CVE-2013-0309

CVE-2013-0309 is a medium-severity vulnerability in Redhat Enterprise Linux with a CVSS 2.0 base score of 4.7. 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-119.

Key facts

Description

arch/x86/include/asm/pgtable.h in the Linux kernel before 3.6.2, when transparent huge pages are used, does not properly support PROT_NONE memory regions, which allows local users to cause a denial of service (system crash) via a crafted application.

Frequently asked questions

What is CVE-2013-0309?
arch/x86/include/asm/pgtable.h in the Linux kernel before 3.6.2, when transparent huge pages are used, does not properly support PROT_NONE memory regions, which allows local users to cause a denial of service (system crash) via a crafted application.
How severe is CVE-2013-0309?
CVE-2013-0309 has a CVSS 2.0 base score of 4.7, rated medium severity.
Is CVE-2013-0309 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (29th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-0309?
CVE-2013-0309 primarily affects Redhat Enterprise Linux. In total, 172 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-0309?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-0309 published?
CVE-2013-0309 was published on 2013-02-22 and last updated on 2026-06-16.

References

Affected products (172)

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