CVE-2015-5166 Use after free in n/a

What is CVE-2015-5166?

CVE-2015-5166 is a high-severity use after free vulnerability in Fedoraproject Fedora, published on 12 Aug 2015. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

Use-after-free vulnerability in QEMU in Xen 4.5.x and earlier does not completely unplug emulated block devices, which allows local HVM guest users to gain privileges by unplugging a block device twice.

Weakness: CWE-264

Which versions are affected by CVE-2015-5166?

It affects 2 products.

Products include Fedoraproject Fedora, Xen Xen.

How do I fix CVE-2015-5166?

Apply the vendor's patch.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2015-5166 being exploited?

There is no known exploitation of CVE-2015-5166 in the wild and no public exploit code.

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• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2015-5166, GHSA-gpg2-4ppg-g82w.