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CVE-2020-27815 Detail

Description

A flaw was found in the JFS filesystem code in the Linux Kernel which allows a local attacker with the ability to set extended attributes to panic the system, causing memory corruption or escalating privileges. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.

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: 7.8 HIGH

Vector: CVSS:3.1/AV:L/AC:L/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: 6.1 MEDIUM

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

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://www.openwall.com/lists/oss-security/2020/11/30/5	Exploit Mailing List Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/12/28/1	Exploit Mailing List Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1897668%2C	Issue Tracking
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c61b3e4839007668360ed8b87d7da96d2e59fc6c	Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html	Mailing List Third Party Advisory
https://security.netapp.com/advisory/ntap-20210702-0004/	Third Party Advisory
https://www.debian.org/security/2021/dsa-4843	Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/11/30/5%2C	Mailing List
https://www.openwall.com/lists/oss-security/2020/12/28/1%2C	Mailing List

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-787	Out-of-bounds Write	NIST
CWE-119	Improper Restriction of Operations within the Bounds of a Memory Buffer	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

7 change records found show changes

Modified Analysis by NIST 7/28/2023 3:32:18 PM

Action	Type	Old Value	New Value
Changed	CPE Configuration	OR cpe:2.3:o:linux:linux_kernel:5.9.6:::::::	Record truncated, showing 500 of 625 characters. View Entire Change Record OR cpe:2.3:o:linux:linux_kernel::::::::* versions from (excluding) 4.4.249 cpe:2.3:o:linux:linux_kernel::::::::* versions from (including) 4.5 up to (excluding) 4.9.249 cpe:2.3:o:linux:linux_kernel::::::::* versions from (including) 4.10 up to (excluding) 4.14.213 cpe:2.3:o:linux:linux_kernel::::::::* versions from (including) 4.15 up to (excluding) 4.19.164 cpe:2.3:o:linux:linux_kernel::::::::* versions from (including) 4.20 up to
Changed	Reference Type	https://bugzilla.redhat.com/show_bug.cgi?id=1897668%2C No Types Assigned	https://bugzilla.redhat.com/show_bug.cgi?id=1897668%2C Issue Tracking
Changed	Reference Type	https://www.openwall.com/lists/oss-security/2020/11/30/5%2C No Types Assigned	https://www.openwall.com/lists/oss-security/2020/11/30/5%2C Mailing List
Changed	Reference Type	https://www.openwall.com/lists/oss-security/2020/12/28/1%2C No Types Assigned	https://www.openwall.com/lists/oss-security/2020/12/28/1%2C Mailing List

CVE Modified by Red Hat, Inc. 2/12/2023 6:40:52 PM

Action	Type	Old Value	New Value
Added	Reference		https://bugzilla.redhat.com/show_bug.cgi?id=1897668%2C [No Types Assigned]
Added	Reference		https://www.openwall.com/lists/oss-security/2020/11/30/5%2C [No Types Assigned]
Added	Reference		https://www.openwall.com/lists/oss-security/2020/12/28/1%2C [No Types Assigned]
Removed	Reference	https://bugzilla.redhat.com/show_bug.cgi?id=1897668, [Broken Link, Issue Tracking]
Removed	Reference	https://www.openwall.com/lists/oss-security/2020/11/30/5, [Exploit, Mailing List, Third Party Advisory]
Removed	Reference	https://www.openwall.com/lists/oss-security/2020/12/28/1, [Exploit, Mailing List, Patch, Third Party Advisory]

Modified Analysis by NIST 12/10/2021 2:56:52 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:aff_a250_firmware:-::::::: OR cpe:2.3:h:netapp:aff_a250:-:::::::*
Added	CPE Configuration		AND OR cpe:2.3:o:netapp:fas500f_firmware:-::::::: OR cpe:2.3:h:netapp:fas500f:-:::::::*
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	CWE		NIST CWE-787
Changed	Reference Type	https://bugzilla.redhat.com/show_bug.cgi?id=1897668, Broken Link	https://bugzilla.redhat.com/show_bug.cgi?id=1897668, Broken Link, Issue Tracking
Changed	Reference Type	https://security.netapp.com/advisory/ntap-20210702-0004/ No Types Assigned	https://security.netapp.com/advisory/ntap-20210702-0004/ Third Party Advisory

Initial Analysis by NIST 6/03/2021 10:29:23 AM

Action	Type	Old Value	New Value
Added	CPE Configuration		OR cpe:2.3:o:debian:debian_linux:9.0::::::: cpe:2.3:o:debian:debian_linux:10.0:::::::
Added	CPE Configuration		OR cpe:2.3:o:linux:linux_kernel:5.9.6:::::::
Added	CVSS V2		NIST (AV:L/AC:L/Au:N/C:P/I:P/A:C)
Added	CVSS V3.1		NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Changed	Reference Type	http://www.openwall.com/lists/oss-security/2020/11/30/5 No Types Assigned	http://www.openwall.com/lists/oss-security/2020/11/30/5 Exploit, Mailing List, Third Party Advisory
Changed	Reference Type	http://www.openwall.com/lists/oss-security/2020/12/28/1 No Types Assigned	http://www.openwall.com/lists/oss-security/2020/12/28/1 Exploit, Mailing List, Patch, Third Party Advisory
Changed	Reference Type	https://bugzilla.redhat.com/show_bug.cgi?id=1897668, No Types Assigned	https://bugzilla.redhat.com/show_bug.cgi?id=1897668, Broken Link
Changed	Reference Type	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c61b3e4839007668360ed8b87d7da96d2e59fc6c No Types Assigned	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c61b3e4839007668360ed8b87d7da96d2e59fc6c Patch, Vendor Advisory
Changed	Reference Type	https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html No Types Assigned	https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html Mailing List, Third Party Advisory
Changed	Reference Type	https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html No Types Assigned	https://lists.debian.org/debian-lts-announce/2021/03/msg00010.html Mailing List, Third Party Advisory
Changed	Reference Type	https://www.debian.org/security/2021/dsa-4843 No Types Assigned	https://www.debian.org/security/2021/dsa-4843 Third Party Advisory
Changed	Reference Type	https://www.openwall.com/lists/oss-security/2020/11/30/5, No Types Assigned	https://www.openwall.com/lists/oss-security/2020/11/30/5, Exploit, Mailing List, Third Party Advisory
Changed	Reference Type	https://www.openwall.com/lists/oss-security/2020/12/28/1, No Types Assigned	https://www.openwall.com/lists/oss-security/2020/12/28/1, Exploit, Mailing List, Patch, Third Party Advisory

Quick Info

CVE Dictionary Entry:
CVE-2020-27815
NVD Published Date:
05/26/2021
NVD Last Modified:
07/28/2023
Source:
Red Hat, Inc.

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2020-27815 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 2:59:18 AM

Modified Analysis by NIST 7/28/2023 3:32:18 PM

CVE Modified by Red Hat, Inc. 2/12/2023 6:40:52 PM

Reanalysis by NIST 8/05/2022 11:59:14 AM

Modified Analysis by NIST 12/10/2021 2:56:52 PM

CVE Modified by Red Hat, Inc. 7/02/2021 8:15:11 AM

Initial Analysis by NIST 6/03/2021 10:29:23 AM

Quick Info