CVE-2017-2647

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.

CVSS v3.0 7.8 HIGH
CVSS v2.0 7.2 HIGH

7.8^/10

CVSS v3.0 : HIGH

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

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.2^/10

CVSS v2.0 : HIGH

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

Exploitability : 3.9 / Impact : 10.0

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References

Link	Resource
https://github.com/torvalds/linux/commit/c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81	Issue Tracking Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1428353	Issue Tracking Patch
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
https://access.redhat.com/errata/RHSA-2017:2444
https://access.redhat.com/errata/RHSA-2017:2437
https://access.redhat.com/errata/RHSA-2017:2077
https://access.redhat.com/errata/RHSA-2017:1842
https://usn.ubuntu.com/3849-2/
https://usn.ubuntu.com/3849-1/

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Configurations

Configuration 1 (hide)

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

Information

Published : 2017-03-30 21:59

Updated : 2023-02-12 15:29

NVD link : CVE-2017-2647

Mitre link : CVE-2017-2647

JSON object : View

CWE

CWE-476

NULL Pointer Dereference

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Products Affected

linux

linux_kernel

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