How severe is CVE-2009-2910?

CVE-2009-2910 has a CVSS 2.0 base score of 2.1, rated low severity.

Is CVE-2009-2910 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-2910?

CVE-2009-2910 primarily affects Redhat Virtualization. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-2910?

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

When was CVE-2009-2910 published?

CVE-2009-2910 was published on 2009-10-20 and last updated on 2026-06-16.

CVE-2009-2910

CVE-2009-2910 is a low-severity vulnerability in Redhat Virtualization with a CVSS 2.0 base score of 2.1. 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-200.

Key facts

Severity: Low (CVSS 2.0 base score 2.1)
EPSS exploit prediction: 0% (33rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Redhat Virtualization
Published: 2009-10-20
Last modified: 2026-06-16

Description

arch/x86/ia32/ia32entry.S in the Linux kernel before 2.6.31.4 on the x86_64 platform does not clear certain kernel registers before a return to user mode, which allows local users to read register values from an earlier process by switching an ia32 process to 64-bit mode.

Frequently asked questions

What is CVE-2009-2910?: arch/x86/ia32/ia32entry.S in the Linux kernel before 2.6.31.4 on the x86_64 platform does not clear certain kernel registers before a return to user mode, which allows local users to read register values from an earlier process by switching an ia32 process to 64-bit mode.
How severe is CVE-2009-2910?: CVE-2009-2910 has a CVSS 2.0 base score of 2.1, rated low severity.
Is CVE-2009-2910 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (33rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-2910?: CVE-2009-2910 primarily affects Redhat Virtualization. In total, 18 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-2910?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-2910 published?: CVE-2009-2910 was published on 2009-10-20 and last updated on 2026-06-16.

References

Affected products (18)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:a:suse:linux_enterprise_debuginfo:10:sp2:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:11.0:*:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_desktop:10:sp2:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:9:*:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_server:10:sp2:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp2:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:*
cpe:2.3:a:redhat:virtualization:5:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_eus:5.4:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:10:*:*:*:*:*:*:*

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