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…

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.

Scores

EPSS (exploitation in 30 days)

0.37% · top 69% of all CVEs (5 Nov 2026)

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.

Weakness

• n/a

Affected products

• n/a

  • affected n/a

References (7)

• ADV-2006-0220 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
• 16414 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
• 388 (opens in a new tab)third-party-advisoryx_refsource_SREASONx_transferred
• 2006-0004 (opens in a new tab)vendor-advisoryx_refsource_TRUSTIXx_transferred
• kernel-pptpnathelper-dos(24204) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
• 18482 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
• http://kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=03b9feca89366952ae5dfe4ad8107b1ece50b710 (opens in a new tab)x_refsource_CONFIRMx_transferred

Sources

The same CVE in the primary databases and aggregators, to check against.

• CVE.org record (opens in a new tab)
• CVE List JSON (GitHub) (opens in a new tab)
• NVD (opens in a new tab)
• FIRST EPSS (opens in a new tab)
• OSV.dev (opens in a new tab)
• GitHub Advisories (opens in a new tab)
• CIRCL Vulnerability-Lookup (opens in a new tab)

Badge for a README or a ticket

[![CVE-2006-0037](https://trackcve.app/badge/CVE-2006-0037.svg)](https://trackcve.app/cve/CVE-2006-0037)

Record last updated 7 Aug 2024, 16:18 UTC.