ByteOS Network

Vulnerability Details :

CVE-2019-20908

Assigner-mitre

Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca

Published At-15 Jul, 2020 | 21:24

Updated At-05 Aug, 2024 | 02:53

An issue was discovered in drivers/firmware/efi/efi.c in the Linux kernel before 5.4. Incorrect access permissions for the efivar_ssdt ACPI variable could be used by attackers to bypass lockdown or secure boot restrictions, aka CID-1957a85b0032.

EPSS History

Score

Latest Score

N/A

Percentile

Latest Percentile

N/A

▼Common Vulnerabilities and Exposures (CVE)

cve.org

Assigner:mitre

Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca

Published At:15 Jul, 2020 | 21:24

Updated At:05 Aug, 2024 | 02:53

▼CVE Numbering Authority (CNA)

Affected Products

Vendor

n/a

Product

n/a

Versions

Affected

Problem Types

Type	CWE ID	Description
text	N/A	n/a

Type: text

CWE ID: N/A

Description: n/a

References

Hyperlink	Resource
https://git.zx2c4.com/american-unsigned-language/tree/american-unsigned-language.sh	x_refsource_MISC
https://mailarchives.bentasker.co.uk/Mirrors/OSSSec/2020/06-Jun/msg00035.html	x_refsource_MISC
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1957a85b0032a81e6482ca4aab883643b8dae06e	x_refsource_MISC
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4	x_refsource_MISC
http://www.openwall.com/lists/oss-security/2020/07/20/6	mailing-list x_refsource_MLIST
https://usn.ubuntu.com/4427-1/	vendor-advisory x_refsource_UBUNTU
http://www.openwall.com/lists/oss-security/2020/07/29/3	mailing-list x_refsource_MLIST
http://www.openwall.com/lists/oss-security/2020/07/30/3	mailing-list x_refsource_MLIST
http://www.openwall.com/lists/oss-security/2020/07/30/2	mailing-list x_refsource_MLIST
https://usn.ubuntu.com/4439-1/	vendor-advisory x_refsource_UBUNTU
https://usn.ubuntu.com/4426-1/	vendor-advisory x_refsource_UBUNTU
https://usn.ubuntu.com/4440-1/	vendor-advisory x_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html	vendor-advisory x_refsource_SUSE

Hyperlink: https://git.zx2c4.com/american-unsigned-language/tree/american-unsigned-language.sh

Resource:

x_refsource_MISC

Hyperlink: https://mailarchives.bentasker.co.uk/Mirrors/OSSSec/2020/06-Jun/msg00035.html

Resource:

x_refsource_MISC

Hyperlink: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1957a85b0032a81e6482ca4aab883643b8dae06e

Resource:

x_refsource_MISC

Hyperlink: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4

Resource:

x_refsource_MISC

Hyperlink: http://www.openwall.com/lists/oss-security/2020/07/20/6

Resource:

mailing-list

x_refsource_MLIST

Hyperlink: https://usn.ubuntu.com/4427-1/

Resource:

vendor-advisory

x_refsource_UBUNTU

Hyperlink: http://www.openwall.com/lists/oss-security/2020/07/29/3

Resource:

mailing-list

x_refsource_MLIST

Hyperlink: http://www.openwall.com/lists/oss-security/2020/07/30/3

Resource:

mailing-list

x_refsource_MLIST

Hyperlink: http://www.openwall.com/lists/oss-security/2020/07/30/2

Resource:

mailing-list

x_refsource_MLIST

Hyperlink: https://usn.ubuntu.com/4439-1/

Resource:

vendor-advisory

x_refsource_UBUNTU

Hyperlink: https://usn.ubuntu.com/4426-1/

Resource:

vendor-advisory

x_refsource_UBUNTU

Hyperlink: https://usn.ubuntu.com/4440-1/

Resource:

vendor-advisory

x_refsource_UBUNTU

Hyperlink: http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html

Resource:

vendor-advisory

x_refsource_SUSE

▼Authorized Data Publishers (ADP)

CVE Program Container

References

Hyperlink	Resource
https://git.zx2c4.com/american-unsigned-language/tree/american-unsigned-language.sh	x_refsource_MISC x_transferred
https://mailarchives.bentasker.co.uk/Mirrors/OSSSec/2020/06-Jun/msg00035.html	x_refsource_MISC x_transferred
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1957a85b0032a81e6482ca4aab883643b8dae06e	x_refsource_MISC x_transferred
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4	x_refsource_MISC x_transferred
http://www.openwall.com/lists/oss-security/2020/07/20/6	mailing-list x_refsource_MLIST x_transferred
https://usn.ubuntu.com/4427-1/	vendor-advisory x_refsource_UBUNTU x_transferred
http://www.openwall.com/lists/oss-security/2020/07/29/3	mailing-list x_refsource_MLIST x_transferred
http://www.openwall.com/lists/oss-security/2020/07/30/3	mailing-list x_refsource_MLIST x_transferred
http://www.openwall.com/lists/oss-security/2020/07/30/2	mailing-list x_refsource_MLIST x_transferred
https://usn.ubuntu.com/4439-1/	vendor-advisory x_refsource_UBUNTU x_transferred
https://usn.ubuntu.com/4426-1/	vendor-advisory x_refsource_UBUNTU x_transferred
https://usn.ubuntu.com/4440-1/	vendor-advisory x_refsource_UBUNTU x_transferred
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html	vendor-advisory x_refsource_SUSE x_transferred

Hyperlink: https://git.zx2c4.com/american-unsigned-language/tree/american-unsigned-language.sh

Resource:

x_refsource_MISC

x_transferred

Hyperlink: https://mailarchives.bentasker.co.uk/Mirrors/OSSSec/2020/06-Jun/msg00035.html

Resource:

x_refsource_MISC

x_transferred

Hyperlink: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1957a85b0032a81e6482ca4aab883643b8dae06e

Resource:

x_refsource_MISC

x_transferred

Hyperlink: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4

Resource:

x_refsource_MISC

x_transferred

Hyperlink: http://www.openwall.com/lists/oss-security/2020/07/20/6

Resource:

mailing-list

x_refsource_MLIST

x_transferred

Hyperlink: https://usn.ubuntu.com/4427-1/

Resource:

vendor-advisory

x_refsource_UBUNTU

x_transferred

Hyperlink: http://www.openwall.com/lists/oss-security/2020/07/29/3

Resource:

mailing-list

x_refsource_MLIST

x_transferred

Hyperlink: http://www.openwall.com/lists/oss-security/2020/07/30/3

Resource:

mailing-list

x_refsource_MLIST

x_transferred

Hyperlink: http://www.openwall.com/lists/oss-security/2020/07/30/2

Resource:

mailing-list

x_refsource_MLIST

x_transferred

Hyperlink: https://usn.ubuntu.com/4439-1/

Resource:

vendor-advisory

x_refsource_UBUNTU

x_transferred

Hyperlink: https://usn.ubuntu.com/4426-1/

Resource:

vendor-advisory

x_refsource_UBUNTU

x_transferred

Hyperlink: https://usn.ubuntu.com/4440-1/

Resource:

vendor-advisory

x_refsource_UBUNTU

x_transferred

Hyperlink: http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html

Resource:

vendor-advisory

x_refsource_SUSE

x_transferred

▼National Vulnerability Database (NVD)

nvd.nist.gov

Source:cve@mitre.org

Published At:15 Jul, 2020 | 22:15

Updated At:21 Jul, 2021 | 11:39

Date Added	Due Date	Vulnerability Name	Required Action
	N/A

Metrics

Type	Version	Base score	Base severity	Vector
Primary	3.1	6.7	MEDIUM	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Primary	2.0	6.9	MEDIUM	AV:L/AC:M/Au:N/C:C/I:C/A:C

Type: Primary

Version: 3.1

Base score: 6.7

Base severity: MEDIUM

Vector:

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

Type: Primary

Version: 2.0

Base score: 6.9

Base severity: MEDIUM

Vector:

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

CPE Matches

Linux Kernel Organization, Inc

>>linux_kernel>>Versions before 5.4(exclusive)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

openSUSE

>>leap>>15.1

cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*

Canonical Ltd.

>>ubuntu_linux>>16.04

cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

Canonical Ltd.

>>ubuntu_linux>>18.04

cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*

Weaknesses

CWE ID	Type	Source
NVD-CWE-noinfo	Primary	nvd@nist.gov

CWE ID: NVD-CWE-noinfo

Type: Primary

Source: nvd@nist.gov

References

Hyperlink	Source	Resource
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html	cve@mitre.org	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/20/6	cve@mitre.org	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/29/3	cve@mitre.org	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/30/2	cve@mitre.org	Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/07/30/3	cve@mitre.org	Mailing List Third Party Advisory
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4	cve@mitre.org	Release Notes Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1957a85b0032a81e6482ca4aab883643b8dae06e	cve@mitre.org	Patch Vendor Advisory
https://git.zx2c4.com/american-unsigned-language/tree/american-unsigned-language.sh	cve@mitre.org	Patch Third Party Advisory
https://mailarchives.bentasker.co.uk/Mirrors/OSSSec/2020/06-Jun/msg00035.html	cve@mitre.org	Mailing List Third Party Advisory
https://usn.ubuntu.com/4426-1/	cve@mitre.org	Third Party Advisory
https://usn.ubuntu.com/4427-1/	cve@mitre.org	Third Party Advisory
https://usn.ubuntu.com/4439-1/	cve@mitre.org	Third Party Advisory
https://usn.ubuntu.com/4440-1/	cve@mitre.org	Third Party Advisory

Hyperlink: http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html

Source: cve@mitre.org

Resource:

Mailing List

Third Party Advisory

Hyperlink: http://www.openwall.com/lists/oss-security/2020/07/20/6

Source: cve@mitre.org

Resource:

Mailing List

Third Party Advisory

Hyperlink: http://www.openwall.com/lists/oss-security/2020/07/29/3

Source: cve@mitre.org

Resource:

Mailing List

Third Party Advisory

Hyperlink: http://www.openwall.com/lists/oss-security/2020/07/30/2

Source: cve@mitre.org

Resource:

Mailing List

Third Party Advisory

Hyperlink: http://www.openwall.com/lists/oss-security/2020/07/30/3

Source: cve@mitre.org

Resource:

Mailing List

Third Party Advisory

Hyperlink: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4

Source: cve@mitre.org

Resource:

Release Notes

Vendor Advisory

Hyperlink: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1957a85b0032a81e6482ca4aab883643b8dae06e

Source: cve@mitre.org

Resource:

Patch

Vendor Advisory

Hyperlink: https://git.zx2c4.com/american-unsigned-language/tree/american-unsigned-language.sh

Source: cve@mitre.org

Resource:

Patch

Third Party Advisory

Hyperlink: https://mailarchives.bentasker.co.uk/Mirrors/OSSSec/2020/06-Jun/msg00035.html

Source: cve@mitre.org

Resource:

Mailing List

Third Party Advisory

Hyperlink: https://usn.ubuntu.com/4426-1/

Source: cve@mitre.org

Resource:

Third Party Advisory

Hyperlink: https://usn.ubuntu.com/4427-1/

Source: cve@mitre.org

Resource:

Third Party Advisory

Hyperlink: https://usn.ubuntu.com/4439-1/

Source: cve@mitre.org

Resource:

Third Party Advisory

Hyperlink: https://usn.ubuntu.com/4440-1/

Source: cve@mitre.org

Resource:

Third Party Advisory

CVE-2019-20908

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

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

CISA Catalog

Metrics

CPE Matches

Weaknesses

Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References

Change History

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