CVE-2020-35505

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2020-35505
A NULL pointer dereference flaw was found in the am53c974 SCSI host bus adapter emulation of QEMU in versions before 6.0.0. This issue occurs while handling the 'Information Transfer' command. 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.

4.4 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 0.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required HIGH

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

2.1 /10

CVSS v2.0 : LOW

V2 Legend

Vector : AV:L/AC:L/Au:N/C:N/I:N/A:P

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
http://www.openwall.com/lists/oss-security/2021/04/16/3 Mailing List Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1909769 Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html Mailing List Third Party Advisory
https://security.gentoo.org/glsa/202208-27 Third Party Advisory
https://security.netapp.com/advisory/ntap-20210713-0006/ Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/04/16/3 Mailing List Patch Third Party Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:6.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:6.0.0:rc2:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
History

05 Sep 2022, 06:15

Type Values Removed Values Added
References
  • (MLIST) https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html -

15 Aug 2022, 11:15

Type Values Removed Values Added
References
  • (GENTOO) https://security.gentoo.org/glsa/202208-27 -

13 May 2022, 20:48

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20210713-0006/ - Third Party Advisory
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1909769 - Issue Tracking, Third Party Advisory (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1909769 - Issue Tracking, Patch, Third Party Advisory

14 Jun 2021, 15:22

Type Values Removed Values Added
CPE cpe:2.3:a:qemu:qemu:6.0.0:-:*:*:*:*:*:* cpe:2.3:a:qemu:qemu:6.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:6.0.0:rc2:*:*:*:*:*:*

08 Jun 2021, 13:22

Type Values Removed Values Added
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1909769 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1909769 - Issue Tracking, Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2021/04/16/3 - (MLIST) http://www.openwall.com/lists/oss-security/2021/04/16/3 - Mailing List, Third Party Advisory
References (MISC) https://www.openwall.com/lists/oss-security/2021/04/16/3 - (MISC) https://www.openwall.com/lists/oss-security/2021/04/16/3 - Mailing List, Patch, Third Party Advisory
CPE cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*
cpe:2.3:a:qemu:qemu:6.0.0:-:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : 2.1
v3 : 4.4
CWE CWE-476

28 May 2021, 11:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-05-28 11:15

Updated : 2024-02-04 21:47

NVD link : CVE-2020-35505

Mitre link : CVE-2020-35505

CVE.ORG link : CVE-2020-35505

JSON object : View

Products Affected

qemu

  • qemu

debian

  • debian_linux
CWE
CWE-476

NULL Pointer Dereference