How severe is CVE-2012-1179?

CVE-2012-1179 has a CVSS 2.0 base score of 5.2, rated medium severity.

Is CVE-2012-1179 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-1179?

CVE-2012-1179 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2012-1179?

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

When was CVE-2012-1179 published?

CVE-2012-1179 was published on 2012-05-17 and last updated on 2026-06-16.

CVE-2012-1179

CVE-2012-1179 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 5.2. 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 5.2)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Linux Linux Kernel
Published: 2012-05-17
Last modified: 2026-06-16

Description

The Linux kernel before 3.3.1, when KVM is used, allows guest OS users to cause a denial of service (host OS crash) by leveraging administrative access to the guest OS, related to the pmd_none_or_clear_bad function and page faults for huge pages.

Frequently asked questions

What is CVE-2012-1179?: The Linux kernel before 3.3.1, when KVM is used, allows guest OS users to cause a denial of service (host OS crash) by leveraging administrative access to the guest OS, related to the pmd_none_or_clear_bad function and page faults for huge pages.
How severe is CVE-2012-1179?: CVE-2012-1179 has a CVSS 2.0 base score of 5.2, rated medium severity.
Is CVE-2012-1179 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-1179?: CVE-2012-1179 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2012-1179?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-1179 published?: CVE-2012-1179 was published on 2012-05-17 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:linux:linux_kernel:*:rc7:*:*:*:*:*:*

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