.2-1
`qemu` Debian:8 From an advisory covering 4 CVEs	before 1:2.1+dfsg-12+deb8u15, plus listed versions 1:2.1+dfsg-111:2.1+dfsg-121:2.1+dfsg-12+deb8u11:2.1+dfsg-12+deb8u101:2.1+dfsg-12+deb8u11 Show 15 moreShow less 1:2.1+dfsg-12+deb8u121:2.1+dfsg-12+deb8u131:2.1+dfsg-12+deb8u141:2.1+dfsg-12+deb8u21:2.1+dfsg-12+deb8u31:2.1+dfsg-12+deb8u41:2.1+dfsg-12+deb8u4~bpo70+11:2.1+dfsg-12+deb8u51:2.1+dfsg-12+deb8u5a1:2.1+dfsg-12+deb8u5a~bpo70+11:2.1+dfsg-12+deb8u61:2.1+dfsg-12+deb8u71:2.1+dfsg-12+deb8u81:2.1+dfsg-12+deb8u91:2.1+dfsg-12~bpo70+1	1:2.1+dfsg-12+deb8u15
`qemu` Debian:9 From an advisory covering 13 CVEs	before 1:2.8+dfsg-6+deb9u10, plus listed versions 1:2.8+dfsg-61:2.8+dfsg-6+deb9u11:2.8+dfsg-6+deb9u21:2.8+dfsg-6+deb9u31:2.8+dfsg-6+deb9u4 Show 5 moreShow less 1:2.8+dfsg-6+deb9u51:2.8+dfsg-6+deb9u61:2.8+dfsg-6+deb9u71:2.8+dfsg-6+deb9u81:2.8+dfsg-6+deb9u9	1:2.8+dfsg-6+deb9u10
`qemu` Debian:10 From an advisory covering 6 CVEs	before 1:3.1+dfsg-8+deb10u6, plus listed versions 1:3.1+dfsg-81:3.1+dfsg-8+deb10u21:3.1+dfsg-8+deb10u31:3.1+dfsg-8+deb10u41:3.1+dfsg-8+deb10u51:3.1+dfsg-8~deb10u1	1:3.1+dfsg-8+deb10u6
`qemu-img` Red Hat:enterprise_linux:7::client From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu-kvm` Red Hat:enterprise_linux:7::client From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu-kvm-common` Red Hat:enterprise_linux:7::client From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu-kvm-debuginfo` Red Hat:enterprise_linux:7::client From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu-kvm-tools` Red Hat:enterprise_linux:7::client From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu-img` Red Hat:enterprise_linux:7::computenode From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu-kvm` Red Hat:enterprise_linux:7::computenode From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu-kvm-common` Red Hat:enterprise_linux:7::computenode From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu-kvm-debuginfo` Red Hat:enterprise_linux:7::computenode From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu-kvm-tools` Red Hat:enterprise_linux:7::computenode From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu-img` Red Hat:enterprise_linux:7::server From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu-kvm` Red Hat:enterprise_linux:7::server From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu-kvm-common` Red Hat:enterprise_linux:7::server From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu-kvm-debuginfo` Red Hat:enterprise_linux:7::server From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu-kvm-tools` Red Hat:enterprise_linux:7::server From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu-img` Red Hat:enterprise_linux:7::workstation From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu-kvm` Red Hat:enterprise_linux:7::workstation From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu-kvm-common` Red Hat:enterprise_linux:7::workstation From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu-kvm-debuginfo` Red Hat:enterprise_linux:7::workstation From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu-kvm-tools` Red Hat:enterprise_linux:7::workstation From an advisory covering 2 CVEs	before 10:1.5.3-175.el7_9.3	10:1.5.3-175.el7_9.3
`qemu` SUSE:HPE Helion OpenStack 8 From an advisory covering 22 CVEs	before 2.9.1-6.47.1	2.9.1-6.47.1
`qemu` SUSE:OpenStack Cloud 8 From an advisory covering 22 CVEs	before 2.9.1-6.47.1	2.9.1-6.47.1
`qemu` SUSE:OpenStack Cloud Crowbar 8 From an advisory covering 22 CVEs	before 2.9.1-6.47.1	2.9.1-6.47.1
`qemu` SUSE:Linux Enterprise Server for SAP Applications 12 SP3 From an advisory covering 22 CVEs	before 2.9.1-6.47.1	2.9.1-6.47.1
`qemu` SUSE:Linux Enterprise Server 12 SP3-LTSS From an advisory covering 22 CVEs	before 2.9.1-6.47.1	2.9.1-6.47.1
`qemu` SUSE:Linux Enterprise Server 12 SP3-BCL From an advisory covering 22 CVEs	before 2.9.1-6.47.1	2.9.1-6.47.1
`qemu` SUSE:OpenStack Cloud 9 From an advisory covering 24 CVEs	before 2.11.2-5.29.1	2.11.2-5.29.1
`qemu` SUSE:OpenStack Cloud Crowbar 9 From an advisory covering 24 CVEs	before 2.11.2-5.29.1	2.11.2-5.29.1
`qemu` SUSE:Linux Enterprise Server for SAP Applications 12 SP4 From an advisory covering 24 CVEs	before 2.11.2-5.29.1	2.11.2-5.29.1
`qemu` SUSE:Linux Enterprise Server 12 SP4-LTSS From an advisory covering 24 CVEs	before 2.11.2-5.29.1	2.11.2-5.29.1
`qemu` SUSE:Linux Enterprise Server 12 SP5 From an advisory covering 21 CVEs	before 3.1.1.1-48.2	3.1.1.1-48.2
`qemu` SUSE:Linux Enterprise Server for SAP Applications 12 SP5 From an advisory covering 21 CVEs	before 3.1.1.1-48.2	3.1.1.1-48.2
`qemu` SUSE:Linux Enterprise High Performance Computing 15-ESPOS From an advisory covering 24 CVEs	before 2.11.2-9.43.1	2.11.2-9.43.1
`qemu` SUSE:Linux Enterprise High Performance Computing 15-LTSS From an advisory covering 24 CVEs	before 2.11.2-9.43.1	2.11.2-9.43.1
`qemu` SUSE:Linux Enterprise Server 15-LTSS From an advisory covering 24 CVEs	before 2.11.2-9.43.1	2.11.2-9.43.1
`qemu` SUSE:Linux Enterprise Server for SAP Applications 15 From an advisory covering 24 CVEs	before 2.11.2-9.43.1	2.11.2-9.43.1
`qemu` SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS From an advisory covering 25 CVEs	before 3.1.1.1-9.24.3	3.1.1.1-9.24.3
`qemu` SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS From an advisory covering 25 CVEs	before 3.1.1.1-9.24.3	3.1.1.1-9.24.3
`qemu` SUSE:Linux Enterprise Server 15 SP1-BCL From an advisory covering 25 CVEs	before 3.1.1.1-9.24.3	3.1.1.1-9.24.3
`qemu` SUSE:Linux Enterprise Server 15 SP1-LTSS From an advisory covering 25 CVEs	before 3.1.1.1-9.24.3	3.1.1.1-9.24.3
`qemu` SUSE:Linux Enterprise Server for SAP Applications 15 SP1 From an advisory covering 25 CVEs	before 3.1.1.1-9.24.3	3.1.1.1-9.24.3
`qemu` SUSE:Manager Proxy 4.0 From an advisory covering 25 CVEs	before 3.1.1.1-9.24.3	3.1.1.1-9.24.3
`qemu` SUSE:Manager Retail Branch Server 4.0 From an advisory covering 25 CVEs	before 3.1.1.1-9.24.3	3.1.1.1-9.24.3
`qemu` SUSE:Manager Server 4.0 From an advisory covering 25 CVEs	before 3.1.1.1-9.24.3	3.1.1.1-9.24.3
`qemu` SUSE:Enterprise Storage 6 From an advisory covering 25 CVEs	before 3.1.1.1-9.24.3	3.1.1.1-9.24.3
`qemu` SUSE:Linux Enterprise Server 12 SP2-BCL From an advisory covering 21 CVEs	before 2.6.2-41.62.1	2.6.2-41.62.1
`kvm` SUSE:Linux Enterprise Server 11 SP4-LTSS From an advisory covering 15 CVEs	before 1.4.2-60.34.1	1.4.2-60.34.1
`kvm` SUSE:Linux Enterprise Point of Sale 11 SP3 From an advisory covering 21 CVEs	before 1.4.2-53.38.1	1.4.2-53.38.1
`qemu` Ubuntu:Pro:14.04:LTS	before 2.0.0+dfsg-2ubuntu1.47+esm4, plus listed versions 1.5.0+dfsg-3ubuntu51.5.0+dfsg-3ubuntu61.6.0+dfsg-2ubuntu11.6.0+dfsg-2ubuntu21.6.0+dfsg-2ubuntu3 Show 45 moreShow less 1.6.0+dfsg-2ubuntu41.7.0+dfsg-2ubuntu11.7.0+dfsg-2ubuntu21.7.0+dfsg-2ubuntu31.7.0+dfsg-2ubuntu41.7.0+dfsg-2ubuntu51.7.0+dfsg-2ubuntu71.7.0+dfsg-2ubuntu81.7.0+dfsg-2ubuntu91.7.0+dfsg-3ubuntu1~ppa11.7.0+dfsg-3ubuntu11.7.0+dfsg-3ubuntu21.7.0+dfsg-3ubuntu31.7.0+dfsg-3ubuntu41.7.0+dfsg-3ubuntu51.7.0+dfsg-3ubuntu61.7.0+dfsg-3ubuntu72.0.0~rc1+dfsg-0ubuntu12.0.0~rc1+dfsg-0ubuntu22.0.0~rc1+dfsg-0ubuntu32.0.0~rc1+dfsg-0ubuntu3.12.0.0+dfsg-2ubuntu12.0.0+dfsg-2ubuntu1.12.0.0+dfsg-2ubuntu1.22.0.0+dfsg-2ubuntu1.32.0.0+dfsg-2ubuntu1.52.0.0+dfsg-2ubuntu1.62.0.0+dfsg-2ubuntu1.72.0.0+dfsg-2ubuntu1.82.0.0+dfsg-2ubuntu1.92.0.0+dfsg-2ubuntu1.102.0.0+dfsg-2ubuntu1.112.0.0+dfsg-2ubuntu1.132.0.0+dfsg-2ubuntu1.142.0.0+dfsg-2ubuntu1.152.0.0+dfsg-2ubuntu1.162.0.0+dfsg-2ubuntu1.172.0.0+dfsg-2ubuntu1.182.0.0+dfsg-2ubuntu1.192.0.0+dfsg-2ubuntu1.202.0.0+dfsg-2ubuntu1.212.0.0+dfsg-2ubuntu1.222.0.0+dfsg-2ubuntu1.242.0.0+dfsg-2ubuntu1.252.0.0+dfsg-2ubuntu1.26	2.0.0+dfsg-2ubuntu1.47+esm4
`qemu` Ubuntu:16.04:LTS	before 1:2.5+dfsg-5ubuntu10.45, plus listed versions 1:2.3+dfsg-5ubuntu91:2.3+dfsg-5ubuntu101:2.4+dfsg-4ubuntu11:2.4+dfsg-4ubuntu21:2.4+dfsg-4ubuntu3 Show 45 moreShow less 1:2.4+dfsg-5ubuntu31:2.5+dfsg-1ubuntu21:2.5+dfsg-1ubuntu31:2.5+dfsg-1ubuntu41:2.5+dfsg-1ubuntu51:2.5+dfsg-5ubuntu11:2.5+dfsg-5ubuntu21:2.5+dfsg-5ubuntu41:2.5+dfsg-5ubuntu61:2.5+dfsg-5ubuntu71:2.5+dfsg-5ubuntu101:2.5+dfsg-5ubuntu10.11:2.5+dfsg-5ubuntu10.21:2.5+dfsg-5ubuntu10.31:2.5+dfsg-5ubuntu10.41:2.5+dfsg-5ubuntu10.51:2.5+dfsg-5ubuntu10.61:2.5+dfsg-5ubuntu10.71:2.5+dfsg-5ubuntu10.81:2.5+dfsg-5ubuntu10.91:2.5+dfsg-5ubuntu10.101:2.5+dfsg-5ubuntu10.111:2.5+dfsg-5ubuntu10.131:2.5+dfsg-5ubuntu10.141:2.5+dfsg-5ubuntu10.151:2.5+dfsg-5ubuntu10.161:2.5+dfsg-5ubuntu10.201:2.5+dfsg-5ubuntu10.211:2.5+dfsg-5ubuntu10.221:2.5+dfsg-5ubuntu10.241:2.5+dfsg-5ubuntu10.251:2.5+dfsg-5ubuntu10.261:2.5+dfsg-5ubuntu10.281:2.5+dfsg-5ubuntu10.291:2.5+dfsg-5ubuntu10.301:2.5+dfsg-5ubuntu10.311:2.5+dfsg-5ubuntu10.321:2.5+dfsg-5ubuntu10.331:2.5+dfsg-5ubuntu10.341:2.5+dfsg-5ubuntu10.351:2.5+dfsg-5ubuntu10.361:2.5+dfsg-5ubuntu10.371:2.5+dfsg-5ubuntu10.381:2.5+dfsg-5ubuntu10.391:2.5+dfsg-5ubuntu10.40	1:2.5+dfsg-5ubuntu10.45
`qemu` Ubuntu:18.04:LTS	before 1:2.11+dfsg-1ubuntu7.31, plus listed versions 1:2.10+dfsg-0ubuntu31:2.10+dfsg-0ubuntu41:2.10+dfsg-0ubuntu51:2.11+dfsg-1ubuntu11:2.11+dfsg-1ubuntu2 Show 30 moreShow less 1:2.11+dfsg-1ubuntu41:2.11+dfsg-1ubuntu51:2.11+dfsg-1ubuntu61:2.11+dfsg-1ubuntu71:2.11+dfsg-1ubuntu7.11:2.11+dfsg-1ubuntu7.21:2.11+dfsg-1ubuntu7.31:2.11+dfsg-1ubuntu7.41:2.11+dfsg-1ubuntu7.51:2.11+dfsg-1ubuntu7.61:2.11+dfsg-1ubuntu7.71:2.11+dfsg-1ubuntu7.81:2.11+dfsg-1ubuntu7.91:2.11+dfsg-1ubuntu7.101:2.11+dfsg-1ubuntu7.121:2.11+dfsg-1ubuntu7.131:2.11+dfsg-1ubuntu7.141:2.11+dfsg-1ubuntu7.151:2.11+dfsg-1ubuntu7.171:2.11+dfsg-1ubuntu7.181:2.11+dfsg-1ubuntu7.191:2.11+dfsg-1ubuntu7.201:2.11+dfsg-1ubuntu7.211:2.11+dfsg-1ubuntu7.221:2.11+dfsg-1ubuntu7.231:2.11+dfsg-1ubuntu7.251:2.11+dfsg-1ubuntu7.261:2.11+dfsg-1ubuntu7.271:2.11+dfsg-1ubuntu7.281:2.11+dfsg-1ubuntu7.29	1:2.11+dfsg-1ubuntu7.31
`qemu` Ubuntu:16.04:LTS From an advisory covering 13 CVEs	before 1:2.5+dfsg-5ubuntu10.45, plus listed versions 1:2.3+dfsg-5ubuntu91:2.3+dfsg-5ubuntu101:2.4+dfsg-4ubuntu11:2.4+dfsg-4ubuntu21:2.4+dfsg-4ubuntu3 Show 45 moreShow less 1:2.4+dfsg-5ubuntu31:2.5+dfsg-1ubuntu21:2.5+dfsg-1ubuntu31:2.5+dfsg-1ubuntu41:2.5+dfsg-1ubuntu51:2.5+dfsg-5ubuntu11:2.5+dfsg-5ubuntu21:2.5+dfsg-5ubuntu41:2.5+dfsg-5ubuntu61:2.5+dfsg-5ubuntu71:2.5+dfsg-5ubuntu101:2.5+dfsg-5ubuntu10.11:2.5+dfsg-5ubuntu10.21:2.5+dfsg-5ubuntu10.31:2.5+dfsg-5ubuntu10.41:2.5+dfsg-5ubuntu10.51:2.5+dfsg-5ubuntu10.61:2.5+dfsg-5ubuntu10.71:2.5+dfsg-5ubuntu10.81:2.5+dfsg-5ubuntu10.91:2.5+dfsg-5ubuntu10.101:2.5+dfsg-5ubuntu10.111:2.5+dfsg-5ubuntu10.131:2.5+dfsg-5ubuntu10.141:2.5+dfsg-5ubuntu10.151:2.5+dfsg-5ubuntu10.161:2.5+dfsg-5ubuntu10.201:2.5+dfsg-5ubuntu10.211:2.5+dfsg-5ubuntu10.221:2.5+dfsg-5ubuntu10.241:2.5+dfsg-5ubuntu10.251:2.5+dfsg-5ubuntu10.261:2.5+dfsg-5ubuntu10.281:2.5+dfsg-5ubuntu10.291:2.5+dfsg-5ubuntu10.301:2.5+dfsg-5ubuntu10.311:2.5+dfsg-5ubuntu10.321:2.5+dfsg-5ubuntu10.331:2.5+dfsg-5ubuntu10.341:2.5+dfsg-5ubuntu10.351:2.5+dfsg-5ubuntu10.361:2.5+dfsg-5ubuntu10.371:2.5+dfsg-5ubuntu10.381:2.5+dfsg-5ubuntu10.391:2.5+dfsg-5ubuntu10.40	1:2.5+dfsg-5ubuntu10.45
`qemu` Ubuntu:18.04:LTS From an advisory covering 13 CVEs	before 1:2.11+dfsg-1ubuntu7.31, plus listed versions 1:2.10+dfsg-0ubuntu31:2.10+dfsg-0ubuntu41:2.10+dfsg-0ubuntu51:2.11+dfsg-1ubuntu11:2.11+dfsg-1ubuntu2 Show 30 moreShow less 1:2.11+dfsg-1ubuntu41:2.11+dfsg-1ubuntu51:2.11+dfsg-1ubuntu61:2.11+dfsg-1ubuntu71:2.11+dfsg-1ubuntu7.11:2.11+dfsg-1ubuntu7.21:2.11+dfsg-1ubuntu7.31:2.11+dfsg-1ubuntu7.41:2.11+dfsg-1ubuntu7.51:2.11+dfsg-1ubuntu7.61:2.11+dfsg-1ubuntu7.71:2.11+dfsg-1ubuntu7.81:2.11+dfsg-1ubuntu7.91:2.11+dfsg-1ubuntu7.101:2.11+dfsg-1ubuntu7.121:2.11+dfsg-1ubuntu7.131:2.11+dfsg-1ubuntu7.141:2.11+dfsg-1ubuntu7.151:2.11+dfsg-1ubuntu7.171:2.11+dfsg-1ubuntu7.181:2.11+dfsg-1ubuntu7.191:2.11+dfsg-1ubuntu7.201:2.11+dfsg-1ubuntu7.211:2.11+dfsg-1ubuntu7.221:2.11+dfsg-1ubuntu7.231:2.11+dfsg-1ubuntu7.251:2.11+dfsg-1ubuntu7.261:2.11+dfsg-1ubuntu7.271:2.11+dfsg-1ubuntu7.281:2.11+dfsg-1ubuntu7.29	1:2.11+dfsg-1ubuntu7.31
`qemu` Ubuntu:20.04:LTS From an advisory covering 13 CVEs	before 1:4.2-3ubuntu6.4, plus listed versions 1:4.0+dfsg-0ubuntu91:4.0+dfsg-0ubuntu101:4.2-1ubuntu11:4.2-1ubuntu21:4.2-3ubuntu1 Show 8 moreShow less 1:4.2-3ubuntu21:4.2-3ubuntu31:4.2-3ubuntu41:4.2-3ubuntu51:4.2-3ubuntu61:4.2-3ubuntu6.11:4.2-3ubuntu6.21:4.2-3ubuntu6.3	1:4.2-3ubuntu6.4
`qemu` Ubuntu:Pro:14.04:LTS From an advisory covering 10 CVEs	before 2.0.0+dfsg-2ubuntu1.47+esm4, plus listed versions 1.5.0+dfsg-3ubuntu51.5.0+dfsg-3ubuntu61.6.0+dfsg-2ubuntu11.6.0+dfsg-2ubuntu21.6.0+dfsg-2ubuntu3 Show 45 moreShow less 1.6.0+dfsg-2ubuntu41.7.0+dfsg-2ubuntu11.7.0+dfsg-2ubuntu21.7.0+dfsg-2ubuntu31.7.0+dfsg-2ubuntu41.7.0+dfsg-2ubuntu51.7.0+dfsg-2ubuntu71.7.0+dfsg-2ubuntu81.7.0+dfsg-2ubuntu91.7.0+dfsg-3ubuntu1~ppa11.7.0+dfsg-3ubuntu11.7.0+dfsg-3ubuntu21.7.0+dfsg-3ubuntu31.7.0+dfsg-3ubuntu41.7.0+dfsg-3ubuntu51.7.0+dfsg-3ubuntu61.7.0+dfsg-3ubuntu72.0.0~rc1+dfsg-0ubuntu12.0.0~rc1+dfsg-0ubuntu22.0.0~rc1+dfsg-0ubuntu32.0.0~rc1+dfsg-0ubuntu3.12.0.0+dfsg-2ubuntu12.0.0+dfsg-2ubuntu1.12.0.0+dfsg-2ubuntu1.22.0.0+dfsg-2ubuntu1.32.0.0+dfsg-2ubuntu1.52.0.0+dfsg-2ubuntu1.62.0.0+dfsg-2ubuntu1.72.0.0+dfsg-2ubuntu1.82.0.0+dfsg-2ubuntu1.92.0.0+dfsg-2ubuntu1.102.0.0+dfsg-2ubuntu1.112.0.0+dfsg-2ubuntu1.132.0.0+dfsg-2ubuntu1.142.0.0+dfsg-2ubuntu1.152.0.0+dfsg-2ubuntu1.162.0.0+dfsg-2ubuntu1.172.0.0+dfsg-2ubuntu1.182.0.0+dfsg-2ubuntu1.192.0.0+dfsg-2ubuntu1.202.0.0+dfsg-2ubuntu1.212.0.0+dfsg-2ubuntu1.222.0.0+dfsg-2ubuntu1.242.0.0+dfsg-2ubuntu1.252.0.0+dfsg-2ubuntu1.26	2.0.0+dfsg-2ubuntu1.47+esm4
`qemu` Ubuntu:Pro:16.04:LTS From an advisory covering 10 CVEs	before 1:2.5+dfsg-5ubuntu10.51+esm3, plus listed versions 1:2.3+dfsg-5ubuntu91:2.3+dfsg-5ubuntu101:2.4+dfsg-4ubuntu11:2.4+dfsg-4ubuntu21:2.4+dfsg-4ubuntu3 Show 45 moreShow less 1:2.4+dfsg-5ubuntu31:2.5+dfsg-1ubuntu21:2.5+dfsg-1ubuntu31:2.5+dfsg-1ubuntu41:2.5+dfsg-1ubuntu51:2.5+dfsg-5ubuntu11:2.5+dfsg-5ubuntu21:2.5+dfsg-5ubuntu41:2.5+dfsg-5ubuntu61:2.5+dfsg-5ubuntu71:2.5+dfsg-5ubuntu101:2.5+dfsg-5ubuntu10.11:2.5+dfsg-5ubuntu10.21:2.5+dfsg-5ubuntu10.31:2.5+dfsg-5ubuntu10.41:2.5+dfsg-5ubuntu10.51:2.5+dfsg-5ubuntu10.61:2.5+dfsg-5ubuntu10.71:2.5+dfsg-5ubuntu10.81:2.5+dfsg-5ubuntu10.91:2.5+dfsg-5ubuntu10.101:2.5+dfsg-5ubuntu10.111:2.5+dfsg-5ubuntu10.131:2.5+dfsg-5ubuntu10.141:2.5+dfsg-5ubuntu10.151:2.5+dfsg-5ubuntu10.161:2.5+dfsg-5ubuntu10.201:2.5+dfsg-5ubuntu10.211:2.5+dfsg-5ubuntu10.221:2.5+dfsg-5ubuntu10.241:2.5+dfsg-5ubuntu10.251:2.5+dfsg-5ubuntu10.261:2.5+dfsg-5ubuntu10.281:2.5+dfsg-5ubuntu10.291:2.5+dfsg-5ubuntu10.301:2.5+dfsg-5ubuntu10.311:2.5+dfsg-5ubuntu10.321:2.5+dfsg-5ubuntu10.331:2.5+dfsg-5ubuntu10.341:2.5+dfsg-5ubuntu10.351:2.5+dfsg-5ubuntu10.361:2.5+dfsg-5ubuntu10.371:2.5+dfsg-5ubuntu10.381:2.5+dfsg-5ubuntu10.391:2.5+dfsg-5ubuntu10.40	1:2.5+dfsg-5ubuntu10.51+esm3
`qemu` Ubuntu:Pro:18.04:LTS From an advisory covering 10 CVEs	before 1:2.11+dfsg-1ubuntu7.42+esm2, plus listed versions 1:2.10+dfsg-0ubuntu31:2.10+dfsg-0ubuntu41:2.10+dfsg-0ubuntu51:2.11+dfsg-1ubuntu11:2.11+dfsg-1ubuntu2 Show 43 moreShow less 1:2.11+dfsg-1ubuntu41:2.11+dfsg-1ubuntu51:2.11+dfsg-1ubuntu61:2.11+dfsg-1ubuntu71:2.11+dfsg-1ubuntu7.11:2.11+dfsg-1ubuntu7.21:2.11+dfsg-1ubuntu7.31:2.11+dfsg-1ubuntu7.41:2.11+dfsg-1ubuntu7.51:2.11+dfsg-1ubuntu7.61:2.11+dfsg-1ubuntu7.71:2.11+dfsg-1ubuntu7.81:2.11+dfsg-1ubuntu7.91:2.11+dfsg-1ubuntu7.101:2.11+dfsg-1ubuntu7.121:2.11+dfsg-1ubuntu7.131:2.11+dfsg-1ubuntu7.141:2.11+dfsg-1ubuntu7.151:2.11+dfsg-1ubuntu7.171:2.11+dfsg-1ubuntu7.181:2.11+dfsg-1ubuntu7.191:2.11+dfsg-1ubuntu7.201:2.11+dfsg-1ubuntu7.211:2.11+dfsg-1ubuntu7.221:2.11+dfsg-1ubuntu7.231:2.11+dfsg-1ubuntu7.251:2.11+dfsg-1ubuntu7.261:2.11+dfsg-1ubuntu7.271:2.11+dfsg-1ubuntu7.281:2.11+dfsg-1ubuntu7.291:2.11+dfsg-1ubuntu7.311:2.11+dfsg-1ubuntu7.321:2.11+dfsg-1ubuntu7.331:2.11+dfsg-1ubuntu7.341:2.11+dfsg-1ubuntu7.351:2.11+dfsg-1ubuntu7.361:2.11+dfsg-1ubuntu7.371:2.11+dfsg-1ubuntu7.381:2.11+dfsg-1ubuntu7.391:2.11+dfsg-1ubuntu7.401:2.11+dfsg-1ubuntu7.411:2.11+dfsg-1ubuntu7.421:2.11+dfsg-1ubuntu7.42+esm1	1:2.11+dfsg-1ubuntu7.42+esm2
`qemu` Ubuntu:20.04:LTS From an advisory covering 10 CVEs	before 1:4.2-3ubuntu6.30, plus listed versions 1:4.0+dfsg-0ubuntu91:4.0+dfsg-0ubuntu101:4.2-1ubuntu11:4.2-1ubuntu21:4.2-3ubuntu1 Show 31 moreShow less 1:4.2-3ubuntu21:4.2-3ubuntu31:4.2-3ubuntu41:4.2-3ubuntu51:4.2-3ubuntu61:4.2-3ubuntu6.11:4.2-3ubuntu6.21:4.2-3ubuntu6.31:4.2-3ubuntu6.41:4.2-3ubuntu6.51:4.2-3ubuntu6.61:4.2-3ubuntu6.71:4.2-3ubuntu6.81:4.2-3ubuntu6.91:4.2-3ubuntu6.101:4.2-3ubuntu6.111:4.2-3ubuntu6.121:4.2-3ubuntu6.141:4.2-3ubuntu6.151:4.2-3ubuntu6.161:4.2-3ubuntu6.171:4.2-3ubuntu6.181:4.2-3ubuntu6.191:4.2-3ubuntu6.211:4.2-3ubuntu6.231:4.2-3ubuntu6.241:4.2-3ubuntu6.251:4.2-3ubuntu6.261:4.2-3ubuntu6.271:4.2-3ubuntu6.281:4.2-3ubuntu6.29	1:4.2-3ubuntu6.30
`qemu` Ubuntu:22.04:LTS From an advisory covering 10 CVEs	before 1:6.2+dfsg-2ubuntu6.24, plus listed versions 1:6.0+dfsg-2expubuntu11:6.0+dfsg-2expubuntu21:6.0+dfsg-2expubuntu41:6.2+dfsg-2ubuntu51:6.2+dfsg-2ubuntu6 Show 22 moreShow less 1:6.2+dfsg-2ubuntu6.11:6.2+dfsg-2ubuntu6.21:6.2+dfsg-2ubuntu6.31:6.2+dfsg-2ubuntu6.41:6.2+dfsg-2ubuntu6.51:6.2+dfsg-2ubuntu6.61:6.2+dfsg-2ubuntu6.71:6.2+dfsg-2ubuntu6.81:6.2+dfsg-2ubuntu6.91:6.2+dfsg-2ubuntu6.101:6.2+dfsg-2ubuntu6.111:6.2+dfsg-2ubuntu6.121:6.2+dfsg-2ubuntu6.131:6.2+dfsg-2ubuntu6.141:6.2+dfsg-2ubuntu6.151:6.2+dfsg-2ubuntu6.161:6.2+dfsg-2ubuntu6.171:6.2+dfsg-2ubuntu6.181:6.2+dfsg-2ubuntu6.191:6.2+dfsg-2ubuntu6.211:6.2+dfsg-2ubuntu6.221:6.2+dfsg-2ubuntu6.23	1:6.2+dfsg-2ubuntu6.24
`qemu` Ubuntu:24.04:LTS From an advisory covering 10 CVEs	before 1:8.2.2+ds-0ubuntu1.4, plus listed versions 1:8.0.4+dfsg-1ubuntu31:8.0.4+dfsg-1ubuntu41:8.0.4+dfsg-1ubuntu51:8.1.3+ds-1ubuntu21:8.2.1+ds-1ubuntu1 Show 4 moreShow less 1:8.2.1+ds-1ubuntu81:8.2.1+ds-1ubuntu91:8.2.2+ds-0ubuntu11:8.2.2+ds-0ubuntu1.2	1:8.2.2+ds-0ubuntu1.4

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	affected, aliases, references	OSV
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-13765 is a medium vulnerability (CVSS 5.6) in Qemu, published June 4, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.46%, the 84th percentile. Fixed in qemu 4.2.0-r0.

References

Show 125 moreShow less

This page doesn't list everything

Left out here: 66 versions and the rest of 1 source description. The JSON record has them.