What’s Vulnerable › Vulnerabilities

CVE-2013-4587

• Severity: high (CVSS 7.2 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2013-12-14 · updated 2026-06-16
• Weakness: CWE-20

Description

Array index error in the kvm_vm_ioctl_create_vcpu function in virt/kvm/kvm_main.c in the KVM subsystem in the Linux kernel through 3.12.5 allows local users to gain privileges via a large id value.

Affected products

• Linux kernel: before 3.2.54; from 3.3 before 3.4.75; from 3.5 before 3.10.25; from 3.11 before 3.12.6 — fixed in 3.10.25, 3.12.6, 3.2.54, 3.4.75
• Opensuse: 11.4, 12.3, 13.1

How to fix

Upgrade to a fixed version: Linux kernel 3.10.25, 3.12.6, 3.2.54, 3.4.75. Check the vendor advisory for mitigations.

References

• http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=338c7dbadd2671189cec7faf64c84d01071b3f96
• http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00002.html
• http://lists.opensuse.org/opensuse-security-announce/2014-02/msg00003.html
• http://lists.opensuse.org/opensuse-updates/2014-02/msg00045.html
• http://www.openwall.com/lists/oss-security/2013/12/12/12
• http://www.ubuntu.com/usn/USN-2109-1
• http://www.ubuntu.com/usn/USN-2110-1
• http://www.ubuntu.com/usn/USN-2113-1
• http://www.ubuntu.com/usn/USN-2117-1
• http://www.ubuntu.com/usn/USN-2128-1
• http://www.ubuntu.com/usn/USN-2129-1
• http://www.ubuntu.com/usn/USN-2135-1

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