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CVE-2020-35503

A NULL pointer dereference flaw was found in the megasas-gen2 SCSI host bus adapter emulation of...

6.0 MediumFix available

A NULL pointer dereference flaw was found in the megasas-gen2 SCSI host bus adapter emulation of QEMU in versions before and including 6.0. This issue occurs in the megasas_command_cancelled() callback function while dropping a SCSI request. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

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
High

Exploit likelihood

0.27%Down 0.2 points since Jun 3, 2021
90%50%10%1%

What each source reports

NVD Score used 6.0

A NULL pointer dereference flaw was found in the megasas-gen2 SCSI host bus adapter emulation of QEMU in versions before and including 6.0. This issue occurs in the megasas_command_cancelled() callback function while dropping a SCSI request. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

Record
CVE-2020-35503
CVSS 3.1
6.0 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
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

A NULL pointer dereference flaw was found in the megasas-gen2 SCSI host bus adapter emulation of QEMU in versions before and including 6.0. This issue occurs in the megasas_command_cancelled() callback function while dropping a SCSI request. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

Record
CVE-2020-35503
Weakness
CWE-476
Updated
2026-11-02
EUVDEUVD-2020-23172 No score

A NULL pointer dereference flaw was found in the megasas-gen2 SCSI host bus adapter emulation of QEMU in versions before and including 6.0. This issue occurs in the megasas_command_cancelled() callback function while dropping a SCSI request. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

Record
EUVD-2020-23172
Updated
2026-11-03
GitHub AdvisoriesGHSA-x852-p4x4-vcgf 6.0

A NULL pointer dereference flaw was found in the megasas-gen2 SCSI host bus adapter emulation of...

A NULL pointer dereference flaw was found in the megasas-gen2 SCSI host bus adapter emulation of QEMU in versions before and including 6.0. This issue occurs in the megasas_command_cancelled() callback function while dropping a SCSI request. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

Record
GHSA-x852-p4x4-vcgf
CVSS 3.1
6.0 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Weakness
CWE-476
Updated
2026-11-02
OSVALPINE-CVE-2020-35503 6.0

A NULL pointer dereference flaw was found in the megasas-gen2 SCSI host bus adapter emulation of QEMU in versions before and including 6.0. This issue occurs in the megasas_command_cancelled() callback function while dropping a SCSI request. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

Record
ALPINE-CVE-2020-35503
CVSS 3.1
6.0 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Updated
2026-11-03
OSVBELL-CVE-2020-35503 6.0

CVE-2020-35503 does not affect BellSoft software

Record
BELL-CVE-2020-35503
CVSS 3.1
6.0 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Updated
2026-11-02
Show 15 moreShow less
OSV 6.0

A NULL pointer dereference flaw was found in the megasas-gen2 SCSI host bus adapter emulation of QEMU in versions before and including 6.0. This issue occurs in the megasas_command_cancelled() callback function while dropping a SCSI request. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

Record
CVE-2020-35503
CVSS 3.1
6.0 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2020-35503 6.0

A NULL pointer dereference flaw was found in the megasas-gen2 SCSI host bus adapter emulation of QEMU in versions before and including 6.0. This issue occurs in the megasas_command_cancelled() callback function while dropping a SCSI request. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

Record
DEBIAN-CVE-2020-35503
CVSS 3.1
6.0 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2020-35503 6.0

A NULL pointer dereference flaw was found in the megasas-gen2 SCSI host bus adapter emulation of QEMU in versions before and including 6.0. This issue occurs in the megasas_command_cancelled() callback function while dropping a SCSI request. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

Record
UBUNTU-CVE-2020-35503
CVSS 3.1
6.0 MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
Updated
2026-11-02
OSVopenSUSE-SU-2021:1202-1 No score

Security update for qemu

This update for qemu fixes the following issues:

Security issues fixed:

  • CVE-2021-3527: usb: unbounded stack allocation in usbredir (bsc#1186012)
  • CVE-2021-3582: Fix possible mremap overflow in the pvrdma (bsc#1187499)
  • CVE-2021-3592: Fix for slirp: invalid pointer initialization may lead to information disclosure (bootp) (bsc#1187364)
  • CVE-2021-3593: Fix for slirp: invalid pointer initialization may lead to information disclosure (udp6) (bsc#1187365)
  • CVE-2021-3594: Fix for slirp: invalid pointer initialization may lead to information disclosure (udp) (bsc#1187367)
  • CVE-2021-3595: Fixed slirp: invalid pointer initialization may lead to information disclosure (tftp) (bsc#1187366)
  • CVE-2021-3607: Ensure correct input on ring init (bsc#1187539)
  • CVE-2021-3608: Fix the ring init error flow (bsc#1187538)
  • CVE-2021-3611: Fix intel-hda segmentation fault due to stack overflow (bsc#1187529)
  • CVE-2021-3682: usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145)
  • CVE-2020-35503: NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432)
  • CVE-2020-35504,CVE-2020-35505,CVE-2020-35506: NULL pointer dereference in ESP (bsc#1180433 bsc#1180434 bsc#1180435)
  • CVE-2021-20255: eepro100: stack overflow via infinite recursion (bsc#1182651)

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

Record
openSUSE-SU-2021:1202-1
Updated
2026-11-02
OSVopenSUSE-SU-2021:2789-1 No score

Security update for qemu

This update for qemu fixes the following issues:

Security issues fixed:

  • usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)
  • NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)
  • NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)
  • eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)
  • usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)
Record
openSUSE-SU-2021:2789-1
Updated
2026-11-02
OSVopenSUSE-SU-2021:2858-1 No score

Security update for qemu

This update for qemu fixes the following issues:

Security issues fixed:

  • usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)
  • NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)
  • NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)
  • eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)
  • usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)

Non-security issues fixed:

  • Use max host physical address if -cpu max is used (bsc#1188299)
Record
openSUSE-SU-2021:2858-1
Updated
2026-11-02
OSVopenSUSE-SU-2021:3614-1 No score

Security update for qemu

This update for qemu fixes the following issues:

Security issues fixed:

  • Fix out-of-bounds write in UAS (USB Attached SCSI) device emulation (bsc#1189702, CVE-2021-3713)
  • Fix heap use-after-free in virtio_net_receive_rcu (bsc#1189938, CVE-2021-3748)
  • usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)
  • NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)
  • NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)
  • eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)
  • usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)

Non-security issues fixed:

  • Use max host physical address if -cpu max is used (bsc#1188299)
Record
openSUSE-SU-2021:3614-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:11907-1 No score

qemu-6.2.0-41.1 on GA media

These are all security issues fixed in the qemu-6.2.0-41.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11907-1
Updated
2026-11-02
OSVSUSE-SU-2021:2789-1 No score

Security update for qemu

This update for qemu fixes the following issues:

Security issues fixed:

  • usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)
  • NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)
  • NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)
  • eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)
  • usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)
Record
SUSE-SU-2021:2789-1
Updated
2026-11-02
OSVSUSE-SU-2021:2813-1 No score

Security update for qemu

This update for qemu fixes the following issues:

Security issues fixed:

  • usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)
  • NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)
  • NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)
  • eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)
  • usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)
Record
SUSE-SU-2021:2813-1
Updated
2026-11-02
OSVSUSE-SU-2021:2858-1 No score

Security update for qemu

This update for qemu fixes the following issues:

Security issues fixed:

  • usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)
  • NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)
  • NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)
  • eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)
  • usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)

Non-security issues fixed:

  • Use max host physical address if -cpu max is used (bsc#1188299)
Record
SUSE-SU-2021:2858-1
Updated
2026-11-02
OSVSUSE-SU-2021:3575-1 No score

Security update for qemu

This update for qemu fixes the following issues:

Security issues fixed:

  • usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)
  • NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)
  • NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)
  • eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)
  • usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)
Record
SUSE-SU-2021:3575-1
Updated
2026-11-02
OSVSUSE-SU-2021:3613-1 No score

Security update for qemu

This update for qemu fixes the following issues:

Security issues fixed:

  • Fix heap use-after-free in virtio_net_receive_rcu (bsc#1189938, CVE-2021-3748)
  • Fix out-of-bounds write in UAS (USB Attached SCSI) device emulation (bsc#1189702, CVE-2021-3713)
  • usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)
  • NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)
  • NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)
  • eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)
  • usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)
Record
SUSE-SU-2021:3613-1
Updated
2026-11-02
OSVSUSE-SU-2021:3614-1 No score

Security update for qemu

This update for qemu fixes the following issues:

Security issues fixed:

  • Fix out-of-bounds write in UAS (USB Attached SCSI) device emulation (bsc#1189702, CVE-2021-3713)
  • Fix heap use-after-free in virtio_net_receive_rcu (bsc#1189938, CVE-2021-3748)
  • usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)
  • NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)
  • NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)
  • eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)
  • usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)

Non-security issues fixed:

  • Use max host physical address if -cpu max is used (bsc#1188299)
Record
SUSE-SU-2021:3614-1
Updated
2026-11-02
OSVSUSE-SU-2021:3635-1 No score

Security update for qemu

This update for qemu fixes the following issues:

Security issues fixed:

  • Fix heap use-after-free in virtio_net_receive_rcu (bsc#1189938, CVE-2021-3748)
  • Fix out-of-bounds write in UAS (USB Attached SCSI) device emulation (bsc#1189702, CVE-2021-3713)
  • usbredir: free call on invalid pointer in bufp_alloc (bsc#1189145, CVE-2021-3682)
  • NULL pointer dereference in ESP (bsc#1180433, CVE-2020-35504) (bsc#1180434, CVE-2020-35505) (bsc#1180435, CVE-2020-35506)
  • NULL pointer dereference issue in megasas-gen2 host bus adapter (bsc#1180432, CVE-2020-35503)
  • eepro100: stack overflow via infinite recursion (bsc#1182651, CVE-2021-20255)
  • usb: unbounded stack allocation in usbredir (bsc#1186012, CVE-2021-3527)
Record
SUSE-SU-2021:3635-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
qemu
Alpine:v3.16
 before 6.1.0-r0
6.1.0-r0
qemu
Alpine:v3.17
 before 6.1.0-r0
6.1.0-r0
qemu
Alpine:v3.18
 before 6.1.0-r0
6.1.0-r0
qemu
Alpine:v3.19
 before 6.1.0-r0
6.1.0-r0
qemu
Alpine:v3.20
 before 6.1.0-r0
6.1.0-r0
qemu
Alpine:v3.21
 before 6.1.0-r0
6.1.0-r0
qemu
Alpine:v3.22
 before 6.1.0-r0
6.1.0-r0
qemu
Alpine:v3.23
 before 6.1.0-r0
6.1.0-r0
qemu
Alpine:v3.24
 before 6.1.0-r0
6.1.0-r0
qemu
Debian:12
 All versions, plus listed versions
1:10.0.0+ds-11:10.0.0+ds-21:10.0.0+ds-2~bpo12+11:10.0.0+ds-2~bpo12+21:10.0.0~rc0+ds-1
Show 45 moreShow less
1:10.0.0~rc0+ds-21:10.0.0~rc1+ds-11:10.0.0~rc1+ds-21:10.0.0~rc2+ds-11:10.0.0~rc2+ds-21:10.0.0~rc3+ds-11:10.0.0~rc3+ds-21:10.0.2+ds-11:10.0.2+ds-21:10.0.2+ds-2~bpo12+11:10.0.3+ds-11:10.0.3+ds-21:10.0.3+ds-31:10.0.3+ds-41:10.1.0+ds-11:10.1.0+ds-21:10.1.0+ds-31:10.1.0+ds-41:10.1.0+ds-51:10.1.0~rc0+ds-11:10.1.0~rc0+ds-21:10.1.0~rc0+ds-31:10.1.0~rc0+ds-41:10.1.0~rc1+ds-11:10.1.0~rc1+ds-1a1:10.1.0~rc1+ds-1b1:10.1.0~rc1+ds-21:10.1.0~rc1+ds-31:10.1.0~rc2+ds-11:10.1.0~rc3+ds-11:10.1.0~rc3+ds-21:10.1.1+ds-11:10.1.2+ds-11:10.1.2+ds-21:10.1.2+ds-31:10.1.3+ds-11:10.2.0+ds-11:10.2.0+ds-21:10.2.0~rc1+ds-11:10.2.1+ds-11:10.2.2+ds-11:11.0.0+ds-11:11.0.0+ds-21:11.0.0~rc0+ds-11:11.0.0~rc0+ds-2
 None known
Show 42 moreShow less
Affected packages
PackageAffectedFixed
qemu
Debian:13
 All versions, plus listed versions
1:10.0.10+ds-0+deb13u11:10.0.11+ds-0+deb13u11:10.0.13+ds-0+deb13u11:10.0.2+ds-21:10.0.2+ds-2+deb13u1
Show 45 moreShow less
1:10.0.2+ds-2+deb13u1~bpo12+11:10.0.3+ds-0+deb13u11:10.0.3+ds-11:10.0.3+ds-21:10.0.3+ds-31:10.0.3+ds-41:10.0.6+ds-0+deb13u11:10.0.6+ds-0+deb13u21:10.0.7+ds-0+deb13u11:10.0.8+ds-0+deb13u11:10.1.0+ds-11:10.1.0+ds-21:10.1.0+ds-31:10.1.0+ds-41:10.1.0+ds-51:10.1.0~rc0+ds-11:10.1.0~rc0+ds-21:10.1.0~rc0+ds-31:10.1.0~rc0+ds-41:10.1.0~rc1+ds-11:10.1.0~rc1+ds-1a1:10.1.0~rc1+ds-1b1:10.1.0~rc1+ds-21:10.1.0~rc1+ds-31:10.1.0~rc2+ds-11:10.1.0~rc3+ds-11:10.1.0~rc3+ds-21:10.1.1+ds-11:10.1.2+ds-11:10.1.2+ds-21:10.1.2+ds-31:10.1.3+ds-11:10.2.0+ds-11:10.2.0+ds-21:10.2.0~rc1+ds-11:10.2.1+ds-11:10.2.2+ds-11:11.0.0+ds-11:11.0.0+ds-21:11.0.0~rc0+ds-11:11.0.0~rc0+ds-21:11.0.0~rc1+ds-11:11.0.0~rc1+ds-21:11.0.0~rc1+ds-31:11.0.0~rc2+ds-1
 None known
qemu
Debian:14
 All versions, plus listed versions
1:10.0.2+ds-21:10.0.3+ds-11:10.0.3+ds-21:10.0.3+ds-31:10.0.3+ds-4
Show 45 moreShow less
1:10.1.0+ds-11:10.1.0+ds-21:10.1.0+ds-31:10.1.0+ds-41:10.1.0+ds-51:10.1.0~rc0+ds-11:10.1.0~rc0+ds-21:10.1.0~rc0+ds-31:10.1.0~rc0+ds-41:10.1.0~rc1+ds-11:10.1.0~rc1+ds-1a1:10.1.0~rc1+ds-1b1:10.1.0~rc1+ds-21:10.1.0~rc1+ds-31:10.1.0~rc2+ds-11:10.1.0~rc3+ds-11:10.1.0~rc3+ds-21:10.1.1+ds-11:10.1.2+ds-11:10.1.2+ds-21:10.1.2+ds-31:10.1.3+ds-11:10.2.0+ds-11:10.2.0+ds-21:10.2.0~rc1+ds-11:10.2.1+ds-11:10.2.2+ds-11:11.0.0+ds-11:11.0.0+ds-21:11.0.0~rc0+ds-11:11.0.0~rc0+ds-21:11.0.0~rc1+ds-11:11.0.0~rc1+ds-21:11.0.0~rc1+ds-31:11.0.0~rc2+ds-11:11.0.0~rc2+ds-21:11.0.0~rc3+ds-11:11.0.1+ds-11:11.0.2+ds-11:11.0.2+ds-21:11.0.2+ds-2~bpo13+11:11.0.3+ds-11:11.0.3+ds-21:11.1.0+ds-11:11.1.0+ds-2
 None known
qemu
SUSE:Linux Enterprise Module for Basesystem 15 SP2
From an advisory covering 7 CVEs
 before 4.2.1-11.28.1
4.2.1-11.28.1
qemu
SUSE:Linux Enterprise Module for Server Applications 15 SP2
From an advisory covering 7 CVEs
 before 4.2.1-11.28.1
4.2.1-11.28.1
qemu
SUSE:Linux Enterprise Micro 5.0
From an advisory covering 7 CVEs
 before 4.2.1-11.28.1
4.2.1-11.28.1
qemu
SUSE:Linux Enterprise Server 12 SP5
From an advisory covering 7 CVEs
 before 3.1.1.1-57.2
3.1.1.1-57.2
qemu
SUSE:Linux Enterprise Server for SAP Applications 12 SP5
From an advisory covering 7 CVEs
 before 3.1.1.1-57.2
3.1.1.1-57.2
qemu
SUSE:Linux Enterprise Module for Basesystem 15 SP3
From an advisory covering 7 CVEs
 before 5.2.0-103.2
5.2.0-103.2
qemu
SUSE:Linux Enterprise Module for Server Applications 15 SP3
From an advisory covering 7 CVEs
 before 5.2.0-103.2
5.2.0-103.2
qemu
SUSE:Linux Enterprise Server 12 SP2-BCL
From an advisory covering 7 CVEs
 before 2.6.2-41.73.1
2.6.2-41.73.1
qemu
SUSE:Linux Enterprise High Performance Computing 15-ESPOS
From an advisory covering 9 CVEs
 before 2.11.2-70.59.1
2.11.2-70.59.1
qemu
SUSE:Linux Enterprise High Performance Computing 15-LTSS
From an advisory covering 9 CVEs
 before 2.11.2-70.59.1
2.11.2-70.59.1
qemu
SUSE:Linux Enterprise Server 15-LTSS
From an advisory covering 9 CVEs
 before 2.11.2-70.59.1
2.11.2-70.59.1
qemu
SUSE:Linux Enterprise Server for SAP Applications 15
From an advisory covering 9 CVEs
 before 2.11.2-70.59.1
2.11.2-70.59.1
qemu
SUSE:Linux Enterprise High Performance Computing 15 SP1-ESPOS
From an advisory covering 9 CVEs
 before 3.1.1.1-80.40.1
3.1.1.1-80.40.1
qemu
SUSE:Linux Enterprise High Performance Computing 15 SP1-LTSS
From an advisory covering 9 CVEs
 before 3.1.1.1-80.40.1
3.1.1.1-80.40.1
qemu
SUSE:Linux Enterprise Server 15 SP1-BCL
From an advisory covering 9 CVEs
 before 3.1.1.1-80.40.1
3.1.1.1-80.40.1
qemu
SUSE:Linux Enterprise Server 15 SP1-LTSS
From an advisory covering 9 CVEs
 before 3.1.1.1-80.40.1
3.1.1.1-80.40.1
qemu
SUSE:Linux Enterprise Server for SAP Applications 15 SP1
From an advisory covering 9 CVEs
 before 3.1.1.1-80.40.1
3.1.1.1-80.40.1
qemu
SUSE:Enterprise Storage 6
From an advisory covering 9 CVEs
 before 3.1.1.1-80.40.1
3.1.1.1-80.40.1
qemu
SUSE:OpenStack Cloud 9
From an advisory covering 9 CVEs
 before 2.11.2-5.40.2
2.11.2-5.40.2
qemu
SUSE:OpenStack Cloud Crowbar 9
From an advisory covering 9 CVEs
 before 2.11.2-5.40.2
2.11.2-5.40.2
qemu
SUSE:Linux Enterprise Server for SAP Applications 12 SP4
From an advisory covering 9 CVEs
 before 2.11.2-5.40.2
2.11.2-5.40.2
qemu
SUSE:Linux Enterprise Server 12 SP4-LTSS
From an advisory covering 9 CVEs
 before 2.11.2-5.40.2
2.11.2-5.40.2
qemu
Ubuntu:Pro:14.04:LTS
 All versions, 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
 None known
qemu
Ubuntu:Pro:16.04:LTS
 All versions, 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
 None known
qemu
Ubuntu:Pro:18.04:LTS
 All versions, 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 45 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+esm11:2.11+dfsg-1ubuntu7.42+esm21:2.11+dfsg-1ubuntu7.42+esm5
 None known
qemu
Ubuntu:Pro:20.04:LTS
 All versions, plus listed versions
1:4.0+dfsg-0ubuntu91:4.0+dfsg-0ubuntu101:4.2-1ubuntu11:4.2-1ubuntu21:4.2-3ubuntu1
Show 35 moreShow less
1:4.2-3ubuntu21:4.2-3ubuntu31:4.2-3ubuntu41:4.2-3ubuntu51:4.2-3ubuntu61:4.2-3ubuntu6.11:4.2-3ubuntu6.21:4.2-3ubuntu6.31:4.2-3ubuntu6.41:4.2-3ubuntu6.51:4.2-3ubuntu6.61:4.2-3ubuntu6.71:4.2-3ubuntu6.81:4.2-3ubuntu6.91:4.2-3ubuntu6.101:4.2-3ubuntu6.111:4.2-3ubuntu6.121:4.2-3ubuntu6.141:4.2-3ubuntu6.151:4.2-3ubuntu6.161:4.2-3ubuntu6.171:4.2-3ubuntu6.181:4.2-3ubuntu6.191:4.2-3ubuntu6.211:4.2-3ubuntu6.231:4.2-3ubuntu6.241:4.2-3ubuntu6.251:4.2-3ubuntu6.261:4.2-3ubuntu6.271:4.2-3ubuntu6.281:4.2-3ubuntu6.291:4.2-3ubuntu6.301:4.2-3ubuntu6.30+esm11:4.2-3ubuntu6.30+esm21:4.2-3ubuntu6.30+esm3
 None known
qemu
Ubuntu:22.04:LTS
 All versions, 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 30 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-2ubuntu6.231:6.2+dfsg-2ubuntu6.241:6.2+dfsg-2ubuntu6.251:6.2+dfsg-2ubuntu6.261:6.2+dfsg-2ubuntu6.271:6.2+dfsg-2ubuntu6.281:6.2+dfsg-2ubuntu6.291:6.2+dfsg-2ubuntu6.301:6.2+dfsg-2ubuntu6.31
 None known
qemu
Ubuntu:24.04:LTS
 All versions, 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 19 moreShow less
1:8.2.1+ds-1ubuntu81:8.2.1+ds-1ubuntu91:8.2.2+ds-0ubuntu11:8.2.2+ds-0ubuntu1.21:8.2.2+ds-0ubuntu1.41:8.2.2+ds-0ubuntu1.51:8.2.2+ds-0ubuntu1.61:8.2.2+ds-0ubuntu1.71:8.2.2+ds-0ubuntu1.81:8.2.2+ds-0ubuntu1.91:8.2.2+ds-0ubuntu1.101:8.2.2+ds-0ubuntu1.111:8.2.2+ds-0ubuntu1.121:8.2.2+ds-0ubuntu1.131:8.2.2+ds-0ubuntu1.141:8.2.2+ds-0ubuntu1.151:8.2.2+ds-0ubuntu1.161:8.2.2+ds-0ubuntu1.171:8.2.2+ds-0ubuntu1.18
 None known
qemu
Ubuntu:25.10
 All versions, plus listed versions
1:9.2.1+ds-1ubuntu51:10.0.2+ds-1ubuntu11:10.0.2+ds-1ubuntu21:10.1.0+ds-1ubuntu11:10.1.0+ds-5ubuntu1
Show 7 moreShow less
1:10.1.0+ds-5ubuntu21:10.1.0+ds-5ubuntu2.11:10.1.0+ds-5ubuntu2.21:10.1.0+ds-5ubuntu2.41:10.1.0+ds-5ubuntu2.51:10.1.0+ds-5ubuntu2.61:10.1.0+ds-5ubuntu2.7
 None known
qemu
Ubuntu:26.10
 All versions, plus listed versions
1:10.2.1+ds-1ubuntu31:10.2.1+ds-1ubuntu61:11.0.3+ds-2ubuntu11:11.0.3+ds-2ubuntu2
 None known
qemu-hwe
Ubuntu:26.10
 All versions, plus listed versions
1:10.2.1+ds-1ubuntu41:10.2.1+ds-1ubuntu71:10.2.1+ds-1ubuntu81:11.0.3+ds-2ubuntu21:11.0.3+ds-2ubuntu4
 None known
qemu
Ubuntu:26.04:LTS
 All versions, plus listed versions
1:10.1.0+ds-5ubuntu21:10.1.0+ds-5ubuntu31:10.1.0+ds-5ubuntu41:10.1.0+ds-5ubuntu51:10.2.1+ds-1ubuntu1
Show 5 moreShow less
1:10.2.1+ds-1ubuntu21:10.2.1+ds-1ubuntu31:10.2.1+ds-1ubuntu3.11:10.2.1+ds-1ubuntu3.21:10.2.1+ds-1ubuntu3.3
 None known
qemu-hwe
Ubuntu:26.04:LTS
 All versions, plus listed versions
1:10.2.1+ds-1ubuntu21:10.2.1+ds-1ubuntu41:10.2.1+ds-1ubuntu4.21:10.2.1+ds-1ubuntu4.31:10.2.1+ds-1ubuntu4.4
 None known
qemu
openSUSE:Leap 15.2
From an advisory covering 15 CVEs
 before 4.2.1-lp152.9.20.1
4.2.1-lp152.9.20.1
qemu-linux-user
openSUSE:Leap 15.2
From an advisory covering 15 CVEs
 before 4.2.1-lp152.9.20.1
4.2.1-lp152.9.20.1
qemu-testsuite
openSUSE:Leap 15.2
From an advisory covering 15 CVEs
 before 4.2.1-lp152.9.20.1
4.2.1-lp152.9.20.1
qemu
openSUSE:Leap 15.3
From an advisory covering 7 CVEs
 before 4.2.1-11.28.1
4.2.1-11.28.1
qemu
openSUSE:Leap 15.3
From an advisory covering 7 CVEs
 before 5.2.0-103.2
5.2.0-103.2
qemu
openSUSE:Leap 15.3
From an advisory covering 9 CVEs
 before 3.1.1.1-80.40.1
3.1.1.1-80.40.1
qemu
openSUSE:Tumbleweed
From an advisory covering 2 CVEs
 before 6.2.0-41.1
6.2.0-41.1

History

History
RecordedChangedSources
affected, facts
affected, aliases, referencesOSV
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2020-35503 is a medium vulnerability (CVSS 6.0) in Qemu, published June 2, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.27%, the 19th percentile. Fixed in qemu 6.1.0-r0.

References

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This page doesn't list everything

Left out here: 235 versions. The JSON record has them.

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