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CVE-2011-3585

Published: 3 October 2011

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.

Priority

Medium

Cvss 3 Severity Score

4.7

Score breakdown

Status

Package Release Status
cifs-utils
Launchpad, Ubuntu, Debian
upstream Needs triage

dapper Does not exist

hardy Does not exist

karmic Does not exist

lucid Does not exist

maverick Not vulnerable

natty Not vulnerable

Patches:
upstream: http://git.samba.org/?p=cifs-utils.git;a=commitdiff;h=810f7e4e0f2dbcbee0294d9b371071cb08268200

samba
Launchpad, Ubuntu, Debian
upstream Needs triage

hardy
Released (3.0.28a-1ubuntu4.16)
lucid
Released (2:3.4.7~dfsg-1ubuntu3.8)
maverick Not vulnerable
(moved to cifs-utils)
natty Not vulnerable
(moved to cifs-utils)
Patches:

upstream: http://git.samba.org/?p=cifs-utils.git;a=commitdiff;h=810f7e4e0f2dbcbee0294d9b371071cb08268200

Severity score breakdown

Parameter Value
Base score 4.7
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