CVE-2017-7472

The KEYS subsystem in the Linux kernel before 4.10.13 allows local users to cause a denial of service (memory consumption) via a series of KEY_REQKEY_DEFL_THREAD_KEYRING keyctl_set_reqkey_keyring calls.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 4.9 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

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

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.9^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 3.9 / Impact : 6.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.13	Release Notes Vendor Advisory
https://lkml.org/lkml/2017/4/3/724	Broken Link
https://lkml.org/lkml/2017/4/1/235	Broken Link
https://github.com/torvalds/linux/commit/c9f838d104fed6f2f61d68164712e3204bf5271b	Issue Tracking Patch Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1442086	Issue Tracking Patch
https://bugzilla.novell.com/show_bug.cgi?id=1034862	Issue Tracking Patch
http://openwall.com/lists/oss-security/2017/05/11/1	Mailing List Patch Third Party Advisory
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9f838d104fed6f2f61d68164712e3204bf5271b	Issue Tracking Patch Third Party Advisory
http://www.securityfocus.com/bid/98422
http://www.securitytracker.com/id/1038471
https://www.exploit-db.com/exploits/42136/
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
https://access.redhat.com/errata/RHSA-2018:0181
https://access.redhat.com/errata/RHSA-2018:0152
https://access.redhat.com/errata/RHSA-2018:0151

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Configurations

Configuration 1 (hide)

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

Information

Published : 2017-05-11 12:29

Updated : 2023-02-12 15:30

NVD link : CVE-2017-7472

Mitre link : CVE-2017-7472

JSON object : View

CWE

CWE-404

Improper Resource Shutdown or Release

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Products Affected

linux

linux_kernel

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