Vulnerability Name:

CVE-2021-3416 (CCN-197496)

Assigned:2021-02-24
Published:2021-02-24
Updated:2023-02-12
Summary:A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or crash the QEMU process on the host resulting in DoS scenario.
CVSS v3 Severity:6.0 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H)
5.3 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
7.1 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H)
6.3 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
3.2 Low (REDHAT CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L)
2.8 Low (REDHAT Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L/E:U/RL:U/RC:R)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Low
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-835
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2021-3416

Source: secalert@redhat.com
Type: Issue Tracking, Patch, Third Party Advisory
secalert@redhat.com

Source: XF
Type: UNKNOWN
qemu-cve20213416-dos(197496)

Source: secalert@redhat.com
Type: Mailing List, Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Mailing List, Third Party Advisory
secalert@redhat.com

Source: CCN
Type: qemu-devel Web site
Re: [PATCH 1/6] net: introduce qemu_receive_packet()

Source: CCN
Type: oss-sec Mailing List, Fri, 26 Feb 2021 20:16:15 +0530 (IST)
CVE-2021-3416 QEMU: net: infinite loop in loopback mode may lead tostack overflow

Source: secalert@redhat.com
Type: Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Third Party Advisory
secalert@redhat.com

Source: secalert@redhat.com
Type: Mailing List, Patch, Third Party Advisory
secalert@redhat.com

Source: CCN
Type: QEMU Web site
QEMU

Vulnerable Configuration:Configuration RedHat 1:
  • cpe:/a:redhat:enterprise_linux:8:*:*:*:*:*:*:*
    • Configuration RedHat 2:
  • cpe:/a:redhat:enterprise_linux:8::appstream:*:*:*:*:*
    • Configuration RedHat 3:
  • cpe:/a:redhat:enterprise_linux:8::crb:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:qemu:qemu:-:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:8034
    P
    		libpcp-devel-5.2.5-150400.5.3.11 on GA media (Moderate)
    2023-06-20
    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:7948
    P
    		libmozjs-78-0-78.15.0-150400.1.10 on GA media (Moderate)
    2023-06-12
    oval:org.opensuse.security:def:719
    P
    		Security update for gstreamer-plugins-good (Important)
    2022-08-31
    oval:org.opensuse.security:def:3620
    P
    		Security update for xen (Important)
    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:3385
    P
    		tpm2.0-tools-3.1.4-1.12 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:94497
    P
    		aspell-0.60.8-3.3.1 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:95201
    P
    		libavformat58_76-4.4-150400.1.13 on GA media (Moderate)
    2022-06-22
    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:351
    P
    		qemu-6.2.0-150400.35.10 on GA media (Moderate)
    2022-06-10
    oval:org.opensuse.security:def:6053
    P
    		Security update for postgresql13 (Important)
    2022-05-25
    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:99440
    P
    		 (Moderate)
    2021-12-06
    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:101914
    P
    		Security update for the Linux Kernel (Live Patch 0 for SLE 15 SP3) (Important)
    2021-08-17
    oval:com.redhat.rhsa:def:20213061
    P
    		RHSA-2021:3061: virt:rhel and virt-devel:rhel security and bug fix update (Moderate)
    2021-08-10
    oval:org.opensuse.security:def:101210
    P
    		libopenjpeg1-1.5.2-2.28 on GA media (Moderate)
    2021-08-09
    oval:org.opensuse.security:def:38199
    P
    		Security update for kvm (Important)
    2021-08-06
    oval:org.opensuse.security:def:40423
    P
    		Security update for kvm (Important)
    2021-08-06
    oval:org.opensuse.security:def:44853
    P
    		Security update for kvm (Important)
    2021-08-06
    oval:org.opensuse.security:def:41467
    P
    		Security update for kvm (Important)
    2021-08-03
    oval:org.opensuse.security:def:45897
    P
    		Security update for kvm (Important)
    2021-08-03
    oval:org.opensuse.security:def:111576
    P
    		Security update for qemu (Important)
    2021-07-11
    oval:org.opensuse.security:def:101450
    P
    		Security update for qemu (Important)
    2021-06-10
    oval:org.opensuse.security:def:69123
    P
    		Security update for qemu (Important)
    2021-06-10
    oval:org.opensuse.security:def:76210
    P
    		Security update for qemu (Important)
    2021-06-10
    oval:org.opensuse.security:def:67142
    P
    		Security update for qemu (Important)
    2021-06-10
    oval:org.opensuse.security:def:1611
    P
    		Security update for qemu (Important)
    2021-06-10
    oval:org.opensuse.security:def:73831
    P
    		Security update for qemu (Important)
    2021-06-10
    oval:org.opensuse.security:def:97059
    P
    		Security update for qemu (Important)
    2021-06-10
    oval:org.opensuse.security:def:64709
    P
    		Security update for qemu (Important)
    2021-06-10
    oval:org.opensuse.security:def:99639
    P
    		 (Important)
    2021-06-01
    oval:org.opensuse.security:def:111339
    P
    		Security update for qemu (Important)
    2021-04-23
    oval:org.opensuse.security:def:30064
    P
    		Security update for qemu (Important)
    2021-04-22
    oval:org.opensuse.security:def:55887
    P
    		Security update for qemu (Important)
    2021-04-22
    oval:org.opensuse.security:def:83271
    P
    		Security update for qemu (Important)
    2021-04-22
    oval:org.opensuse.security:def:30184
    P
    		Security update for qemu (Important)
    2021-04-22
    oval:org.opensuse.security:def:56007
    P
    		Security update for qemu (Important)
    2021-04-22
    oval:org.opensuse.security:def:83391
    P
    		Security update for qemu (Important)
    2021-04-22
    oval:org.opensuse.security:def:29350
    P
    		Security update for qemu (Important)
    2021-04-22
    oval:org.opensuse.security:def:55173
    P
    		Security update for qemu (Important)
    2021-04-22
    oval:org.opensuse.security:def:82557
    P
    		Security update for qemu (Important)
    2021-04-22
    oval:org.opensuse.security:def:31607
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:57430
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:84584
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:10061
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:92096
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:96856
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:99241
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:33893
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:59716
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:87362
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:126689
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:109385
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:75810
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:92888
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:9307
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:70201
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:5653
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:66742
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:89371
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:32071
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:57894
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:85616
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:23550
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:51538
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:117391
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:10241
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:92291
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:96857
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:8562
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:69447
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:34409
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:60232
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:88102
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:127086
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:93041
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:42061
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:9491
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:70381
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:98851
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:32898
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:58721
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:86071
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:23885
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:51873
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:96029
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:118481
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:107876
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:73596
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:92490
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:96858
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:8740
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:69631
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:64474
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:88414
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:31152
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:56975
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:84127
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:93194
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:9690
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:91901
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:102719
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:69037
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:99046
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:33635
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:59458
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:86535
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:125518
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:108580
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:92689
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:8935
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:69830
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:99945
    P
    		Security update for qemu (Important)
    2021-04-16
    oval:org.opensuse.security:def:89113
    P
    		Security update for qemu (Important)
    2021-04-16
    BACK
    qemu qemu -