2.1
LOW
CVE-2011-2203
Linux Kernel HFS Denial of Service
Description

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.

INFO

Published Date :

Jan. 27, 2012, 3:55 p.m.

Last Modified :

Nov. 21, 2024, 1:27 a.m.

Source :

[email protected]

Remotely Exploitable :

No

Impact Score :

2.9

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2011-2203 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2011-2203.

URL Resource
http://secunia.com/advisories/47754
http://www.openwall.com/lists/oss-security/2011/06/13/16
http://www.securityfocus.com/bid/48236
http://www.ubuntu.com/usn/USN-1324-1
http://www.ubuntu.com/usn/USN-1328-1
http://www.ubuntu.com/usn/USN-1344-1
https://bugzilla.redhat.com/show_bug.cgi?id=712774 Exploit Patch
https://lkml.org/lkml/2011/6/8/154 Exploit
http://secunia.com/advisories/47754
http://www.openwall.com/lists/oss-security/2011/06/13/16
http://www.securityfocus.com/bid/48236
http://www.ubuntu.com/usn/USN-1324-1
http://www.ubuntu.com/usn/USN-1328-1
http://www.ubuntu.com/usn/USN-1344-1
https://bugzilla.redhat.com/show_bug.cgi?id=712774 Exploit Patch
https://lkml.org/lkml/2011/6/8/154 Exploit

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2011-2203 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2011-2203 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://secunia.com/advisories/47754
    Added Reference http://www.openwall.com/lists/oss-security/2011/06/13/16
    Added Reference http://www.securityfocus.com/bid/48236
    Added Reference http://www.ubuntu.com/usn/USN-1324-1
    Added Reference http://www.ubuntu.com/usn/USN-1328-1
    Added Reference http://www.ubuntu.com/usn/USN-1344-1
    Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=712774
    Added Reference https://lkml.org/lkml/2011/6/8/154
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Feb. 13, 2023

    Action Type Old Value New Value
    Changed Description CVE-2011-2203 kernel: hfs_find_init() sb->ext_tree NULL pointer dereference 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.
    Removed CVSS V2 Red Hat, Inc. (AV:L/AC:H/Au:N/C:N/I:N/A:C)
    Removed Reference https://access.redhat.com/errata/RHSA-2011:1479 [No Types Assigned]
    Removed Reference https://access.redhat.com/security/cve/CVE-2011-2203 [No Types Assigned]
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed Description 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. CVE-2011-2203 kernel: hfs_find_init() sb->ext_tree NULL pointer dereference
    Added CVSS V2 Red Hat, Inc. (AV:L/AC:H/Au:N/C:N/I:N/A:C)
    Added Reference https://access.redhat.com/security/cve/CVE-2011-2203 [No Types Assigned]
    Added Reference https://access.redhat.com/errata/RHSA-2011:1479 [No Types Assigned]
  • CVE Translated by [email protected]

    May. 25, 2015

    Action Type Old Value New Value
    Translation
    Added Translation 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.
  • Initial Analysis by [email protected]

    Jan. 30, 2012

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2011-2203 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2011-2203 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.05 }} 0.00%

score

0.19021

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability
: