How severe is CVE-2013-5634?

CVE-2013-5634 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2013-5634 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-5634?

CVE-2013-5634 primarily affects Linux Linux Kernel. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-5634?

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

When was CVE-2013-5634 published?

CVE-2013-5634 was published on 2013-09-25 and last updated on 2026-06-16.

CVE-2013-5634

CVE-2013-5634 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 4.3. 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: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-399
Affected product: Linux Linux Kernel
Published: 2013-09-25
Last modified: 2026-06-16

Description

arch/arm/kvm/arm.c in the Linux kernel before 3.10 on the ARM platform, when KVM is used, allows host OS users to cause a denial of service (NULL pointer dereference, OOPS, and host OS crash) or possibly have unspecified other impact by omitting vCPU initialization before a KVM_GET_REG_LIST ioctl call.

Frequently asked questions

What is CVE-2013-5634?: arch/arm/kvm/arm.c in the Linux kernel before 3.10 on the ARM platform, when KVM is used, allows host OS users to cause a denial of service (NULL pointer dereference, OOPS, and host OS crash) or possibly have unspecified other impact by omitting vCPU initialization before a KVM_GET_REG_LIST ioctl call.
How severe is CVE-2013-5634?: CVE-2013-5634 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-5634 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-5634?: CVE-2013-5634 primarily affects Linux Linux Kernel. In total, 12 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-5634?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-5634 published?: CVE-2013-5634 was published on 2013-09-25 and last updated on 2026-06-16.

References

Affected products (12)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:arm64:*
cpe:2.3:o:linux:linux_kernel:3.9.0:*:*:*:*:*:arm64:*
cpe:2.3:o:linux:linux_kernel:3.9.1:*:*:*:*:*:arm64:*
cpe:2.3:o:linux:linux_kernel:3.9.2:*:*:*:*:*:arm64:*
cpe:2.3:o:linux:linux_kernel:3.9.3:*:*:*:*:*:arm64:*
cpe:2.3:o:linux:linux_kernel:3.9.4:*:*:*:*:*:arm64:*
cpe:2.3:o:linux:linux_kernel:3.9.5:*:*:*:*:*:arm64:*
cpe:2.3:o:linux:linux_kernel:3.9.6:*:*:*:*:*:arm64:*
cpe:2.3:o:linux:linux_kernel:3.9.7:*:*:*:*:*:arm64:*
cpe:2.3:o:linux:linux_kernel:3.9.8:*:*:*:*:*:arm64:*
cpe:2.3:o:linux:linux_kernel:3.9.9:*:*:*:*:*:arm64:*
cpe:2.3:o:linux:linux_kernel:3.9.10:*:*:*:*:*:arm64:*

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