What is CVE-2007-4567?

CVE-2007-4567 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10, classified as a Improper Input Validation flaw (CWE-20). CVE-2007-4567 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2007-4567?

CVE-2007-4567 has a CVSS score of 7.8 out of 10, rated High severity. The vector string is AV:N/AC:L/Au:N/C:N/I:N/A:C.

Is there a patch available for CVE-2007-4567?

No patch is currently available for CVE-2007-4567. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2007-4567 actively exploited?

CVE-2007-4567 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2007-4567

High

The ipv6_hop_jumbo function in net/ipv6/exthdrs.c in the Linux kernel before 2.6.22 does not properly validate the hop-by-hop IPv6 extended header, which allows remote attackers to cause a denial of service (NULL pointer dereference and kernel panic) via a crafted IPv6 packet.

Package Linux Kernel

Published 2007-12-21

Last modified 2026-04-23

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

7.8

out of 10

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

User Interaction

Scope

Confidentiality

Low

Integrity

None

Availability

Vector string

AV:N/AC:L/Au:N/C:N/I:N/A:C

Weakness type

CWE-20

CVE-2007-4567 is a Improper Input Validation vulnerability

What is Improper Input Validation?

The product receives input but does not validate it correctly, allowing attackers to craft inputs that cause unexpected behavior. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2007-4567 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel.org
http://bugzilla.kernel.org/show_bug.cgi?id=8450
Secunia
http://secunia.com/advisories/25505

Vendor Advisory
Secunia
http://secunia.com/advisories/28170

Vendor Advisory
Secunia
http://secunia.com/advisories/28706

Vendor Advisory
Secunia
http://secunia.com/advisories/38015

Vendor Advisory
Red Hat
http://www.redhat.com/support/errata/RHSA-2010-0019.html
Red Hat
http://www.redhat.com/support/errata/RHSA-2010-0053.html
Securityfocus
http://www.securityfocus.com/bid/26943
Ubuntu Security
http://www.ubuntu.com/usn/usn-574-1
Red Hat
https://bugzilla.redhat.com/show_bug.cgi?id=548641
Exchange
https://exchange.xforce.ibmcloud.com/vulnerabilities/39171
Oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11083
Oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7474
Red Hat
https://rhn.redhat.com/errata/RHSA-2010-0095.html
Ubuntu Security
https://usn.ubuntu.com/558-1/
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=e76b2b2567b83448c2ee85a896433b96150c92e6
Patch

Details

CVE ID CVE-2007-4567

Severity High

CVSS score 7.8 / 10

CVSS version 2.0

Published 2007-12-21

Modified 2026-04-23

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2007-4567?

CVE-2007-4567 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 , classified as an Improper Input Validation flaw (CWE-20) . CVE-2007-4567 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2007-4567?

CVE-2007-4567 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 2.0). The vector string is AV:N/AC:L/Au:N/C:N/I:N/A:C.
Is there a patch available for CVE-2007-4567?

No patch is currently available for CVE-2007-4567. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2007-4567 actively exploited?

No — CVE-2007-4567 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Improper Input Validation (CWE-20)?

The product receives input but does not validate it correctly, allowing attackers to craft inputs that cause unexpected behavior. View CWE-20 on MITRE CWE →