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Fencer Intel
medium 4.7

CVE-2011-3585 json

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 (mo…

published 2019-12-31 6 y ago modified 2026-06-16 4 mo ago also EUVD-2011-3547

cvss
4.7
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 24%
public exploits
0
none known

Summary

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.

Patch / fix

  • samba Debian 14, Debian 13, Debian 12 2:3.4.7~dfsg-2
  • cifs-utils Debian 14, Debian 13, Debian 12 2:4.5-1

debian advisories DEBIAN-CVE-2011-3585

  • samba RHEL 6 3.5.6-86.el6_1.4
  • cifs-utils RHEL 6 4.8.1-2.el6_1.2
  • samba-swat RHEL 6 3.5.6-86.el6_1.4
  • libsmbclient RHEL 6 3.5.6-86.el6_1.4
  • samba-client RHEL 6 3.5.6-86.el6_1.4
  • samba-common RHEL 6 3.5.6-86.el6_1.4
  • samba-winbind RHEL 6 3.5.6-86.el6_1.4
  • samba-domainjoin-gui RHEL 6 3.5.6-86.el6_1.4

red hat advisories RHSA-2011:1221RHSA-2011:1219

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-3585 updated cvss 2.1

Samba mtab lock file race condition

  • Red Hat Enterprise Linux (v. 5 server) samba 3.0.33-3.29.el5_7.4, samba-swat 3.0.33-3.29.el5_7.4, libsmbclient 3.0.33-3.29.el5_7.4, samba-client 3.0.33-3.29.el5_7.4, samba-common 3.0.33-3.29.el5_7.4 Red Hat Enterprise Linux AS version 4 samba 3.0.33-0.34.el4, samba-swat 3.0.33-0.34.el4, samba-client 3.0.33-0.34.el4, samba-common 3.0.33-0.34.el4 Red Hat Enterprise Linux Desktop (v. 5 client) samba 3.0.33-3.29.el5_7.4, samba-swat 3.0.33-3.29.el5_7.4, libsmbclient 3.0.33-3.29.el5_7.4, samba-client 3.0.33-3.29.el5_7.4, samba-common 3.0.33-3.29.el5_7.4 Red Hat Enterprise Linux Desktop version 4 samba 3.0.33-0.34.el4, samba-swat 3.0.33-0.34.el4, samba-client 3.0.33-0.34.el4, samba-common 3.0.33-0.34.el4 Red Hat Enterprise Linux ES version 4 samba 3.0.33-0.34.el4, samba-swat 3.0.33-0.34.el4, samba-client 3.0.33-0.34.el4, samba-common 3.0.33-0.34.el4
    fixed: vendor fix RHSA-2011:1219
  • Red Hat Enterprise Linux Server (v. 6) samba 3.5.6-86.el6_1.4, cifs-utils 4.8.1-2.el6_1.2, libsmbclient 3.5.6-86.el6_1.4, samba-client 3.5.6-86.el6_1.4, samba-common 3.5.6-86.el6_1.4, samba-winbind 3.5.6-86.el6_1.4, +1 more Red Hat Enterprise Linux Server Optional (v. 6) samba 3.5.6-86.el6_1.4, samba-swat 3.5.6-86.el6_1.4, samba-domainjoin-gui 3.5.6-86.el6_1.4, samba-winbind-krb5-locator 3.5.6-86.el6_1.4
    fixed: vendor fix RHSA-2011:1221
  • Red Hat Enterprise Linux WS version 4 samba 3.0.33-0.34.el4, samba-swat 3.0.33-0.34.el4, samba-client 3.0.33-0.34.el4, samba-common 3.0.33-0.34.el4 Red Hat RHEL Desktop Workstation (v. 5 client) samba 3.0.33-3.29.el5_7.4
    fixed: vendor fix RHSA-2011:1219
  • Red Hat Enterprise Linux 5 samba3x
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 4.7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 1.9 AV:L/AC:M/Au:N/C:N/I:N/A:P

Affected products

  • Samba Samba

Classification

Weakness
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.