How severe is CVE-2012-2373?

CVE-2012-2373 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2012-2373 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-2373?

CVE-2012-2373 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-2012-2373?

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

When was CVE-2012-2373 published?

CVE-2012-2373 was published on 2012-08-09 and last updated on 2026-06-16.

CVE-2012-2373

CVE-2012-2373 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 4.0. 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-362.

Key facts

Severity: Medium (CVSS 2.0 base score 4.0)
EPSS exploit prediction: 0% (17th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-362
Affected product: Linux Linux Kernel
Published: 2012-08-09
Last modified: 2026-06-16

Description

The Linux kernel before 3.4.5 on the x86 platform, when Physical Address Extension (PAE) is enabled, does not properly use the Page Middle Directory (PMD), which allows local users to cause a denial of service (panic) via a crafted application that triggers a race condition.

Frequently asked questions

What is CVE-2012-2373?: The Linux kernel before 3.4.5 on the x86 platform, when Physical Address Extension (PAE) is enabled, does not properly use the Page Middle Directory (PMD), which allows local users to cause a denial of service (panic) via a crafted application that triggers a race condition.
How severe is CVE-2012-2373?: CVE-2012-2373 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2012-2373 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (17th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-2373?: CVE-2012-2373 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-2012-2373?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-2373 published?: CVE-2012-2373 was published on 2012-08-09 and last updated on 2026-06-16.

References

Affected products (12)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:x86:*
cpe:2.3:o:linux:linux_kernel:3.4:*:*:*:*:*:x86:*
cpe:2.3:o:linux:linux_kernel:3.4:rc1:*:*:*:*:x86:*
cpe:2.3:o:linux:linux_kernel:3.4:rc2:*:*:*:*:x86:*
cpe:2.3:o:linux:linux_kernel:3.4:rc3:*:*:*:*:x86:*
cpe:2.3:o:linux:linux_kernel:3.4:rc4:*:*:*:*:x86:*
cpe:2.3:o:linux:linux_kernel:3.4:rc5:*:*:*:*:x86:*
cpe:2.3:o:linux:linux_kernel:3.4:rc6:*:*:*:*:x86:*
cpe:2.3:o:linux:linux_kernel:3.4:rc7:*:*:*:*:x86:*
cpe:2.3:o:linux:linux_kernel:3.4.1:*:*:*:*:*:x86:*
cpe:2.3:o:linux:linux_kernel:3.4.2:*:*:*:*:*:x86:*
cpe:2.3:o:linux:linux_kernel:3.4.3:*:*:*:*:*:x86:*

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