CVE-2003-0986 Memory corruption in n/a

What is CVE-2003-0986?

CVE-2003-0986 is a low-severity memory corruption vulnerability in Linux kernel, published on 27 Feb 2006. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Various routines for the ppc64 architecture on Linux kernel 2.6 prior to 2.6.2 and 2.4 prior to 2.4.24 do not use the copy_from_user function when copying data from userspace to kernelspace, which crosses security boundaries and allows local users to cause a denial of service.

Which versions are affected by CVE-2003-0986?

It affects 2 products.

Products include Linux kernel, Redhat Enterprise Linux.

How do I fix CVE-2003-0986?

Apply the vendor's patch.

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

Is CVE-2003-0986 being exploited?

There is no known exploitation of CVE-2003-0986 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-5pfr-4q63-hjgj.