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CVE-2011-2928

Good to know:

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Date: August 29, 2011

The befs_follow_link function in fs/befs/linuxvfs.c in the Linux kernel before 3.1-rc3 does not validate the length attribute of long symlinks, which allows local users to cause a denial of service (incorrect pointer dereference and OOPS) by accessing a long symlink on a malformed Be filesystem.

Language: C

Severity Score

Related Resources (5)

http://www.pre-cert.de/advisories/PRE-SA-2011-06.txt
http://securityreason.com/securityalert/8360
http://www.securityfocus.com/archive/1/519387/100/0/threaded
https://nvd.nist.gov/vuln/detail/CVE-2011-2928
https://www.mend.io/vulnerability-database/CVE-2011-2928

Severity Score

Weakness Type (CWE)

Input Validation

CWE-20

NULL Pointer Dereference

CWE-476

Top Fix

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CVSS v3.1

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

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