CVE-2020-15469

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

2.3 LowFix available

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

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: High
User interaction: None

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: Low

Exploit likelihood

0.43%Down 0.4 points since Apr 14, 2021

What each source reports

NVD Score used 2.3

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

Record: CVE-2020-15469
CVSS 3.1: 2.3 LowCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
CVSS 2.0: 2.1 LowAV:L/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-476
Updated: 2026-11-02

CVE List No score

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

Record: CVE-2020-15469
Updated: 2026-11-02

EUVDEUVD-2020-7462 No score

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

Record: EUVD-2020-7462
Updated: 2026-11-03

GitHub AdvisoriesGHSA-35fj-h53g-7cqv 2.3

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

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

Record: GHSA-35fj-h53g-7cqv
CVSS 3.1: 2.3 LowCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Weakness: CWE-476
Updated: 2026-11-02

OSVALPINE-CVE-2020-15469 2.3

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

Record: ALPINE-CVE-2020-15469
CVSS 3.1: 2.3 LowCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-03

OSVBELL-CVE-2020-15469 2.3

CVE-2020-15469 does not affect BellSoft software

Record: BELL-CVE-2020-15469
CVSS 3.1: 2.3 LowCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-02

Show 15 moreShow less

OSV 2.3

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

Record: CVE-2020-15469
CVSS 3.1: 2.3 LowCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-02

OSVDEBIAN-CVE-2020-15469 2.3

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

Record: DEBIAN-CVE-2020-15469
CVSS 3.1: 2.3 LowCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-02

OSVOESA-2021-1211 2.3

qemu security update

QEMU is a FAST! processor emulator using dynamic translation to achieve good emulation speed.

Security Fix(es):

In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, leading to a NULL pointer dereference.(CVE-2020-15469)

Record: OESA-2021-1211
CVSS 3.1: 2.3 LowCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-02

OSVUBUNTU-CVE-2020-15469 2.3

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

Record: UBUNTU-CVE-2020-15469
CVSS 3.1: 2.3 LowCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
Updated: 2026-11-02

OSVopenSUSE-SU-2021:0600-1 No score

Security update for qemu

This update for qemu fixes the following issues:

CVE-2020-12829: Fix OOB access in sm501 device emulation (bsc#1172385)
CVE-2020-25723: Fix use-after-free in usb xhci packet handling (bsc#1178934)
CVE-2020-25084: Fix use-after-free in usb ehci packet handling (bsc#1176673)
CVE-2020-25625: Fix infinite loop (DoS) in usb hcd-ohci emulation (bsc#1176684)
CVE-2020-25624: Fix OOB access in usb hcd-ohci emulation (bsc#1176682)
CVE-2020-27617: Fix guest triggerable assert in shared network handling code (bsc#1178174)
CVE-2020-28916: Fix infinite loop (DoS) in e1000e device emulation (bsc#1179468)
CVE-2020-29443: Fix OOB access in atapi emulation (bsc#1181108)
CVE-2020-27821: Fix heap overflow in MSIx emulation (bsc#1179686)
CVE-2020-15469: Fix null pointer deref. (DoS) in mmio ops (bsc#1173612)
CVE-2021-20257: Fix infinite loop (DoS) in e1000 device emulation (bsc#1182577)
CVE-2021-3416: Fix OOB access (stack overflow) in rtl8139 NIC emulation (bsc#1182968)
CVE-2021-3416: Fix OOB access (stack overflow) in other NIC emulations (bsc#1182968)
CVE-2020-27616: Fix OOB access in ati-vga emulation (bsc#1178400)
CVE-2020-29129: Fix OOB access in SLIRP ARP/NCSI packet processing (bsc#1179466, CVE-2020-29130, bsc#1179467)
Fix package scripts to not use hard coded paths for temporary working directories and log files (bsc#1182425)
Add split-provides through forsplits/13 to cover updates of SLE15-SP2 to SLE15-SP3, and openSUSE equivalents (bsc#1184064)
Added a few more usability improvements for our git packaging workflow

This update was imported from the SUSE:SLE-15-SP2:Update update project.

Record: openSUSE-SU-2021:0600-1
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-2021:1243-1 No score

Security update for qemu

This update for qemu fixes the following issues:

CVE-2020-12829: Fix OOB access in sm501 device emulation (bsc#1172385)
CVE-2020-25723: Fix use-after-free in usb xhci packet handling (bsc#1178934)
CVE-2020-25084: Fix use-after-free in usb ehci packet handling (bsc#1176673)
CVE-2020-25625: Fix infinite loop (DoS) in usb hcd-ohci emulation (bsc#1176684)
CVE-2020-25624: Fix OOB access in usb hcd-ohci emulation (bsc#1176682)
CVE-2020-27617: Fix guest triggerable assert in shared network handling code (bsc#1178174)
CVE-2020-28916: Fix infinite loop (DoS) in e1000e device emulation (bsc#1179468)
CVE-2020-29443: Fix OOB access in atapi emulation (bsc#1181108)
CVE-2020-27821: Fix heap overflow in MSIx emulation (bsc#1179686)
CVE-2020-15469: Fix null pointer deref. (DoS) in mmio ops (bsc#1173612)
CVE-2021-20257: Fix infinite loop (DoS) in e1000 device emulation (bsc#1182577)
CVE-2021-3416: Fix OOB access (stack overflow) in rtl8139 NIC emulation (bsc#1182968)
CVE-2021-3416: Fix OOB access (stack overflow) in other NIC emulations (bsc#1182968)
CVE-2020-27616: Fix OOB access in ati-vga emulation (bsc#1178400)
CVE-2020-29129: Fix OOB access in SLIRP ARP/NCSI packet processing (bsc#1179466, CVE-2020-29130, bsc#1179467)
Fix package scripts to not use hard coded paths for temporary working directories and log files (bsc#1182425)
Add split-provides through forsplits/13 to cover updates of SLE15-SP2 to SLE15-SP3, and openSUSE equivalents (bsc#1184064)
Added a few more usability improvements for our git packaging workflow

Record: SUSE-SU-2021:1243-1
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-2021:14772-1 No score

Security update for kvm

This update for kvm fixes the following issues:

CVE-2021-3594: invalid pointer initialization may lead to information disclosure in slirp (udp) (bsc#1187367)
CVE-2021-3592: invalid pointer initialization may lead to information disclosure (bootp). (bsc#1187364)
CVE-2021-3416: infinite loop in loopback mode may lead to stack overflow. (bsc#1186473)
CVE-2020-15469: MMIO ops null pointer dereference may lead to DoS. (bsc#1173612)
CVE-2020-11947: iscsi_aio_ioctl_cb in block/iscsi.c has a heap-based buffer over-read. (bsc#1180523)
CVE-2021-20221: out-of-bound heap buffer access via an interrupt ID field. (bsc#1181933)
CVE-2020-25707: infinite loop in e1000e_write_packet_to_guest() in hw/net/e1000e_core.c. (bsc#1178683)
CVE-2020-15863: stack-based overflow in xgmac_enet_send() in hw/net/xgmac.c. (bsc#1174386)

Record: SUSE-SU-2021:14772-1
Updated: 2026-11-02

OSVSUSE-SU-2021:14774-1 No score

Security update for kvm

This update for kvm fixes the following issues:

CVE-2021-3594: invalid pointer initialization may lead to information disclosure in slirp (udp) (bsc#1187367)
CVE-2021-3592: invalid pointer initialization may lead to information disclosure (bootp). (bsc#1187364)
CVE-2021-3416: infinite loop in loopback mode may lead to stack overflow. (bsc#1186473)
CVE-2020-15469: MMIO ops null pointer dereference may lead to DoS. (bsc#1173612)
CVE-2020-11947: iscsi_aio_ioctl_cb in block/iscsi.c has a heap-based buffer over-read. (bsc#1180523)
CVE-2021-20221: out-of-bound heap buffer access via an interrupt ID field. (bsc#1181933)
CVE-2020-25707: infinite loop in e1000e_write_packet_to_guest() in hw/net/e1000e_core.c. (bsc#1178683)
CVE-2020-15863: stack-based overflow in xgmac_enet_send() in hw/net/xgmac.c. (bsc#1174386)

Record: SUSE-SU-2021:14774-1
Updated: 2026-11-02

OSVUSN-5010-1 No score

qemu vulnerabilities

Lei Sun discovered that QEMU incorrectly handled certain MMIO operations. An attacker inside the guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2020-15469)

Wenxiang Qian discovered that QEMU incorrectly handled certain ATAPI commands. An attacker inside the guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. This issue only affected Ubuntu 21.04. (CVE-2020-29443)

Cheolwoo Myung discovered that QEMU incorrectly handled SCSI device emulation. An attacker inside the guest could possibly use this issue to cause QEMU to crash, resulting in a denial of service. (CVE-2020-35504, CVE-2020-35505, CVE-2021-3392)

Alex Xu discovered that QEMU incorrectly handled the virtio-fs shared file system daemon. An attacker inside the guest could possibly use this issue to read and write to host devices. This issue only affected Ubuntu 20.10. (CVE-2020-35517)

It was discovered that QEMU incorrectly handled ARM Generic Interrupt Controller emulation. An attacker inside the 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, Ubuntu 20.04 LTS, and Ubuntu 20.10. (CVE-2021-20221)

Alexander Bulekov, Cheolwoo Myung, Sergej Schumilo, Cornelius Aschermann, and Simon Werner discovered that QEMU incorrectly handled e1000 device emulation. An attacker inside the guest could possibly use this issue to cause QEMU to hang, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 20.10. (CVE-2021-20257)

It was discovered that QEMU incorrectly handled SDHCI controller emulation. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code. In the default installation, when QEMU is used in combination with libvirt, attackers would be isolated by the libvirt AppArmor profile. (CVE-2021-3409)

It was discovered that QEMU incorrectly handled certain NIC emulation devices. An attacker inside the guest could possibly use this issue to cause QEMU to hang or crash, resulting in a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 20.10. (CVE-2021-3416)

Remy Noel discovered that QEMU incorrectly handled the USB redirector device. An attacker inside the guest could possibly use this issue to cause QEMU to consume resources, resulting in a denial of service. (CVE-2021-3527)

It was discovered that QEMU incorrectly handled the virtio vhost-user GPU device. An attacker inside the guest could possibly use this issue to cause QEMU to consume resources, leading to a denial of service. This issue only affected Ubuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. (CVE-2021-3544)

It was discovered that QEMU incorrectly handled the virtio vhost-user GPU device. An attacker inside the guest could possibly use this issue to obtain sensitive host information. This issue only affected Ubuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. (CVE-2021-3545)

It was discovered that QEMU incorrectly handled the virtio vhost-user GPU device. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code. In the default installation, when QEMU is used in combination with libvirt, attackers would be isolated by the libvirt AppArmor profile. This issue only affected Ubuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. (CVE-2021-3546)

It was discovered that QEMU incorrectly handled the PVRDMA device. An attacker inside the guest could use this issue to cause QEMU to crash, resulting in a denial of service, or possibly execute arbitrary code. In the default installation, when QEMU is used in combination with libvirt, attackers would be isolated by the libvirt AppArmor profile. This issue only affected Ubuntu 20.04 LTS, Ubuntu 20.10, and Ubuntu 21.04. (CVE-2021-3582,…

Record: USN-5010-1
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`qemu` Alpine:v3.16	before 5.0.0-r0	5.0.0-r0
`qemu` Alpine:v3.17	before 5.0.0-r0	5.0.0-r0
`qemu` Alpine:v3.18	before 5.0.0-r0	5.0.0-r0
`qemu` Alpine:v3.19	before 5.0.0-r0	5.0.0-r0
`qemu` Alpine:v3.20	before 5.0.0-r0	5.0.0-r0
`qemu` Alpine:v3.21	before 5.0.0-r0	5.0.0-r0
`qemu` Alpine:v3.22	before 5.0.0-r0	5.0.0-r0
`qemu` Alpine:v3.23	before 5.0.0-r0	5.0.0-r0
`qemu` Alpine:v3.24	before 5.0.0-r0	5.0.0-r0
`qemu` Debian:12	before 1:6.0+dfsg-3	1:6.0+dfsg-3

Show 43 moreShow less

Affected packages
Package	Affected	Fixed
`qemu` Debian:13	before 1:6.0+dfsg-3	1:6.0+dfsg-3
`qemu` Debian:14	before 1:6.0+dfsg-3	1:6.0+dfsg-3
`qemu` Debian:9	before 1:2.8+dfsg-6+deb9u13, plus listed versions 1:2.8+dfsg-61:2.8+dfsg-6+deb9u11:2.8+dfsg-6+deb9u101:2.8+dfsg-6+deb9u111:2.8+dfsg-6+deb9u12 Show 8 moreShow less 1:2.8+dfsg-6+deb9u21:2.8+dfsg-6+deb9u31:2.8+dfsg-6+deb9u41:2.8+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+deb9u13
`qemu` Debian:10	before 1:3.1+dfsg-8+deb10u9, 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+deb10u5 Show 4 moreShow less 1:3.1+dfsg-8+deb10u61:3.1+dfsg-8+deb10u71:3.1+dfsg-8+deb10u81:3.1+dfsg-8~deb10u1	1:3.1+dfsg-8+deb10u9
`qemu` openEuler:20.03-LTS-SP1	before 4.1.0-46.oe1	4.1.0-46.oe1
`qemu` SUSE:HPE Helion OpenStack 8	before 2.9.1-6.47.1	2.9.1-6.47.1
`qemu` SUSE:OpenStack Cloud 8	before 2.9.1-6.47.1	2.9.1-6.47.1
`qemu` SUSE:OpenStack Cloud Crowbar 8	before 2.9.1-6.47.1	2.9.1-6.47.1
`qemu` SUSE:Linux Enterprise Server for SAP Applications 12 SP3	before 2.9.1-6.47.1	2.9.1-6.47.1
`qemu` SUSE:Linux Enterprise Server 12 SP3-LTSS	before 2.9.1-6.47.1	2.9.1-6.47.1
`qemu` SUSE:Linux Enterprise Server 12 SP3-BCL	before 2.9.1-6.47.1	2.9.1-6.47.1
`qemu` SUSE:OpenStack Cloud 9	before 2.11.2-5.29.1	2.11.2-5.29.1
`qemu` SUSE:OpenStack Cloud Crowbar 9	before 2.11.2-5.29.1	2.11.2-5.29.1
`qemu` SUSE:Linux Enterprise Server for SAP Applications 12 SP4	before 2.11.2-5.29.1	2.11.2-5.29.1
`qemu` SUSE:Linux Enterprise Server 12 SP4-LTSS	before 2.11.2-5.29.1	2.11.2-5.29.1
`qemu` SUSE:Linux Enterprise Server 12 SP5	before 3.1.1.1-48.2	3.1.1.1-48.2
`qemu` SUSE:Linux Enterprise Server for SAP Applications 12 SP5	before 3.1.1.1-48.2	3.1.1.1-48.2
`qemu` SUSE:Linux Enterprise Module for Basesystem 15 SP2	before 4.2.1-11.16.3	4.2.1-11.16.3
`qemu` SUSE:Linux Enterprise Module for Server Applications 15 SP2	before 4.2.1-11.16.3	4.2.1-11.16.3
`qemu` SUSE:Linux Enterprise Micro 5.0	before 4.2.1-11.16.3	4.2.1-11.16.3
`qemu` SUSE:Linux Enterprise High Performance Computing 15-ESPOS	before 2.11.2-9.43.1	2.11.2-9.43.1
`qemu` SUSE:Linux Enterprise High Performance Computing 15-LTSS	before 2.11.2-9.43.1	2.11.2-9.43.1
`qemu` SUSE:Linux Enterprise Server 15-LTSS	before 2.11.2-9.43.1	2.11.2-9.43.1
`qemu` SUSE:Linux Enterprise Server for SAP Applications 15	before 2.11.2-9.43.1	2.11.2-9.43.1
`qemu` SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS	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	before 3.1.1.1-9.24.3	3.1.1.1-9.24.3
`qemu` SUSE:Linux Enterprise Server 15 SP1-BCL	before 3.1.1.1-9.24.3	3.1.1.1-9.24.3
`qemu` SUSE:Linux Enterprise Server 15 SP1-LTSS	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	before 3.1.1.1-9.24.3	3.1.1.1-9.24.3
`qemu` SUSE:Manager Proxy 4.0	before 3.1.1.1-9.24.3	3.1.1.1-9.24.3
`qemu` SUSE:Manager Retail Branch Server 4.0	before 3.1.1.1-9.24.3	3.1.1.1-9.24.3
`qemu` SUSE:Manager Server 4.0	before 3.1.1.1-9.24.3	3.1.1.1-9.24.3
`qemu` SUSE:Enterprise Storage 6	before 3.1.1.1-9.24.3	3.1.1.1-9.24.3
`qemu` SUSE:Linux Enterprise Server 12 SP2-BCL	before 2.6.2-41.62.1	2.6.2-41.62.1
`kvm` SUSE:Linux Enterprise Server 11 SP4-LTSS	before 1.4.2-60.37.1	1.4.2-60.37.1
`kvm` SUSE:Linux Enterprise Point of Sale 11 SP3	before 1.4.2-53.41.1	1.4.2-53.41.1
`qemu` Ubuntu:Pro:14.04:LTS	before 2.0.0+dfsg-2ubuntu1.47+esm6, 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+esm6
`qemu` Ubuntu:Pro:16.04:LTS	before 1:2.5+dfsg-5ubuntu10.51+esm4, 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+esm4
`qemu` Ubuntu:18.04:LTS	before 1:2.11+dfsg-1ubuntu7.37, 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 36 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-1ubuntu7.36	1:2.11+dfsg-1ubuntu7.37
`qemu` Ubuntu:20.04:LTS	before 1:4.2-3ubuntu6.17, plus listed versions 1:4.0+dfsg-0ubuntu91:4.0+dfsg-0ubuntu101:4.2-1ubuntu11:4.2-1ubuntu21:4.2-3ubuntu1 Show 20 moreShow less 1:4.2-3ubuntu21:4.2-3ubuntu31:4.2-3ubuntu41:4.2-3ubuntu51:4.2-3ubuntu61:4.2-3ubuntu6.11:4.2-3ubuntu6.21:4.2-3ubuntu6.31:4.2-3ubuntu6.41:4.2-3ubuntu6.51:4.2-3ubuntu6.61:4.2-3ubuntu6.71:4.2-3ubuntu6.81:4.2-3ubuntu6.91:4.2-3ubuntu6.101:4.2-3ubuntu6.111:4.2-3ubuntu6.121:4.2-3ubuntu6.141:4.2-3ubuntu6.151:4.2-3ubuntu6.16	1:4.2-3ubuntu6.17
`qemu` openSUSE:Leap 15.2	before 4.2.1-lp152.9.12.1	4.2.1-lp152.9.12.1
`qemu-linux-user` openSUSE:Leap 15.2	before 4.2.1-lp152.9.12.1	4.2.1-lp152.9.12.1
`qemu-testsuite` openSUSE:Leap 15.2	before 4.2.1-lp152.9.12.1	4.2.1-lp152.9.12.1

History

History
Recorded	Changed	Sources
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-2020-15469 is a low vulnerability (CVSS 2.3) in Qemu, published July 2, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. Fixed in qemu 5.0.0-r0.

References

Show 110 moreShow less

This page doesn't list everything

Left out here: 37 versions and the rest of 2 source descriptions. The JSON record has them.