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CVE-2011-3638

Date: March 1, 2013

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.

Language: C

Severity Score

Related Resources (9)

https://access.redhat.com/security/cve/CVE-2011-3638
https://bugzilla.redhat.com/show_bug.cgi?id=747942
https://people.canonical.com/~ubuntu-security/cve/CVE-2011-3638
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=667eff35a1f56fa74ce98a0c7c29a40adc1ba4e3
http://ftp.osuosl.org/pub/linux/kernel/v3.0/ChangeLog-3.0
https://github.com/torvalds/linux/commit/667eff35a1f56fa74ce98a0c7c29a40adc1ba4e3
http://www.openwall.com/lists/oss-security/2011/10/24/2
https://nvd.nist.gov/vuln/detail/CVE-2011-3638
https://www.mend.io/vulnerability-database/CVE-2011-3638

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): HIGH
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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