Is CVE-2014-0049 being actively exploited?

CVE-2014-0049 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2014-0049?

CVE-2014-0049 has a CVSS 2.0 base score of 7.4 (HIGH).

CVE-2014-0049

HIGH · CVSS 7.4EPSS 0.8%EU EUVD

Buffer overflow in the complete_emulated_mmio function in arch/x86/kvm/x86.c in the Linux kernel before 3.13.6 allows guest OS users to execute arbitrary code on the host OS by leveraging a loop that triggers an invalid memory copy affecting certain cancel_work_item data.

Key facts

CVSS score: 7.4 (v2.0)
Severity: HIGH
CVSS vector: AV:A/AC:M/Au:S/C:C/I:C/A:C
Weakness (CWE): CWE-120
EPSS score: 0.8% (56th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2014-0145)
Published: March 11, 2014
NVD last modified: June 17, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2014-0145 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

linux / linux kernel

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a08d3b3b99efd509133946056531cdf8f3a0c09b
http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.13.6(Release Notes, Vendor Advisory)
http://www.openwall.com/lists/oss-security/2014/03/03/1(Mailing List, Patch, Third Party Advisory)
https://bugzilla.redhat.com/show_bug.cgi?id=1062368(Issue Tracking, Patch, Third Party Advisory)
https://github.com/torvalds/linux/commit/a08d3b3b99efd509133946056531cdf8f3a0c09b(Patch, Third Party Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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