CVE-2012-4508

CVE-2012-4508 is a low-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 1.9. 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

Description

Race condition in fs/ext4/extents.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from a deleted file by reading an extent that was not properly marked as uninitialized.

Frequently asked questions

What is CVE-2012-4508?
Race condition in fs/ext4/extents.c in the Linux kernel before 3.4.16 allows local users to obtain sensitive information from a deleted file by reading an extent that was not properly marked as uninitialized.
How severe is CVE-2012-4508?
CVE-2012-4508 has a CVSS 2.0 base score of 1.9, rated low severity.
Is CVE-2012-4508 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (20th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4508?
CVE-2012-4508 primarily affects Linux Linux Kernel. In total, 153 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4508?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-4508 published?
CVE-2012-4508 was published on 2012-12-21 and last updated on 2026-06-16.

References

Affected products (153)

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