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Fencer Vulns
high 7.2

CVE-2007-1000 json

The ipv6_getsockopt_sticky function in net/ipv6/ipv6_sockglue.c in the Linux kernel before 2.6.20.2 allows local users to read arbitrary ke…

published 2007-03-12 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-0997

cvss
7.2
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
1
Exploit-DB

Summary

The ipv6_getsockopt_sticky function in net/ipv6/ipv6_sockglue.c in the Linux kernel before 2.6.20.2 allows local users to read arbitrary kernel memory via certain getsockopt calls that trigger a NULL dereference.

Patch / fix

  • kernel RHEL 5 2.6.18-8.1.3.el5
  • kernel-PAE RHEL 5 2.6.18-8.1.3.el5
  • kernel-xen RHEL 5 2.6.18-8.1.3.el5
  • kernel-kdump RHEL 5 2.6.18-8.1.3.el5
  • kernel-debuginfo-common RHEL 5 2.6.18-8.1.3.el5

red hat advisories RHSA-2007:0169

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-1000 updated

security flaw

  • Red Hat Enterprise Linux (v. 5 server) kernel 2.6.18-8.1.3.el5, kernel-PAE 2.6.18-8.1.3.el5, kernel-xen 2.6.18-8.1.3.el5, kernel-kdump 2.6.18-8.1.3.el5, kernel-debuginfo-common 2.6.18-8.1.3.el5 Red Hat Enterprise Linux Desktop (v. 5 client) kernel 2.6.18-8.1.3.el5, kernel-PAE 2.6.18-8.1.3.el5, kernel-xen 2.6.18-8.1.3.el5, kernel-kdump 2.6.18-8.1.3.el5, kernel-debuginfo-common 2.6.18-8.1.3.el5
    fixed: vendor fix RHSA-2007:0169

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. First public exploit (EDB-4172)

Exploit prediction

1.14% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-4172 Linux Kernel < 2.6.20.2 - 'IPv6_Getsockopt_Sticky' Memory Leak local, 2007-07-10
  • securityfocus.com http://www.securityfocus.com/bid/22904 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.2 AV:L/AC:L/Au:N/C:C/I:C/A:C

Classification

Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.