CVE-2011-3585

Publication date 3 October 2011

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Multiple race conditions in the (1) mount.cifs and (2) umount.cifs programs in Samba 3.6 allow local users to cause a denial of service (mounting outage) via a SIGKILL signal during a time window when the /etc/mtab~ file exists.

Status

Show unmaintained releases

Package	Ubuntu Release	Status
cifs-utils	11.04 natty	Not affected
	10.10 maverick	Not affected
	10.04 LTS lucid	Not in release
	9.10 karmic	Not in release
	8.04 LTS hardy	Not in release
	6.06 LTS dapper	Not in release
samba	11.04 natty	Not affected
	10.10 maverick	Not affected
	10.04 LTS lucid	Fixed 2:3.4.7~dfsg-1ubuntu3.8
	8.04 LTS hardy	Fixed 3.0.28a-1ubuntu4.16

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
cifs-utils	Upstream: http://git.samba.org/?p=cifs-utils.git;a=commitdiff;h=810f7e4e0f2dbcbee0294d9b371071cb08268200
samba	Upstream: http://git.samba.org/?p=cifs-utils.git;a=commitdiff;h=810f7e4e0f2dbcbee0294d9b371071cb08268200

Severity score breakdown

Parameter	Value
Base score	4.7 · Medium
Attack vector	Local
Attack complexity	High
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2011-3585

Cvss 3 Severity Score

Description

Status

Patch details

Severity score breakdown

References

Related Ubuntu Security Notices (USN)

Other references