CVE-2007-1734 Information disclosure in n/a

What is CVE-2007-1734?

CVE-2007-1734 is a high-severity vulnerability in Linux kernel, published on 28 Mar 2007. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The DCCP support in the do_dccp_getsockopt function in net/dccp/proto.c in Linux kernel 2.6.20 and later does not verify the upper bounds of the optlen value, which allows local users running on certain architectures to read kernel memory or cause a denial of service (oops), a related issue to CVE-2007-1730.

Which versions are affected by CVE-2007-1734?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2007-1734?

No fix has been published for CVE-2007-1734 yet. Limit exposure of the affected software until one is available.

Is CVE-2007-1734 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-1734 exists.

Public exploit code: 2 Exploit-DB entries.

Other vulnerabilities in Linux kernel

• CVE-2026-53266 Linux Kernel Out-of-Bounds Write Exploited High 8.8
• CVE-2013-6282 Linux Kernel Improper Input Validation Exploited High 8.8
• CVE-2022-0185 Linux Kernel Heap-Based Buffer Overflow Exploited High 8.4
• CVE-2013-2094 Linux Kernel Privilege Escalation Exploited High 8.4
• CVE-2026-53362 Linux Kernel Unspecified Exploited High 7.8

All Linux kernel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-92h4-4w9c-9q5w.