What’s Vulnerable › Vulnerabilities

CVE-2014-2851

• Severity: medium (CVSS 6.9 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2014-04-14 · updated 2026-06-17
• Weakness: CWE-416

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.

Affected products

• Debian Linux: 7.0
• Linux kernel: from 3.0 before 3.2.60; from 3.3 before 3.4.92; from 3.5 before 3.10.41; from 3.11 before 3.12.19; from 3.13 before 3.14.5; 3.0-rc1 — fixed in 3.10.41, 3.12.19, 3.14.5, 3.2.60, 3.4.92

How to fix

Upgrade to a fixed version: Linux kernel 3.10.41, 3.12.19, 3.14.5, 3.2.60. Check the vendor advisory for mitigations.

References

• http://secunia.com/advisories/59386
• http://secunia.com/advisories/59599
• http://www.debian.org/security/2014/dsa-2926
• http://www.openwall.com/lists/oss-security/2014/04/11/4
• http://www.securityfocus.com/bid/66779
• http://www.securitytracker.com/id/1030769
• https://bugzilla.redhat.com/show_bug.cgi?id=1086730
• https://git.kernel.org/cgit/linux/kernel/git/davem/net.git/commit/?id=b04c46190219a4f845e46a459e3102137b7f6cac
• https://lkml.org/lkml/2014/4/10/736
• http://secunia.com/advisories/59386
• http://secunia.com/advisories/59599
• http://www.debian.org/security/2014/dsa-2926

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