CVE-2012-0045
Status: ModifiedMedium (4.7)—Exploit
Severity4.7Medium · CVSS 2.0
Exploitation probability1.01 %higher than 63% of CVEs
Active exploitationNonot in the CISA catalog
Public exploitAvailablePublished on Exploit-DB
The em_syscall function in arch/x86/kvm/emulate.c in the KVM implementation in the Linux kernel before 3.2.14 does not properly handle the 0f05 (aka syscall) opcode, which allows guest OS users to cause a denial of service (guest OS crash) via a crafted application, as demonstrated by an NASM file.
CVSS
- Base score
- 4.7
- Version
- 2.0
- Vector
- AV:L/AC:M/Au:N/C:N/I:N/A:C
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days
- 1.01 %
- Percentile among all scored CVEs
- 63
- Score date
- 10/20/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Public exploits
Exploit code or detection templates are publicly available. This is not the same as confirmed active exploitation (KEV), but it raises the risk: patch with priority.
- Published on Exploit-DB · Linux Kernel 3.1.8 - KVM Local Denial of Service (12/29/2011)
Affected technologies (1)
CWEs
- NVD-CWE-Other
References
Show 12 references
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c2226fc9e87ba3da060e47333657cd6616652b84
- http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.14
- http://www.openwall.com/lists/oss-security/2012/01/12/2
- https://bugzilla.redhat.com/show_bug.cgi?id=773370
- https://github.com/torvalds/linux/commit/c2226fc9e87ba3da060e47333657cd6616652b84
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c2226fc9e87ba3da060e47333657cd6616652b84
- http://lists.opensuse.org/opensuse-security-announce/2012-05/msg00013.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.2.14
- http://www.openwall.com/lists/oss-security/2012/01/12/2
- https://bugzilla.redhat.com/show_bug.cgi?id=773370
- https://github.com/torvalds/linux/commit/c2226fc9e87ba3da060e47333657cd6616652b84
Raw JSON (NVD)
Show
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"accessComplexity": "MEDIUM",
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"lastModified": "2026-06-16T23:36:33.930",
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