CVE-2015-2666 Memory corruption in n/a

What is CVE-2015-2666?

CVE-2015-2666 is a medium-severity memory corruption vulnerability in Fedoraproject Fedora, published on 27 May 2015. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Stack-based buffer overflow in the get_matching_model_microcode function in arch/x86/kernel/cpu/microcode/intel_early.c in the Linux kernel before 4.0 allows context-dependent attackers to gain privileges by constructing a crafted microcode header and leveraging root privileges for write access to the initrd.

Weakness: CWE-119

Which versions are affected by CVE-2015-2666?

It affects 2 products.

Products include Fedoraproject Fedora, Linux kernel.

How do I fix CVE-2015-2666?

Upgrade to a fixed version.

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

Is CVE-2015-2666 being exploited?

There is no known exploitation of CVE-2015-2666 in the wild and no public exploit code.

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All Fedoraproject Fedora vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2015-2666, GHSA-rwf8-4gv4-8fmw, UBUNTU-CVE-2015-2666.