Vulnerability CVE-2021-3544

Vulnerability Name:

CVE-2021-3544 (CCN-202761)

Assigned:

2021-05-31

Published:

2021-05-31

Updated:

2022-10-25

Summary:

Several memory leaks were found in the virtio vhost-user GPU device (vhost-user-gpu) of QEMU in versions up to and including 6.0. They exist in contrib/vhost-user-gpu/vhost-user-gpu.c and contrib/vhost-user-gpu/virgl.c due to improper release of memory (i.e., free) after effective lifetime.

CVSS v3 Severity:

6.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H)
5.7 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): Low User Interaction (UI): None
Scope:	Scope (S): Changed
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
5.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)

Exploitability Metrics:	Attack Vector (AV): Local Attack Complexity (AC): Low Privileges Required (PR): None User Interaction (UI): None
Scope:	Scope (S): Unchanged
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): High

CVSS v2 Severity:

2.1 Low (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)

Exploitability Metrics:	Access Vector (AV): Local Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Complete

Vulnerability Type:

CWE-401
CWE-401

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2021-3544

Source: MLIST
Type: Mailing List, Third Party Advisory
[oss-security] 20210531 QEMU: security issues in vhost-user-gpu

Source: MISC
Type: Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=1958935

Source: XF
Type: UNKNOWN
qemu-cve20213544-dos(202761)

Source: CCN
Type: qemu-devel Web site
[PATCH v2 0/8] vhost-user-gpu: fix several security issues

Source: CCN
Type: oss-sec Mailing List, Mon, 31 May 2021 18:40:04 +0200
QEMU: security issues in vhost-user-gpu

Source: GENTOO
Type: Third Party Advisory
GLSA-202208-27

Source: CONFIRM
Type: Third Party Advisory
https://security.netapp.com/advisory/ntap-20210720-0008/

Source: DEBIAN
Type: Third Party Advisory
DSA-4980

Vulnerable Configuration:

Configuration 1:

cpe:/a:qemu:qemu:*:*:*:*:*:*:*:* (Version <= 6.0.0)

Configuration 2:

cpe:/o:debian:debian_linux:11.0:*:*:*:*:*:*:*

Configuration CCN 1:

cpe:/a:qemu:qemu:-:*:*:*:*:*:*:*

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:org.opensuse.security:def:8041	P	nasm-2.15.05-150500.1.2 on GA media (Moderate)	2023-06-20
oval:org.opensuse.security:def:7974	P	python3-bottle-0.12.13-150000.3.6.1 on GA media (Moderate)	2023-06-12
oval:org.opensuse.security:def:7791	P	qemu-tools-7.1.0-150500.47.15 on GA media (Moderate)	2023-06-12
oval:org.opensuse.security:def:737	P	Security update for ImageMagick (Moderate)	2022-09-06
oval:org.opensuse.security:def:3638	P	Security update for systemd-presets-common-SUSE (Moderate) (in QA)	2022-07-13
oval:org.opensuse.security:def:95309	P	Security update for ImageMagick (Moderate)	2022-07-06
oval:org.opensuse.security:def:3518	P	guile-2.0.9-9.3.1 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:3452	P	cifs-utils-6.9-9.6.1 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:3187	P	libidn-tools-1.28-5.6.1 on GA media (Moderate)	2022-06-28
oval:org.opensuse.security:def:6082	P	Security update for openssl (Moderate)	2022-06-24
oval:org.opensuse.security:def:6081	P	Security update for python3 (Important)	2022-06-23
oval:org.opensuse.security:def:94817	P	qemu-tools-6.2.0-150400.35.10 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:95148	P	qemu-6.2.0-150400.35.10 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:94564	P	glib2-devel-2.70.4-150400.1.5 on GA media (Moderate)	2022-06-22
oval:org.opensuse.security:def:351	P	qemu-6.2.0-150400.35.10 on GA media (Moderate)	2022-06-10
oval:org.opensuse.security:def:102022	P	Security update for the Linux Kernel (Live Patch 10 for SLE 15 SP3) (Important)	2022-03-02
oval:org.opensuse.security:def:113318	P	qemu-6.1.0-32.1 on GA media (Moderate)	2022-01-17
oval:org.opensuse.security:def:106728	P	qemu-6.1.0-32.1 on GA media (Moderate)	2021-10-01
oval:org.opensuse.security:def:101277	P	kernel-docs-5.3.18-57.3 on GA media (Moderate)	2021-08-09
oval:org.opensuse.security:def:110968	P	Security update for qemu (Moderate)	2021-07-14
oval:org.opensuse.security:def:111611	P	Security update for qemu (Moderate)	2021-07-09
oval:org.opensuse.security:def:64541	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:108688	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:97150	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:67171	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:75918	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:5761	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:117458	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:64727	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:109411	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:42098	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:97151	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:102745	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:69063	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:76238	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:118507	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:1618	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:96055	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:66850	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:73663	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:101468	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:69130	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:76239	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:107943	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:67170	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:73849	P	Security update for qemu (Moderate)	2021-06-30
oval:org.opensuse.security:def:102194	P	Security update for qemu (Moderate)	2021-06-30

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