CVE-2011-1677

util-linux: umount may fail to remove /etc/mtab~ lock file

Severity Score

9.8

*CVSS v3

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

mount in util-linux 2.19 and earlier does not remove the /etc/mtab~ lock file after a failed attempt to add a mount entry, which has unspecified impact and local attack vectors.

mount en util-linux v2.19 y anteriores no elimina el archivo lock /etc/mtab~ después de un intento fallido de añadir un punto de montaje, lo cual tiene un impacto no especificado y vectores de ataque locales.

Multiple vulnerabilities have been discovered and corrected in util-linux. mount in util-linux 2.19 and earlier attempts to append to the /etc/mtab.tmp file without first checking whether resource limits would interfere, which allows local users to trigger corruption of the /etc/mtab file via a process with a small RLIMIT_FSIZE value, a related issue to CVE-2011-1089. mount in util-linux 2.19 and earlier does not remove the /etc/mtab~ lock file after a failed attempt to add a mount entry, which has unspecified impact and local attack vectors. The updated packages have been patched to correct this issue.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Local

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

Attack Vector

Local

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2011-04-09 CVE Reserved
2011-04-10 CVE Published
2024-08-06 CVE Updated
2025-06-18 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CAPEC

References (22)

URL	Tag	Source
http://openwall.com/lists/oss-security/2011/03/04/10	Mailing List
http://openwall.com/lists/oss-security/2011/03/04/11	Mailing List
http://openwall.com/lists/oss-security/2011/03/04/12	Mailing List
http://openwall.com/lists/oss-security/2011/03/04/9	Mailing List
http://openwall.com/lists/oss-security/2011/03/05/3	Mailing List
http://openwall.com/lists/oss-security/2011/03/05/7	Mailing List
http://openwall.com/lists/oss-security/2011/03/07/9	Mailing List
http://openwall.com/lists/oss-security/2011/03/14/16	Mailing List
http://openwall.com/lists/oss-security/2011/03/14/5	Mailing List
http://openwall.com/lists/oss-security/2011/03/14/7	Mailing List
http://openwall.com/lists/oss-security/2011/03/15/6	Mailing List
http://openwall.com/lists/oss-security/2011/03/22/4	Mailing List
http://openwall.com/lists/oss-security/2011/03/22/6	Mailing List
http://openwall.com/lists/oss-security/2011/03/31/3	Mailing List
http://openwall.com/lists/oss-security/2011/03/31/4	Mailing List
http://openwall.com/lists/oss-security/2011/04/01/2	Mailing List
http://secunia.com/advisories/48114	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=688980	Issue Tracking
https://exchange.xforce.ibmcloud.com/vulnerabilities/66703	Vdb Entry

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
http://www.redhat.com/support/errata/RHSA-2011-1691.html	2018-01-10
https://access.redhat.com/security/cve/CVE-2011-1677	2012-02-21
https://bugzilla.redhat.com/show_bug.cgi?id=695924	2012-02-21

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Linux Search vendor "Linux"		Util-linux Search vendor "Linux" for product "Util-linux"				<= 2.19 Search vendor "Linux" for product "Util-linux" and version " <= 2.19"		-		Affected
Linux Search vendor "Linux"		Util-linux Search vendor "Linux" for product "Util-linux"				2.2 Search vendor "Linux" for product "Util-linux" and version "2.2"		-		Affected
Linux Search vendor "Linux"		Util-linux Search vendor "Linux" for product "Util-linux"				2.5 Search vendor "Linux" for product "Util-linux" and version "2.5"		-		Affected
Linux Search vendor "Linux"		Util-linux Search vendor "Linux" for product "Util-linux"				2.7 Search vendor "Linux" for product "Util-linux" and version "2.7"		-		Affected
Linux Search vendor "Linux"		Util-linux Search vendor "Linux" for product "Util-linux"				2.8 Search vendor "Linux" for product "Util-linux" and version "2.8"		-		Affected
Linux Search vendor "Linux"		Util-linux Search vendor "Linux" for product "Util-linux"				2.9 Search vendor "Linux" for product "Util-linux" and version "2.9"		-		Affected
Linux Search vendor "Linux"		Util-linux Search vendor "Linux" for product "Util-linux"				2.10 Search vendor "Linux" for product "Util-linux" and version "2.10"		-		Affected
Linux Search vendor "Linux"		Util-linux Search vendor "Linux" for product "Util-linux"				2.11 Search vendor "Linux" for product "Util-linux" and version "2.11"		-		Affected
Linux Search vendor "Linux"		Util-linux Search vendor "Linux" for product "Util-linux"				2.12 Search vendor "Linux" for product "Util-linux" and version "2.12"		-		Affected
Linux Search vendor "Linux"		Util-linux Search vendor "Linux" for product "Util-linux"				2.12 Search vendor "Linux" for product "Util-linux" and version "2.12"		pre		Affected
Linux Search vendor "Linux"		Util-linux Search vendor "Linux" for product "Util-linux"				2.13 Search vendor "Linux" for product "Util-linux" and version "2.13"		-		Affected
Linux Search vendor "Linux"		Util-linux Search vendor "Linux" for product "Util-linux"				2.13 Search vendor "Linux" for product "Util-linux" and version "2.13"		pre		Affected
Linux Search vendor "Linux"		Util-linux Search vendor "Linux" for product "Util-linux"				2.14 Search vendor "Linux" for product "Util-linux" and version "2.14"		-		Affected
Linux Search vendor "Linux"		Util-linux Search vendor "Linux" for product "Util-linux"				2.15 Search vendor "Linux" for product "Util-linux" and version "2.15"		-		Affected
Linux Search vendor "Linux"		Util-linux Search vendor "Linux" for product "Util-linux"				2.16 Search vendor "Linux" for product "Util-linux" and version "2.16"		-		Affected
Linux Search vendor "Linux"		Util-linux Search vendor "Linux" for product "Util-linux"				2.17 Search vendor "Linux" for product "Util-linux" and version "2.17"		-		Affected
Linux Search vendor "Linux"		Util-linux Search vendor "Linux" for product "Util-linux"				2.18 Search vendor "Linux" for product "Util-linux" and version "2.18"		-		Affected