CVE-2013-4368 Information disclosure in n/a

What is CVE-2013-4368?

CVE-2013-4368 is a low-severity vulnerability in Xen Xen, published on 17 Oct 2013. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

The outs instruction emulation in Xen 3.1.x, 4.2.x, 4.3.x, and earlier, when using FS: or GS: segment override, uses an uninitialized variable as a segment base, which allows local 64-bit PV guests to obtain sensitive information (hypervisor stack content) via unspecified vectors related to stale data in a segment register.

Weakness: CWE-200

Which versions are affected by CVE-2013-4368?

It affects 1 product.

Products include Xen Xen.

How do I fix CVE-2013-4368?

Apply the vendor's patch.

Is CVE-2013-4368 being exploited?

There is no known exploitation of CVE-2013-4368 in the wild and no public exploit code.

Other vulnerabilities in Xen Xen

• CVE-2017-10912 Privilege escalation in n/a Critical 10.0
• CVE-2017-10918 Memory corruption in n/a Critical 10.0
• CVE-2017-10920 Memory corruption in n/a Critical 10.0
• CVE-2017-10921 Memory corruption in n/a Critical 10.0
• CVE-2025-27466 Mutiple vulnerabilities in the Viridian interface Critical 9.8

All Xen Xen vulnerabilities

Sources

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

Also known as DEBIAN-CVE-2013-4368, GHSA-x5cw-86rm-555x.