CVE-2007-6762 Memory corruption in n/a

What is CVE-2007-6762?

CVE-2007-6762 is a critical memory corruption vulnerability in Linux kernel, published on 27 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In the Linux kernel before 2.6.20, there is an off-by-one bug in net/netlabel/netlabel_cipso_v4.c where it is possible to overflow the doi_def->tags[] array.

Weakness: CWE-119

Which versions are affected by CVE-2007-6762?

It affects 1 product.

Products include Linux kernel.

How do I fix CVE-2007-6762?

No fix has been published for CVE-2007-6762 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2007-6762 being exploited?

There is no known exploitation of CVE-2007-6762 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-4v8x-qr64-whf2, UBUNTU-CVE-2007-6762.