CVE-2014-2851

Linux Kernel < 3.14.1 - Use-After-Free in ping_init_sock

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2014-2851. PoCs published by Thomas Pollet.

AI-analyzed exploit summary This PoC exploits a refcounter overflow in Linux's group_info structure (CVE-2014-2851) by creating a large number of sockets to trigger a memory corruption leading to a DoS. The code is straightforward and matches the vulnerability description.

Description

Integer overflow in the ping_init_sock function in net/ipv4/ping.c in the Linux kernel through 3.14.1 allows local users to cause a denial of service (use-after-free and system crash) or possibly gain privileges via a crafted application that leverages an improperly managed reference counter.

Exploits (1)

exploitdb WORKING POC
by Thomas Pollet · cdoslinux
https://www.exploit-db.com/exploits/32926

This PoC exploits a refcounter overflow in Linux's group_info structure (CVE-2014-2851) by creating a large number of sockets to trigger a memory corruption leading to a DoS. The code is straightforward and matches the vulnerability description.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: Linux Kernel (versions affected by CVE-2014-2851)
No auth needed
Prerequisites: Linux system vulnerable to CVE-2014-2851
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (9)

Core 9
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1086730
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id/1030769
Broken Link third-party-advisory x_refsource_secunia
http://secunia.com/advisories/59386
Mailing List, Patch, Vendor Advisory mailing-list x_refsource_mlist
https://lkml.org/lkml/2014/4/10/736
Broken Link third-party-advisory x_refsource_secunia
http://secunia.com/advisories/59599
Third Party Advisory vendor-advisory x_refsource_debian
http://www.debian.org/security/2014/dsa-2926
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/66779
Mailing List, Patch, Third Party Advisory mailing-list x_refsource_mlist
http://www.openwall.com/lists/oss-security/2014/04/11/4

Scores

EPSS 0.0030
EPSS Percentile 53.8%

Details

CWE
CWE-416
Status published
Products (3)
debian/debian_linux 7.0
linux/linux_kernel 3.0 rc1
linux/linux_kernel 3.0 - 3.2.60
Published Apr 14, 2014
Tracked Since Feb 18, 2026