NVD

CVE-2020-25668 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Description

A flaw was found in Linux Kernel because access to the global variable fg_console is not properly synchronized leading to a use after free in con_font_op.

Metrics

NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.

CVSS 4.0 Severity and Vector Strings:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: 7.0 HIGH

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

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 6.9 MEDIUM

Vector: (AV:L/AC:M/Au:N/C:C/I:C/A:C)

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://www.openwall.com/lists/oss-security/2020/10/30/1	Exploit Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/11/04/3	Exploit Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1893287%2C
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220	Mailing List Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html	Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20210702-0005/	Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/10/30/1%2C
https://www.openwall.com/lists/oss-security/2020/11/04/3%2C

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-662	Improper Synchronization	NIST
CWE-362	Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')	Red Hat, Inc.

Known Affected Software Configurations Switch to CPE 2.2

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Denotes Vulnerable Software
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Change History

8 change records found show changes

CVE Modified by Red Hat, Inc. 11/06/2023 10:20:20 PM

Action	Type	Old Value	New Value
Removed	CWE	Red Hat, Inc. CWE-416
Added	Reference		Red Hat, Inc. https://bugzilla.redhat.com/show_bug.cgi?id=1893287%2C [No types assigned]
Added	Reference		Red Hat, Inc. https://www.openwall.com/lists/oss-security/2020/10/30/1%2C [No types assigned]
Added	Reference		Red Hat, Inc. https://www.openwall.com/lists/oss-security/2020/11/04/3%2C [No types assigned]
Removed	Reference	Red Hat, Inc. https://bugzilla.redhat.com/show_bug.cgi?id=1893287,
Removed	Reference	Red Hat, Inc. https://www.openwall.com/lists/oss-security/2020/10/30/1,
Removed	Reference	Red Hat, Inc. https://www.openwall.com/lists/oss-security/2020/11/04/3,

Modified Analysis by NIST 5/13/2022 3:45:58 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:500f_firmware:-::::::: OR cpe:2.3:h:netapp:500f:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:a250_firmware:-::::::: OR cpe:2.3:h:netapp:a250:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:h300e_firmware:-::::::: OR cpe:2.3:h:netapp:h300e:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:h300s_firmware:-::::::: OR cpe:2.3:h:netapp:h300s:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:h410c_firmware:-::::::: OR cpe:2.3:h:netapp:h410c:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:h410s_firmware:-::::::: OR cpe:2.3:h:netapp:h410s:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:h500e_firmware:-::::::: OR cpe:2.3:h:netapp:h500e:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:h500s_firmware:-::::::: OR cpe:2.3:h:netapp:h500s:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:h700e_firmware:-::::::: OR cpe:2.3:h:netapp:h700e:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:h700s_firmware:-::::::: OR cpe:2.3:h:netapp:h700s:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-::::::: OR cpe:2.3:h:netapp:solidfire_baseboard_management_controller:-:::::::*
Added	CPE Configuration		OR cpe:2.3:a:netapp:cloud_backup:-::::::: cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:::::::
Changed	Reference Type	https://bugzilla.redhat.com/show_bug.cgi?id=1893287, Broken Link	https://bugzilla.redhat.com/show_bug.cgi?id=1893287, Broken Link, Issue Tracking
Changed	Reference Type	https://security.netapp.com/advisory/ntap-20210702-0005/ No Types Assigned	https://security.netapp.com/advisory/ntap-20210702-0005/ Third Party Advisory

Initial Analysis by NIST 6/04/2021 8:33:42 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		OR cpe:2.3:o:debian:debian_linux:9.0:::::::
Added	CPE Configuration		OR cpe:2.3:o:linux:linux_kernel:5.9.2:::::::
Added	CVSS V2		NIST (AV:L/AC:M/Au:N/C:C/I:C/A:C)
Added	CVSS V3.1		NIST AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Changed	Reference Type	http://www.openwall.com/lists/oss-security/2020/10/30/1 No Types Assigned	http://www.openwall.com/lists/oss-security/2020/10/30/1 Exploit, Mailing List, Patch, Third Party Advisory
Changed	Reference Type	http://www.openwall.com/lists/oss-security/2020/11/04/3 No Types Assigned	http://www.openwall.com/lists/oss-security/2020/11/04/3 Exploit, Mailing List, Patch, Third Party Advisory
Changed	Reference Type	https://bugzilla.redhat.com/show_bug.cgi?id=1893287, No Types Assigned	https://bugzilla.redhat.com/show_bug.cgi?id=1893287, Broken Link
Changed	Reference Type	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220 No Types Assigned	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit?id=90bfdeef83f1d6c696039b6a917190dcbbad3220 Mailing List, Patch, Third Party Advisory
Changed	Reference Type	https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html No Types Assigned	https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html Mailing List, Third Party Advisory
Changed	Reference Type	https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html No Types Assigned	https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html Mailing List, Third Party Advisory
Changed	Reference Type	https://www.openwall.com/lists/oss-security/2020/10/30/1, No Types Assigned	https://www.openwall.com/lists/oss-security/2020/10/30/1, Exploit, Mailing List, Patch, Third Party Advisory
Changed	Reference Type	https://www.openwall.com/lists/oss-security/2020/11/04/3, No Types Assigned	https://www.openwall.com/lists/oss-security/2020/11/04/3, Exploit, Mailing List, Patch, Third Party Advisory

Quick Info

CVE Dictionary Entry:
CVE-2020-25668
NVD Published Date:
05/26/2021
NVD Last Modified:
11/06/2023
Source:
Red Hat, Inc.

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2020-25668 Detail

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Change History

CVE Modified by Red Hat, Inc. 5/14/2024 2:51:53 AM

CVE Modified by Red Hat, Inc. 11/06/2023 10:20:20 PM

Reanalysis by NIST 10/05/2023 10:21:38 AM

Reanalysis by NIST 7/28/2023 3:40:00 PM

Reanalysis by NIST 8/05/2022 11:59:37 AM

Modified Analysis by NIST 5/13/2022 3:45:58 PM

CVE Modified by Red Hat, Inc. 7/02/2021 8:15:08 AM

Initial Analysis by NIST 6/04/2021 8:33:42 AM

Quick Info