CVE-2015-5166
UnknownEPSS 0.43%
Last modified
CVE-2015-5166 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.43% chance of exploitation in the next 30 days.
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.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Fedoraproject | Fedora | 21 |
| Fedoraproject | Fedora | 22 |
| Xen | Xen | <= 4.5.0 |
| Xen | Xen | 4.5.1 |
References
- http://xenbits.xen.org/xsa/advisory-139.htmlPatch, Vendor Advisory
- http://xenbits.xen.org/xsa/advisory-139.htmlPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2015-5166?
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.
How severe is CVE-2015-5166?
Severity scoring for CVE-2015-5166 is pending analysis. The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.
How do I fix CVE-2015-5166?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2015-5166?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST