CVE-2007-1388

CVE-2007-1388 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 4.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-399.

Key facts

• Severity: Medium (CVSS 2.0 base score 4.4)
• EPSS exploit prediction: 1% (42nd percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-399
• Affected product: Linux Linux Kernel
• Published: 2007-03-10
• Last modified: 2026-06-16

Description

The do_ipv6_setsockopt function in net/ipv6/ipv6_sockglue.c in Linux kernel before 2.6.20, and possibly other versions, allows local users to cause a denial of service (oops) by calling setsockopt with the IPV6_RTHDR option name and possibly a zero option length or invalid option value, which triggers a NULL pointer dereference.

Frequently asked questions

What is CVE-2007-1388?

The do_ipv6_setsockopt function in net/ipv6/ipv6_sockglue.c in Linux kernel before 2.6.20, and possibly other versions, allows local users to cause a denial of service (oops) by calling setsockopt with the IPV6_RTHDR option name and possibly a zero option length or invalid option value, which triggers a NULL pointer dereference.

How severe is CVE-2007-1388?

CVE-2007-1388 has a CVSS 2.0 base score of 4.4, rated medium severity.

Is CVE-2007-1388 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-1388?

CVE-2007-1388 primarily affects Linux Linux Kernel. In total, 141 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2007-1388?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-1388 published?

CVE-2007-1388 was published on 2007-03-10 and last updated on 2026-06-16.

References

• http://bugzilla.kernel.org/show_bug.cgi?id=8155
• http://lists.suse.com/archive/suse-security-announce/2007-May/0001.html
• http://secunia.com/advisories/24777
• http://secunia.com/advisories/24901
• http://secunia.com/advisories/25080
• http://secunia.com/advisories/25099
• http://secunia.com/advisories/25392
• http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20.4
• http://www.mandriva.com/security/advisories?name=MDKSA-2007:078
• http://www.redhat.com/support/errata/RHSA-2007-0169.html
• http://www.securityfocus.com/bid/23142
• http://www.ubuntu.com/usn/usn-464-1
• http://www.vupen.com/english/advisories/2007/1122
• https://issues.rpath.com/browse/RPL-1154
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11509

Affected products (141)

• cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.10:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.11:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.11.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.11.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.11.3:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.11.4:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.11.5:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.11.6:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.11.7:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.11.8:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.11.9:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.11.10:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.11.11:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.11.12:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.12:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.12.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.12.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.12.3:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.12.4:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.12.5:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.12.6:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.13:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.13.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.13.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.13.3:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.13.4:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.13.5:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.14:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.14.1:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.14.2:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.14.3:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.14.4:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.14.5:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.14.6:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.14.7:*:*:*:*:*:*:*
• cpe:2.3:o:linux:linux_kernel:2.6.15:*:*:*:*:*:*:*

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