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CVE-2017-7472

Good to know:

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Date: May 11, 2017

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.

Language: C

Severity Score

Related Resources (20)

https://github.com/torvalds/linux/commit/c9f838d104fed6f2f61d68164712e3204bf5271b
https://lkml.org/lkml/2017/4/3/724
https://www.exploit-db.com/exploits/42136/
http://openwall.com/lists/oss-security/2017/05/11/1
https://security-tracker.debian.org/tracker/CVE-2017-7472
https://nvd.nist.gov/vuln/detail/CVE-2017-7472
https://lkml.org/lkml/2017/4/1/235
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-7472
http://www.securityfocus.com/bid/98422
https://access.redhat.com/errata/RHSA-2018:0181
https://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.10.13
http://lists.opensuse.org/opensuse-security-announce/2018-01/msg00007.html
https://bugzilla.novell.com/show_bug.cgi?id=1034862
https://bugzilla.redhat.com/show_bug.cgi?id=1442086
https://access.redhat.com/security/cve/CVE-2017-7472
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c9f838d104fed6f2f61d68164712e3204bf5271b
https://access.redhat.com/errata/RHSA-2018:0152
https://access.redhat.com/errata/RHSA-2018:0151
http://www.securitytracker.com/id/1038471
https://www.mend.io/vulnerability-database/CVE-2017-7472

Severity Score

Weakness Type (CWE)

Improper Resource Shutdown or Release

CWE-404

Resource Management Errors

CWE-399

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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