Unrated severityNVD Advisory· Published May 27, 2015· Updated Jun 17, 2026
CVE-2014-9715
CVE-2014-9715
Description
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.
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Affected products
2Patches
Vulnerability mechanics
References
12- git.kernel.orgnvd
- marc.infonvd
- rhn.redhat.com/errata/RHSA-2015-1534.htmlnvd
- rhn.redhat.com/errata/RHSA-2015-1564.htmlnvd
- www.debian.org/security/2015/dsa-3237nvd
- www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.14.5nvd
- www.openwall.com/lists/oss-security/2015/04/08/1nvd
- www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.htmlnvd
- www.securityfocus.com/bid/73953nvd
- www.securitytracker.com/id/1032415nvd
- bugzilla.redhat.com/show_bug.cginvd
- github.com/torvalds/linux/commit/223b02d923ecd7c84cf9780bb3686f455d279279nvd
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