CVE-2011-3638

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Summary

CVECVE-2011-3638
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2013-03-01 12:37:54 UTC
Updated2026-04-29 01:13:23 UTC
Descriptionfs/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.

Risk And Classification

Primary CVSS: v2.0 4 from [email protected]

AV:L/AC:H/Au:N/C:N/I:N/A:C

Problem Types: NVD-CWE-noinfo | n/a

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
High
Authentication
None
Confidentiality
None
Integrity
None
Availability
Complete

AV:L/AC:H/Au:N/C:N/I:N/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Bug 747942 – CVE-2011-3638 kernel: ext4: ext4_ext_insert_extent() kernel oops af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Third Party Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org
404 Not Found af854a3a-2127-422b-91ae-364da2661108 ftp.osuosl.org Broken Link
ext4: reimplement convert and split_unwritten · torvalds/linux@667eff3 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Patch, Third Party Advisory
oss-security - Re: CVE Request -- kernel: ext4: ext4_ext_insert_extent() kernel oops af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree MITRE git.kernel.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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