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CVE-2014-9715

Date: May 27, 2015

include/net/netfilter/nf_conntrack_extend.h in the netfilter subsystem in the Linux kernel before 3.14.5 uses an insufficiently large data type for certain extension data, which allows local users to cause a denial of service (NULL pointer dereference and OOPS) via outbound network traffic that triggers extension loading, as demonstrated by configuring a PPTP tunnel in a NAT environment.

Language: C

Severity Score

Related Resources (17)

http://rhn.redhat.com/errata/RHSA-2015-1564.html
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=223b02d923ecd7c84cf9780bb3686f455d279279
https://bugzilla.redhat.com/show_bug.cgi?id=1208684
http://www.securityfocus.com/bid/73953
http://www.debian.org/security/2015/dsa-3237
https://github.com/torvalds/linux/commit/223b02d923ecd7c84cf9780bb3686f455d279279
http://www.securitytracker.com/id/1032415
http://marc.info/?l=netfilter-devel&m=140112364215200&w=2
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://www.openwall.com/lists/oss-security/2015/04/08/1
https://people.canonical.com/~ubuntu-security/cve/CVE-2014-9715
https://access.redhat.com/security/cve/CVE-2014-9715
https://nvd.nist.gov/vuln/detail/CVE-2014-9715
https://security-tracker.debian.org/tracker/CVE-2014-9715
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.5
http://rhn.redhat.com/errata/RHSA-2015-1534.html
https://www.mend.io/vulnerability-database/CVE-2014-9715

Severity Score

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
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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