How severe is CVE-2011-2519?

CVE-2011-2519 has a CVSS 2.0 base score of 5.5, rated medium severity.

Is CVE-2011-2519 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2519?

CVE-2011-2519 primarily affects Redhat Enterprise Linux Desktop. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2519?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-2519 published?

CVE-2011-2519 was published on 2013-12-27 and last updated on 2026-06-16.

CVE-2011-2519

CVE-2011-2519 is a medium-severity vulnerability in Redhat Enterprise Linux Desktop with a CVSS 2.0 base score of 5.5. 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-476.

Key facts

Severity: Medium (CVSS 2.0 base score 5.5)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-476
Affected product: Redhat Enterprise Linux Desktop
Published: 2013-12-27
Last modified: 2026-06-16

Description

Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction.

Frequently asked questions

What is CVE-2011-2519?: Xen in the Linux kernel, when running a guest on a host without hardware assisted paging (HAP), allows guest users to cause a denial of service (invalid pointer dereference and hypervisor crash) via the SAHF instruction.
How severe is CVE-2011-2519?: CVE-2011-2519 has a CVSS 2.0 base score of 5.5, rated medium severity.
Is CVE-2011-2519 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2519?: CVE-2011-2519 primarily affects Redhat Enterprise Linux Desktop. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2519?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-2519 published?: CVE-2011-2519 was published on 2013-12-27 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*

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