CVE-2010-0006 — The ipv6_hop_jumbo function in net/ipv6/exthdrs

The ipv6_hop_jumbo function in net/ipv6/exthdrs.c in the Linux kernel before 2.6.32.4, when network namespaces are enabled, allows remote attackers to cause a denial of service (NULL pointer dereference) via an invalid IPv6 jumbogram, a related issue to CVE-2007-4567.

01What is this vulnerability?

The ipv6_hop_jumbo function in net/ipv6/exthdrs.c in the Linux kernel before 2.6.32.4, when network namespaces are enabled, allows remote attackers to cause a denial of service (NULL pointer dereference) via an invalid IPv6 jumbogram, a related issue to CVE-2007-4567.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

08Timeline

• Published: 2010-01-26T18:00:00.000Z
• Last modified: 2024-08-07T00:30:47.191Z

09References

• www.securityfocus.com — http://www.securityfocus.com/bid/37810
• bugs.gentoo.org — http://bugs.gentoo.org/show_bug.cgi?id=300951
• www.kernel.org — http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.32.4
• www.osvdb.org — http://www.osvdb.org/61876
• security-tracker.debian.org — http://security-tracker.debian.org/tracker/CVE-2010-0006
• lists.fedoraproject.org — http://lists.fedoraproject.org/pipermail/package-announce/2010-January/034250.ht…
• secunia.com — http://secunia.com/advisories/38168
• bugzilla.redhat.com — https://bugzilla.redhat.com/show_bug.cgi?id=555217
• marc.info — http://marc.info/?l=linux-netdev&m=126343325807340&w=2
• cert.fi — http://cert.fi/en/reports/2010/vulnerability341748.html
• secunia.com — http://secunia.com/advisories/38333
• www.openwall.com — http://www.openwall.com/lists/oss-security/2010/01/14/2
• git.kernel.org — http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=…
• lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00002.html