CVE-2013-4553

CVE-2013-4553 is a medium-severity vulnerability in Xen with a CVSS 2.0 base score of 5.2. 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-119.

Key facts

Description

The XEN_DOMCTL_getmemlist hypercall in Xen 3.4.x through 4.3.x (possibly 4.3.1) does not always obtain the page_alloc_lock and mm_rwlock in the same order, which allows local guest administrators to cause a denial of service (host deadlock).

Frequently asked questions

What is CVE-2013-4553?
The XEN_DOMCTL_getmemlist hypercall in Xen 3.4.x through 4.3.x (possibly 4.3.1) does not always obtain the page_alloc_lock and mm_rwlock in the same order, which allows local guest administrators to cause a denial of service (host deadlock).
How severe is CVE-2013-4553?
CVE-2013-4553 has a CVSS 2.0 base score of 5.2, rated medium severity.
Is CVE-2013-4553 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-4553?
CVE-2013-4553 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-2013-4553?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-4553 published?
CVE-2013-4553 was published on 2013-12-24 and last updated on 2026-06-16.

References

Affected products (23)

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