ByteOS Network

Vulnerability Details :

CVE-2021-20257

Assigner-redhat

Assigner Org ID-53f830b8-0a3f-465b-8143-3b8a9948e749

Published At-16 Mar, 2022 | 14:12

Updated At-03 Aug, 2024 | 17:37

An infinite loop flaw was found in the e1000 NIC emulator of the QEMU. This issue occurs while processing transmits (tx) descriptors in process_tx_desc if various descriptor fields are initialized with invalid values. This flaw allows a guest to consume CPU cycles on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

▼Common Vulnerabilities and Exposures (CVE)

cve.org

Assigner:redhat

Assigner Org ID:53f830b8-0a3f-465b-8143-3b8a9948e749

Published At:16 Mar, 2022 | 14:12

Updated At:03 Aug, 2024 | 17:37

▼CVE Numbering Authority (CNA)

Affected Products

Vendor

n/a

Product

QEMU

Versions

Affected

Fixed-In v6.2.0

Problem Types

Type	CWE ID	Description
CWE	CWE-835	CWE-835

Type: CWE

CWE ID: CWE-835

Description: CWE-835

References

Hyperlink	Resource
https://www.openwall.com/lists/oss-security/2021/02/25/2	x_refsource_MISC
https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg07428.html	x_refsource_MISC
https://github.com/qemu/qemu/commit/3de46e6fc489c52c9431a8a832ad8170a7569bd8	x_refsource_MISC
https://bugzilla.redhat.com/show_bug.cgi?id=1930087	x_refsource_MISC
https://security.netapp.com/advisory/ntap-20220425-0003/	x_refsource_CONFIRM
https://security.gentoo.org/glsa/202208-27	vendor-advisory x_refsource_GENTOO
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html	mailing-list x_refsource_MLIST

Hyperlink: https://www.openwall.com/lists/oss-security/2021/02/25/2

Resource:

x_refsource_MISC

Hyperlink: https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg07428.html

Resource:

x_refsource_MISC

Hyperlink: https://github.com/qemu/qemu/commit/3de46e6fc489c52c9431a8a832ad8170a7569bd8

Resource:

x_refsource_MISC

Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=1930087

Resource:

x_refsource_MISC

Hyperlink: https://security.netapp.com/advisory/ntap-20220425-0003/

Resource:

x_refsource_CONFIRM

Hyperlink: https://security.gentoo.org/glsa/202208-27

Resource:

vendor-advisory

x_refsource_GENTOO

Hyperlink: https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html

Resource:

mailing-list

x_refsource_MLIST

▼Authorized Data Publishers (ADP)

CVE Program Container

References

Hyperlink	Resource
https://www.openwall.com/lists/oss-security/2021/02/25/2	x_refsource_MISC x_transferred
https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg07428.html	x_refsource_MISC x_transferred
https://github.com/qemu/qemu/commit/3de46e6fc489c52c9431a8a832ad8170a7569bd8	x_refsource_MISC x_transferred
https://bugzilla.redhat.com/show_bug.cgi?id=1930087	x_refsource_MISC x_transferred
https://security.netapp.com/advisory/ntap-20220425-0003/	x_refsource_CONFIRM x_transferred
https://security.gentoo.org/glsa/202208-27	vendor-advisory x_refsource_GENTOO x_transferred
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html	mailing-list x_refsource_MLIST x_transferred

Hyperlink: https://www.openwall.com/lists/oss-security/2021/02/25/2

Resource:

x_refsource_MISC

x_transferred

Hyperlink: https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg07428.html

Resource:

x_refsource_MISC

x_transferred

Hyperlink: https://github.com/qemu/qemu/commit/3de46e6fc489c52c9431a8a832ad8170a7569bd8

Resource:

x_refsource_MISC

x_transferred

Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=1930087

Resource:

x_refsource_MISC

x_transferred

Hyperlink: https://security.netapp.com/advisory/ntap-20220425-0003/

Resource:

x_refsource_CONFIRM

x_transferred

Hyperlink: https://security.gentoo.org/glsa/202208-27

Resource:

vendor-advisory

x_refsource_GENTOO

x_transferred

Hyperlink: https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html

Resource:

mailing-list

x_refsource_MLIST

x_transferred

▼National Vulnerability Database (NVD)

nvd.nist.gov

Source:secalert@redhat.com

Published At:16 Mar, 2022 | 15:15

Updated At:12 Feb, 2023 | 22:15

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	6.5	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
Primary	2.0	2.1	LOW	AV:L/AC:L/Au:N/C:N/I:N/A:P

Type: Primary

Version: 3.1

Base score: 6.5

Base severity: MEDIUM

Vector:

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Type: Primary

Version: 2.0

Base score: 2.1

Base severity: LOW

Vector:

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

CPE Matches

QEMU

>>qemu>>Versions before 6.2.0(exclusive)

cpe:2.3:a:qemu:qemu:*:*:*:*:*:*:*:*

Fedora Project

>>fedora>>33

cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

Red Hat, Inc.

>>openstack_platform>>10.0

cpe:2.3:a:redhat:openstack_platform:10.0:*:*:*:*:*:*:*

Red Hat, Inc.

>>openstack_platform>>13.0

cpe:2.3:a:redhat:openstack_platform:13.0:*:*:*:*:*:*:*

Red Hat, Inc.

>>enterprise_linux>>6.0

cpe:2.3:o:redhat:enterprise_linux:6.0:*:*:*:*:*:*:*

Red Hat, Inc.

>>enterprise_linux>>8.0

cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

Red Hat, Inc.

>>enterprise_linux>>8.0

cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:advanced_virtualization:*:*:*

Red Hat, Inc.

>>enterprise_linux_for_ibm_z_systems>>8.0

cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:*

Red Hat, Inc.

>>enterprise_linux_for_power_little_endian>>8.0

cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*

Red Hat, Inc.

>>codeready_linux_builder>>-

cpe:2.3:a:redhat:codeready_linux_builder:-:*:*:*:*:*:*:*

Red Hat, Inc.

>>enterprise_linux>>8.0

cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

Red Hat, Inc.

>>enterprise_linux_for_ibm_z_systems>>8.0

cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems:8.0:*:*:*:*:*:*:*

Red Hat, Inc.

>>enterprise_linux_for_power_little_endian>>8.0

cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:8.0:*:*:*:*:*:*:*

Debian GNU/Linux

>>debian_linux>>10.0

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

Weaknesses

CWE ID	Type	Source
CWE-835	Primary	secalert@redhat.com
CWE-835	Secondary	nvd@nist.gov

CWE ID: CWE-835

Type: Primary

Source: secalert@redhat.com

CWE ID: CWE-835

Type: Secondary

Source: nvd@nist.gov

References

Hyperlink	Source	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=1930087	secalert@redhat.com	Issue Tracking Patch Third Party Advisory
https://github.com/qemu/qemu/commit/3de46e6fc489c52c9431a8a832ad8170a7569bd8	secalert@redhat.com	Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html	secalert@redhat.com	Mailing List Third Party Advisory
https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg07428.html	secalert@redhat.com	Mailing List Patch Vendor Advisory
https://security.gentoo.org/glsa/202208-27	secalert@redhat.com	Third Party Advisory
https://security.netapp.com/advisory/ntap-20220425-0003/	secalert@redhat.com	Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/02/25/2	secalert@redhat.com	Mailing List Patch Third Party Advisory

Hyperlink: https://bugzilla.redhat.com/show_bug.cgi?id=1930087

Source: secalert@redhat.com

Resource:

Issue Tracking

Patch

Third Party Advisory

Hyperlink: https://github.com/qemu/qemu/commit/3de46e6fc489c52c9431a8a832ad8170a7569bd8

Source: secalert@redhat.com

Resource:

Patch

Third Party Advisory

Hyperlink: https://lists.debian.org/debian-lts-announce/2022/09/msg00008.html

Source: secalert@redhat.com

Resource:

Mailing List

Third Party Advisory

Hyperlink: https://lists.gnu.org/archive/html/qemu-devel/2021-02/msg07428.html

Source: secalert@redhat.com

Resource:

Mailing List

Patch

Vendor Advisory

Hyperlink: https://security.gentoo.org/glsa/202208-27

Source: secalert@redhat.com

Resource:

Third Party Advisory

Hyperlink: https://security.netapp.com/advisory/ntap-20220425-0003/

Source: secalert@redhat.com

Resource:

Third Party Advisory

Hyperlink: https://www.openwall.com/lists/oss-security/2021/02/25/2

Source: secalert@redhat.com

Resource:

Mailing List

Patch

Third Party Advisory

CVE-2021-20257

Credits

Vendors

Products

Metrics (CVSS)

Weaknesses

Attack Patterns

Solution/Workaround

References

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

Stakeholder-Specific Vulnerability Categorization (SSVC)

Affected Products

Affected

Problem Types

Metrics

Metrics Other Info

Impacts

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Exploits

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Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

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Configurations

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Exploits

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Timeline

Replaced By

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References

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

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Evaluator Solution

Vendor Statements

References

Change History

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