CVE-2015-7311

CVE-2015-7311 is a low-severity vulnerability in Xen with a CVSS 2.0 base score of 3.6. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-17.

Key facts

Description

libxl in Xen 4.1.x through 4.6.x does not properly handle the readonly flag on disks when using the qemu-xen device model, which allows local guest users to write to a read-only disk image.

Frequently asked questions

What is CVE-2015-7311?
libxl in Xen 4.1.x through 4.6.x does not properly handle the readonly flag on disks when using the qemu-xen device model, which allows local guest users to write to a read-only disk image.
How severe is CVE-2015-7311?
CVE-2015-7311 has a CVSS 2.0 base score of 3.6, rated low severity.
Is CVE-2015-7311 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (34th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-7311?
CVE-2015-7311 primarily affects Xen. In total, 23 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-7311?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-7311 published?
CVE-2015-7311 was published on 2015-10-01 and last updated on 2026-06-17.

References

Affected products (23)

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