NVD

CVE-2017-2647 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

The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c.

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:3.0/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: 7.2 HIGH

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

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81	Issue Tracking Patch Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81	Issue Tracking Patch Third Party Advisory
http://www.securityfocus.com/bid/97258	Third Party Advisory VDB Entry
http://www.securityfocus.com/bid/97258	Third Party Advisory VDB Entry
https://access.redhat.com/errata/RHSA-2017:1842
https://access.redhat.com/errata/RHSA-2017:1842
https://access.redhat.com/errata/RHSA-2017:2077
https://access.redhat.com/errata/RHSA-2017:2077
https://access.redhat.com/errata/RHSA-2017:2437
https://access.redhat.com/errata/RHSA-2017:2437
https://access.redhat.com/errata/RHSA-2017:2444
https://access.redhat.com/errata/RHSA-2017:2444
https://bugzilla.redhat.com/show_bug.cgi?id=1428353	Issue Tracking Patch
https://bugzilla.redhat.com/show_bug.cgi?id=1428353	Issue Tracking Patch
https://github.com/torvalds/linux/commit/c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81	Issue Tracking Patch Third Party Advisory
https://github.com/torvalds/linux/commit/c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81	Issue Tracking Patch Third Party Advisory
https://usn.ubuntu.com/3849-1/
https://usn.ubuntu.com/3849-1/
https://usn.ubuntu.com/3849-2/
https://usn.ubuntu.com/3849-2/

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-476	NULL Pointer Dereference	NIST

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Change History

9 change records found show changes

CVE Modified by CVE 11/20/2024 10:23:54 PM

Action	Type	New Value
Added	Reference	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81
Added	Reference	http://www.securityfocus.com/bid/97258
Added	Reference	https://access.redhat.com/errata/RHSA-2017:1842
Added	Reference	https://access.redhat.com/errata/RHSA-2017:2077
Added	Reference	https://access.redhat.com/errata/RHSA-2017:2437
Added	Reference	https://access.redhat.com/errata/RHSA-2017:2444
Added	Reference	https://bugzilla.redhat.com/show_bug.cgi?id=1428353
Added	Reference	https://github.com/torvalds/linux/commit/c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81
Added	Reference	https://usn.ubuntu.com/3849-1/
Added	Reference	https://usn.ubuntu.com/3849-2/

CVE Modified by Red Hat, Inc. 2/12/2023 6:29:38 PM

Action	Type	Old Value	New Value
Changed	Description	A flaw was found that can be triggered in keyring_search_iterator in keyring.c if type->match is NULL. A local user could use this flaw to crash the system or, potentially, escalate their privileges.	The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c.
Removed	CVSS V3	Red Hat, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Removed	Reference	https://access.redhat.com/errata/RHSA-2020:3548 [No Types Assigned]
Removed	Reference	https://access.redhat.com/errata/RHSA-2020:3836 [No Types Assigned]
Removed	Reference	https://access.redhat.com/security/cve/CVE-2017-2647 [No Types Assigned]

CVE Modified by Red Hat, Inc. 2/02/2023 4:17:45 PM

Action	Type	Old Value	New Value
Changed	Description	The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c.	A flaw was found that can be triggered in keyring_search_iterator in keyring.c if type->match is NULL. A local user could use this flaw to crash the system or, potentially, escalate their privileges.
Added	CVSS V3		Red Hat, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added	Reference		https://access.redhat.com/errata/RHSA-2020:3548 [No Types Assigned]
Added	Reference		https://access.redhat.com/errata/RHSA-2020:3836 [No Types Assigned]
Added	Reference		https://access.redhat.com/security/cve/CVE-2017-2647 [No Types Assigned]

Initial Analysis by NIST 4/04/2017 12:02:19 PM

Action	Type	Old Value	New Value
Added	CVSS V3		AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Added	CVSS V2		(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Added	CWE		CWE-476
Added	CPE Configuration		OR cpe:2.3:o:linux:linux_kernel:3.17.8::::::: (and previous)
Changed	Reference Type	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81 No Types Assigned	http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81 Issue Tracking, Patch, Third Party Advisory
Changed	Reference Type	http://www.securityfocus.com/bid/97258 No Types Assigned	http://www.securityfocus.com/bid/97258 Third Party Advisory, VDB Entry
Changed	Reference Type	https://bugzilla.redhat.com/show_bug.cgi?id=1428353 No Types Assigned	https://bugzilla.redhat.com/show_bug.cgi?id=1428353 Issue Tracking, Patch
Changed	Reference Type	https://github.com/torvalds/linux/commit/c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81 No Types Assigned	https://github.com/torvalds/linux/commit/c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81 Issue Tracking, Patch, Third Party Advisory

Quick Info

CVE Dictionary Entry:
CVE-2017-2647
NVD Published Date:
03/31/2017
NVD Last Modified:
11/20/2024
Source:
Red Hat, Inc.

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2017-2647 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 CVE 11/20/2024 10:23:54 PM

CVE Modified by Red Hat, Inc. 5/14/2024 12:36:43 AM

CVE Modified by Red Hat, Inc. 2/12/2023 6:29:38 PM

CVE Modified by Red Hat, Inc. 2/02/2023 4:17:45 PM

CVE Modified by Red Hat, Inc. 1/15/2019 6:29:00 AM

CVE Modified by Red Hat, Inc. 12/21/2018 6:29:03 AM

CVE Modified by Red Hat, Inc. 1/04/2018 9:31:30 PM

Initial Analysis by NIST 4/04/2017 12:02:19 PM

CVE Modified by Red Hat, Inc. 4/03/2017 9:59:06 PM

Quick Info