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.
Published 2013-03-01 12:37:54
Updated 2023-02-13 04:32:41
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Threat overview for CVE-2011-3638

Top countries where our scanners detected CVE-2011-3638
Top open port discovered on systems with this issue 49152
IPs affected by CVE-2011-3638 67
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2011-3638!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2011-3638

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-3638

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
4.0
MEDIUM AV:L/AC:H/Au:N/C:N/I:N/A:C
1.9
6.9
NIST

References for CVE-2011-3638

Products affected by CVE-2011-3638

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