CVE-2009-2691

kernel: /proc/$pid/maps visible during initial setuid ELF loading

Severity Score

4.7

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

The mm_for_maps function in fs/proc/base.c in the Linux kernel 2.6.30.4 and earlier allows local users to read (1) maps and (2) smaps files under proc/ via vectors related to ELF loading, a setuid process, and a race condition.

La función mm_for_maps en fs/proc/base.c en el kernel Linux v2.6.30.4 y anteriores permiten a usuarios locales leer (1) mapas y (2) ficheros smaps bajo proc/ a través de vectores relativos a la carga ELF, un proceso setuid, y condición de carrera.

*Credits: N/A

Attack Vector

Local

Attack Complexity

High

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2009-08-05 CVE Reserved
2009-08-14 CVE Published
2023-03-08 EPSS Updated
2024-08-07 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

CAPEC

References (18)

URL	Tag	Source
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=00f89d218523b9bf6b522349c039d5ac80aa536d	X_refsource_confirm
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=13f0feafa6b8aead57a2a328e2fca6a5828bf286	X_refsource_confirm
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=704b836cbf19e885f8366bccb2e4b0474346c02d	X_refsource_confirm
http://lkml.org/lkml/2009/6/23/652	Mailing List
http://secunia.com/advisories/36501	Third Party Advisory
http://www.openwall.com/lists/oss-security/2009/08/11/1	Mailing List
http://www.securityfocus.com/bid/36019	Vdb Entry
https://exchange.xforce.ibmcloud.com/vulnerabilities/52401	Vdb Entry

URL	Date	SRC

URL	Date	SRC
http://lkml.org/lkml/2009/6/23/653	2023-11-07
http://marc.info/?l=linux-kernel&m=124718946021193	2023-11-07
http://marc.info/?l=linux-kernel&m=124718949821250	2023-11-07

URL	Date	SRC
http://secunia.com/advisories/36265	2023-11-07
http://www.debian.org/security/2010/dsa-2005	2023-11-07
http://www.vupen.com/english/advisories/2009/2246	2023-11-07
https://bugzilla.redhat.com/show_bug.cgi?id=516171	2009-11-03
https://rhn.redhat.com/errata/RHSA-2009-1540.html	2023-11-07
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg01256.html	2023-11-07
https://access.redhat.com/security/cve/CVE-2009-2691	2009-11-03

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"				<= 2.6.30.4 Search vendor "Linux" for product "Linux Kernel" and version " <= 2.6.30.4"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6.30 Search vendor "Linux" for product "Linux Kernel" and version "2.6.30"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6.30 Search vendor "Linux" for product "Linux Kernel" and version "2.6.30"		rc1		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6.30 Search vendor "Linux" for product "Linux Kernel" and version "2.6.30"		rc2		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6.30 Search vendor "Linux" for product "Linux Kernel" and version "2.6.30"		rc3		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6.30 Search vendor "Linux" for product "Linux Kernel" and version "2.6.30"		rc5		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6.30 Search vendor "Linux" for product "Linux Kernel" and version "2.6.30"		rc6		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6.30 Search vendor "Linux" for product "Linux Kernel" and version "2.6.30"		rc7-git6		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6.30.1 Search vendor "Linux" for product "Linux Kernel" and version "2.6.30.1"		-		Affected
Linux Search vendor "Linux"		Linux Kernel Search vendor "Linux" for product "Linux Kernel"				2.6.30.2 Search vendor "Linux" for product "Linux Kernel" and version "2.6.30.2"		-		Affected