How severe is CVE-2010-3699?

CVE-2010-3699 has a CVSS 2.0 base score of 2.7, rated low severity.

Is CVE-2010-3699 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-3699?

CVE-2010-3699 primarily affects Citrix Xen. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-3699?

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

When was CVE-2010-3699 published?

CVE-2010-3699 was published on 2010-12-08 and last updated on 2026-06-16.

CVE-2010-3699

CVE-2010-3699 is a low-severity vulnerability in Citrix Xen with a CVSS 2.0 base score of 2.7. 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-399.

Key facts

Severity: Low (CVSS 2.0 base score 2.7)
EPSS exploit prediction: 1% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Citrix Xen
Published: 2010-12-08
Last modified: 2026-06-16

Description

The backend driver in Xen 3.x allows guest OS users to cause a denial of service via a kernel thread leak, which prevents the device and guest OS from being shut down or create a zombie domain, causes a hang in zenwatch, or prevents unspecified xm commands from working properly, related to (1) netback, (2) blkback, or (3) blktap.

Frequently asked questions

What is CVE-2010-3699?: The backend driver in Xen 3.x allows guest OS users to cause a denial of service via a kernel thread leak, which prevents the device and guest OS from being shut down or create a zombie domain, causes a hang in zenwatch, or prevents unspecified xm commands from working properly, related to (1) netback, (2) blkback, or (3) blktap.
How severe is CVE-2010-3699?: CVE-2010-3699 has a CVSS 2.0 base score of 2.7, rated low severity.
Is CVE-2010-3699 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-3699?: CVE-2010-3699 primarily affects Citrix Xen. In total, 16 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2010-3699?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-3699 published?: CVE-2010-3699 was published on 2010-12-08 and last updated on 2026-06-16.

References

Affected products (16)

cpe:2.3:a:citrix:xen:3.0.2:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xen:3.0.3:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xen:3.0.4:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xen:3.1.3:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xen:3.1.4:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xen:3.2.0:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xen:3.2.1:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xen:3.2.2:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xen:3.2.3:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xen:3.3.0:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xen:3.3.1:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xen:3.3.2:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xen:3.4.0:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xen:3.4.1:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xen:3.4.2:*:*:*:*:*:*:*
cpe:2.3:a:citrix:xen:3.4.3:*:*:*:*:*:*:*

More vulnerabilities in Citrix Xen

CVE-2011-1898 — High (CVSS 7.4): Xen 4.1 before 4.1.1 and 4.0 before 4.0.2, when using PCI passthrough on Intel VT-d chipsets that do not have interrupt…
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CVE-2008-4405 — High (CVSS 7.2): xend in Xen 3.0.3 does not properly limit the contents of the /local/domain xenstore directory tree, and does not…
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CVE-2010-4255 — Medium (CVSS 6.1): The fixup_page_fault function in arch/x86/traps.c in Xen 4.0.1 and earlier on 64-bit platforms, when paravirtualization…
CVE-2010-4238 — Medium (CVSS 5.5): The vbd_create function in Xen 3.1.2, when the Linux kernel 2.6.18 on Red Hat Enterprise Linux (RHEL) 5 is used, allows…

All CVEs affecting Citrix Xen →

Other CWE-399 (Resource Management Errors) vulnerabilities

CVE-2015-8104 — Critical (CVSS 10.0): The KVM subsystem in the Linux kernel through 4.2.6, and Xen 4.3.x through 4.6.x, allows guest OS users to cause a…
CVE-2015-0339 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0335 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2015-0333 — Critical (CVSS 10.0): Adobe Flash Player before 13.0.0.277 and 14.x through 17.x before 17.0.0.134 on Windows and OS X and before…
CVE-2014-4121 — Critical (CVSS 10.0): Microsoft .NET Framework 2.0 SP2, 3.5, 3.5.1, 4, 4.5, 4.5.1, and 4.5.2 does not properly parse internationalized…
CVE-2014-0560 — Critical (CVSS 10.0): Use-after-free vulnerability in Adobe Reader and Acrobat 10.x before 10.1.12 and 11.x before 11.0.09 on Windows and OS…

Browse all CWE-399 (Resource Management Errors) vulnerabilities →