CVE-2011-3638

Name: CVE-2011-3638
Creator: NVD / NIST
Published: 2013-03-01T12:37:54.053+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.36%

Last modified Jun 16, 2026

CVE-2011-3638 is a vulnerability of currently unknown severity. fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in certain cases of extent splitting, which allows local users to cause a denial of service (system crash) via vectors involving ext4 umount and mount operations.. EPSS estimates a 0.36% chance of exploitation in the next 30 days.

Description

fs/ext4/extents.c in the Linux kernel before 3.0 does not mark a modified extent as dirty in certain cases of extent splitting, which allows local users to cause a denial of service (system crash) via vectors involving ext4 umount and mount operations.

Metrics

EPSS Probability

0.36%

27.4th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 3.0

References

http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0Broken Link
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=667eff35a1f56fa74ce98a0c7c29a40adc1ba4e3
http://www.openwall.com/lists/oss-security/2011/10/24/2Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=747942Issue Tracking, Third Party Advisory
https://github.com/torvalds/linux/commit/667eff35a1f56fa74ce98a0c7c29a40adc1ba4e3Patch, Third Party Advisory
http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0Broken Link
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=667eff35a1f56fa74ce98a0c7c29a40adc1ba4e3
http://www.openwall.com/lists/oss-security/2011/10/24/2Mailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=747942Issue Tracking, Third Party Advisory
https://github.com/torvalds/linux/commit/667eff35a1f56fa74ce98a0c7c29a40adc1ba4e3Patch, Third Party Advisory

Timeline

Published: Mar 1, 2013
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-3638?

How severe is CVE-2011-3638?

Severity scoring for CVE-2011-3638 is pending analysis. The EPSS model estimates a 0.36% probability of exploitation in the next 30 days.

How do I fix CVE-2011-3638?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-3638?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST