CVE-2011-2183

Linux Kernel 2.6.x - KSM Local Denial of Service

Severity Score

6.7

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Race condition in the scan_get_next_rmap_item function in mm/ksm.c in the Linux kernel before 2.6.39.3, when Kernel SamePage Merging (KSM) is enabled, allows local users to cause a denial of service (NULL pointer dereference) or possibly have unspecified other impact via a crafted application.

Condición de carrera en la función scan_get_next_rmap_item de mm/ksm.c del kernel de Linux en versiones anteriores a la 2.6.39.3, si "Kernel SamePage Merging" (KSM) está habilitado, permite a usuarios locales provocar una denegación de servicio (Resolución de puntero NULL) o posiblemente tener otros impactos sin especificar a través de una aplicación modificada.

*Credits: N/A

CVSS Scores

Attack Vector

Local

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

High

Authentication

None

Confidentiality

None

Integrity

None

Availability

Complete

Attack Vector

Local

Attack Complexity

Medium

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
2011-06-02 First Exploit
2011-08-24 CVE Published
2023-03-08 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CAPEC

References (7)

URL	Tag	Source
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.39.3	X_refsource_confirm
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2b472611a32a72f4a118c069c2d62a1a3f087afd	X_refsource_confirm
http://www.openwall.com/lists/oss-security/2011/06/06/1	Mailing List

URL	Date	SRC
https://www.exploit-db.com/exploits/35820	2011-06-02

URL	Date	SRC
https://github.com/torvalds/linux/commit/2b472611a32a72f4a118c069c2d62a1a3f087afd	2023-02-13

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=710338	2011-09-12
https://access.redhat.com/security/cve/CVE-2011-2183	2011-09-12

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"				<= 2.6.39.2 Search vendor "Linux" for product "Linux Kernel" and version " <= 2.6.39.2"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6.39 Search vendor "Linux" for product "Linux Kernel" and version "2.6.39"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6.39 Search vendor "Linux" for product "Linux Kernel" and version "2.6.39"		rc1		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6.39 Search vendor "Linux" for product "Linux Kernel" and version "2.6.39"		rc2		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6.39 Search vendor "Linux" for product "Linux Kernel" and version "2.6.39"		rc3		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6.39 Search vendor "Linux" for product "Linux Kernel" and version "2.6.39"		rc4		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6.39 Search vendor "Linux" for product "Linux Kernel" and version "2.6.39"		rc5		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6.39 Search vendor "Linux" for product "Linux Kernel" and version "2.6.39"		rc6		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6.39 Search vendor "Linux" for product "Linux Kernel" and version "2.6.39"		rc7		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6.39.1 Search vendor "Linux" for product "Linux Kernel" and version "2.6.39.1"		-		Affected