CVE-2006-0037

Severity: medium (CVSS 4.9 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2006-01-23 · updated 2026-06-16

Description

ip_nat_pptp in the PPTP NAT helper (netfilter/ip_nat_helper_pptp.c) in Linux kernel 2.6.14, and other versions, allows local users to cause a denial of service (memory corruption or crash) via a crafted outbound packet that causes an incorrect offset to be calculated from pointer arithmetic when non-linear SKBs (socket buffers) are used.

Affected products

Linux kernel: 2.6.14

References

http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=03b9feca89366952ae5dfe4ad8107b1ece50b710
http://secunia.com/advisories/18482
http://securityreason.com/securityalert/388
http://www.securityfocus.com/bid/16414
http://www.trustix.org/errata/2006/0004
http://www.vupen.com/english/advisories/2006/0220
https://exchange.xforce.ibmcloud.com/vulnerabilities/24204
http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=03b9feca89366952ae5dfe4ad8107b1ece50b710
http://secunia.com/advisories/18482
http://securityreason.com/securityalert/388
http://www.securityfocus.com/bid/16414
http://www.trustix.org/errata/2006/0004

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