UBUNTU-CVE-2011-3638

Advisory lineage Upstream: 1 Downstream: 0
Upstream
CVE-2011-3638
Published: 28 Oct 2011, 00:00
Last modified:04 Feb 2026, 02:31

Vulnerability Summary

Overall Risk (default)
minimal
0/100
CVSS Score
No data
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

28 Oct 2011, 00:00
Published
Vulnerability first disclosed
04 Feb 2026, 02:31
Last Modified
Vulnerability information updated

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.

Affected Systems

  • ubuntu•linux

    < 3.11.0-12.19

  • ubuntu•linux-flo

    < 3.4.0-1.3

  • ubuntu•linux-goldfish

    < 3.4.0-1.9

  • ubuntu•linux-grouper

    < 3.1.10-8.28

  • ubuntu•linux-maguro

    < 3.0.0-3.18

  • ubuntu•linux-mako

    < 3.4.0-3.21

  • ubuntu•linux-manta

    < 3.4.0-4.19

References (5)