CVE-2007-6434 Security feature bypass in n/a

What is CVE-2007-6434?

CVE-2007-6434 is a low-severity vulnerability in Linux kernel, published on 18 Dec 2007. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Linux kernel 2.6.23 allows local users to create low pages in virtual userspace memory and bypass mmap_min_addr protection via a crafted executable file that calls the do_brk function.

Weakness: CWE-264

Which versions are affected by CVE-2007-6434?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2007-6434?

No fix has been published for CVE-2007-6434 yet. Limit exposure of the affected software until one is available.

Is CVE-2007-6434 being exploited?

There is no known exploitation of CVE-2007-6434 in the wild and no public exploit code.

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-qf5f-8g8h-pc98.