CVE-2011-2203

kernel: hfs_find_init() sb->ext_tree NULL pointer dereference

Severity Score

5.5

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The hfs_find_init function in the Linux kernel 2.6 allows local users to cause a denial of service (NULL pointer dereference and Oops) by mounting an HFS file system with a malformed MDB extent record.

La función hfs_find_init en el kernel de Linux 2.6 permite a usuarios locales causar una denegación de servicio (referencia a puntero nulo y OOPS) mediante el montaje de un sistema de ficheros HFS con un registro de medidas MDB malformado.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

Attack Vector

Local

Attack Complexity

High

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-05-31 CVE Reserved
2012-01-27 CVE Published
2024-08-06 CVE Updated
2024-08-06 First Exploit
2024-12-17 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-264: Permissions, Privileges, and Access Controls
CWE-476: NULL Pointer Dereference

CAPEC

References (9)

URL	Tag	Source
http://secunia.com/advisories/47754	Third Party Advisory
http://www.openwall.com/lists/oss-security/2011/06/13/16	Mailing List
http://www.securityfocus.com/bid/48236	Vdb Entry

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=712774	2024-08-06
https://lkml.org/lkml/2011/6/8/154	2024-08-06

URL	Date	SRC

URL	Date	SRC
http://www.ubuntu.com/usn/USN-1324-1	2023-02-13
http://www.ubuntu.com/usn/USN-1328-1	2023-02-13
http://www.ubuntu.com/usn/USN-1344-1	2023-02-13
https://access.redhat.com/security/cve/CVE-2011-2203	2011-11-29

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6 Search vendor "Linux" for product "Linux Kernel" and version "2.6"		-		Affected