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CVE-2010-2784

The subpage MMIO initialization functionality in the subpage_register function in exec.c in QEMU...

6.6 Medium

The subpage MMIO initialization functionality in the subpage_register function in exec.c in QEMU-KVM, as used in the Hypervisor (aka rhev-hypervisor) in Red Hat Enterprise Virtualization (RHEV) 2.2 and KVM 83, does not properly select the index for access to the callback array, which allows guest OS users to cause a denial of service (guest OS crash) or possibly gain privileges via unspecified vectors.

Exploit likelihood

0.28%Down 0.7 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 6.6

The subpage MMIO initialization functionality in the subpage_register function in exec.c in QEMU-KVM, as used in the Hypervisor (aka rhev-hypervisor) in Red Hat Enterprise Virtualization (RHEV) 2.2 and KVM 83, does not properly select the index for access to the callback array, which allows guest OS users to cause a denial of service (guest OS crash) or possibly gain privileges via unspecified vectors.

Record
CVE-2010-2784
CVSS 2.0
6.6 MediumAV:L/AC:M/Au:S/C:C/I:C/A:C
Weakness
CWE-264
Updated
2026-11-02
CVE List No score

The subpage MMIO initialization functionality in the subpage_register function in exec.c in QEMU-KVM, as used in the Hypervisor (aka rhev-hypervisor) in Red Hat Enterprise Virtualization (RHEV) 2.2 and KVM 83, does not properly select the index for access to the callback array, which allows guest OS users to cause a denial of service (guest OS crash) or possibly gain privileges via unspecified vectors.

Record
CVE-2010-2784
Updated
2026-11-02
EUVDEUVD-2010-2788 No score

The subpage MMIO initialization functionality in the subpage_register function in exec.c in QEMU-KVM, as used in the Hypervisor (aka rhev-hypervisor) in Red Hat Enterprise Virtualization (RHEV) 2.2 and KVM 83, does not properly select the index for access to the callback array, which allows guest OS users to cause a denial of service (guest OS crash) or possibly gain privileges via unspecified vectors.

Record
EUVD-2010-2788
Updated
2026-11-03
GitHub AdvisoriesGHSA-46g8-g627-3wh5 No score

The subpage MMIO initialization functionality in the subpage_register function in exec.c in QEMU...

The subpage MMIO initialization functionality in the subpage_register function in exec.c in QEMU-KVM, as used in the Hypervisor (aka rhev-hypervisor) in Red Hat Enterprise Virtualization (RHEV) 2.2 and KVM 83, does not properly select the index for access to the callback array, which allows guest OS users to cause a denial of service (guest OS crash) or possibly gain privileges via unspecified vectors.

Record
GHSA-46g8-g627-3wh5
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
rhev-hypervisor
Red Hat:enterprise_linux:5::hypervisor
From an advisory covering 6 CVEs
 before 0:5.5-2.2.6.1.el5_5rhev2_2
0:5.5-2.2.6.1.el5_5rhev2_2
rhev-hypervisor-pxe
Red Hat:enterprise_linux:5::hypervisor
From an advisory covering 6 CVEs
 before 0:5.5-2.2.6.1.el5_5rhev2_2
0:5.5-2.2.6.1.el5_5rhev2_2
kmod-kvm
Red Hat:rhel_virtualization:5::client
From an advisory covering 3 CVEs
 before 0:83-164.el5_5.21
0:83-164.el5_5.21
kvm
Red Hat:rhel_virtualization:5::client
From an advisory covering 3 CVEs
 before 0:83-164.el5_5.21
0:83-164.el5_5.21
kvm-debuginfo
Red Hat:rhel_virtualization:5::client
From an advisory covering 3 CVEs
 before 0:83-164.el5_5.21
0:83-164.el5_5.21
kvm-qemu-img
Red Hat:rhel_virtualization:5::client
From an advisory covering 3 CVEs
 before 0:83-164.el5_5.21
0:83-164.el5_5.21
kvm-tools
Red Hat:rhel_virtualization:5::client
From an advisory covering 3 CVEs
 before 0:83-164.el5_5.21
0:83-164.el5_5.21
kmod-kvm
Red Hat:rhel_virtualization:5::server
From an advisory covering 3 CVEs
 before 0:83-164.el5_5.21
0:83-164.el5_5.21
kvm
Red Hat:rhel_virtualization:5::server
From an advisory covering 3 CVEs
 before 0:83-164.el5_5.21
0:83-164.el5_5.21
kvm-debuginfo
Red Hat:rhel_virtualization:5::server
From an advisory covering 3 CVEs
 before 0:83-164.el5_5.21
0:83-164.el5_5.21
kvm-qemu-img
Red Hat:rhel_virtualization:5::server
From an advisory covering 3 CVEs
 before 0:83-164.el5_5.21
0:83-164.el5_5.21
kvm-tools
Red Hat:rhel_virtualization:5::server
From an advisory covering 3 CVEs
 before 0:83-164.el5_5.21
0:83-164.el5_5.21

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2010-2784 is a medium vulnerability (CVSS 6.6) in Redhat Enterprise Virtualization, published August 24, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.28%, the 20th percentile. No source names a fixed version.

References

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