CVE-2014-8867 Denial of service in n/a

What is CVE-2014-8867?

CVE-2014-8867 is a medium-severity denial of service vulnerability in Debian Debian Linux, published on 1 Dec 2014. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The acceleration support for the "REP MOVS" instruction in Xen 4.4.x, 3.2.x, and earlier lacks properly bounds checking for memory mapped I/O (MMIO) emulated in the hypervisor, which allows local HVM guests to cause a denial of service (host crash) via unspecified vectors.

Weakness: CWE-17

Which versions are affected by CVE-2014-8867?

It affects 5 products.

Products include Debian Debian Linux, Opensuse Opensuse, Redhat Enterprise Linux, Redhat Enterprise Linux Desktop, Xen Xen.

How do I fix CVE-2014-8867?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2014-8867 being exploited?

There is no known exploitation of CVE-2014-8867 in the wild and no public exploit code.

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All Debian Debian Linux vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2014-8867, GHSA-jj57-646v-244j, UBUNTU-CVE-2014-8867.