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medium 6.5

CVE-2015-7560 json

The SMB1 implementation in smbd in Samba 3.x and 4.x before 4.1.23, 4.2.x before 4.2.9, 4.3.x before 4.3.6, and 4.4.x before 4.4.0rc4 allow…

published 10y ago modified 4mo ago also EUVD-2015-7472

cvss
6.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
12.9%
EPSS 12.9% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

The SMB1 implementation in smbd in Samba 3.x and 4.x before 4.1.23, 4.2.x before 4.2.9, 4.3.x before 4.3.6, and 4.4.x before 4.4.0rc4 allows remote authenticated users to modify arbitrary ACLs by using a UNIX SMB1 call to create a symlink, and then using a non-UNIX SMB1 call to write to the ACL content.

Patch / fix

  • samba samba 4.1.23, 4.2.9, 4.3.6
  • samba Debian 14, Debian 13, Debian 12 2:4.3.6+dfsg-1

debian advisories DEBIAN-CVE-2015-7560

  • samba Ubuntu 14.04 LTS 2:4.1.6+dfsg-1ubuntu2.14.04.13
  • samba Ubuntu 16.04 LTS 2:4.3.6+dfsg-1ubuntu1

ubuntu advisories UBUNTU-CVE-2015-7560

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • samba storage 3.1 4.2.4-15.el6rhs
  • samba storage 3.1 4.2.4-15.el7rhgs
  • ctdb storage 3.1 4.2.4-15.el6rhs
  • ctdb storage 3.1 4.2.4-15.el7rhgs
  • samba-dc storage 3.1 4.2.4-15.el6rhs
  • samba-dc storage 3.1 4.2.4-15.el7rhgs
  • ctdb-tests storage 3.1 4.2.4-15.el6rhs
  • ctdb-tests storage 3.1 4.2.4-15.el7rhgs

red hat advisories RHSA-2016:0447RHSA-2016:0449RHSA-2016:0448

  • samba SLES for SAP 11 SP4, SLES 11 SP4, SLED 11 SP4 +1 more 3.6.3-67.2
  • samba SLES for SAP 12, SLES 12, SLED 12 +1 more 4.1.12-18.8.1
  • samba SLES for SAP 12 SP1, SLES 12 SP1, SLED 12 SP1 +1 more 4.2.4-11.1
  • samba SLES 11 SP2-LTSS 3.6.3-48.2

suse advisories SUSE-SU-2016:0905-1SUSE-SU-2016:0837-1SUSE-SU-2016:0814-1SUSE-SU-2016:0816-1

  • samba openSUSE Tumbleweed 4.5.0-1.1

opensuse advisories openSUSE-SU-2024:10069-1

Is CVE-2015-7560 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

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-2015-7560 updated cvss 3.5

samba: Incorrect ACL get/set allowed on symlink path

  • Red Hat Enterprise Linux 5 samba3x
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) samba 4.2.3-12.el7_2, samba-libs 4.2.3-12.el7_2, libwbclient 4.2.3-12.el7_2, libsmbclient 4.2.3-12.el7_2, samba-client 4.2.3-12.el7_2, samba-common 4.2.3-12.el7_2, +6 more Red Hat Enterprise Linux Client Optional (v. 7) samba 4.2.3-12.el7_2, samba-dc 4.2.3-12.el7_2, samba-pidl 4.2.3-12.el7_2, samba-test 4.2.3-12.el7_2, samba-python 4.2.3-12.el7_2, samba-dc-libs 4.2.3-12.el7_2, +3 more Red Hat Enterprise Linux ComputeNode (v. 7) samba 4.2.3-12.el7_2, samba-libs 4.2.3-12.el7_2, libwbclient 4.2.3-12.el7_2, libsmbclient 4.2.3-12.el7_2, samba-client 4.2.3-12.el7_2, samba-common 4.2.3-12.el7_2, +6 more Red Hat Enterprise Linux ComputeNode Optional (v. 7) samba 4.2.3-12.el7_2, samba-dc 4.2.3-12.el7_2, samba-pidl 4.2.3-12.el7_2, samba-test 4.2.3-12.el7_2, samba-python 4.2.3-12.el7_2, samba-dc-libs 4.2.3-12.el7_2, +3 more Red Hat Enterprise Linux Desktop (v. 6) samba 3.6.23-25.el6_7, samba4 4.0.0-68.el6_7.rc4, libsmbclient 3.6.23-25.el6_7, samba-client 3.6.23-25.el6_7, samba-common 3.6.23-25.el6_7, samba4-dc 4.0.0-68.el6_7.rc4, +13 more Red Hat Enterprise Linux Desktop Optional (v. 6) samba 3.6.23-25.el6_7, samba-swat 3.6.23-25.el6_7, samba-glusterfs 3.6.23-25.el6_7, samba-domainjoin-gui 3.6.23-25.el6_7, samba-winbind-krb5-locator 3.6.23-25.el6_7
    +11 more products
    Red Hat Enterprise Linux HPC Node (v. 6) samba 3.6.23-25.el6_7, samba4 4.0.0-68.el6_7.rc4, samba-client 3.6.23-25.el6_7, samba-common 3.6.23-25.el6_7, samba4-dc 4.0.0-68.el6_7.rc4, samba-winbind 3.6.23-25.el6_7, +12 more Red Hat Enterprise Linux HPC Node Optional (v. 6) samba 3.6.23-25.el6_7, samba-swat 3.6.23-25.el6_7, libsmbclient 3.6.23-25.el6_7, samba-glusterfs 3.6.23-25.el6_7, samba-domainjoin-gui 3.6.23-25.el6_7, samba-winbind-krb5-locator 3.6.23-25.el6_7 Red Hat Enterprise Linux Server (v. 6) samba 3.6.23-25.el6_7, samba4 4.0.0-68.el6_7.rc4, libsmbclient 3.6.23-25.el6_7, samba-client 3.6.23-25.el6_7, samba-common 3.6.23-25.el6_7, samba4-dc 4.0.0-68.el6_7.rc4, +13 more Red Hat Enterprise Linux Server (v. 7) samba 4.2.3-12.el7_2, samba-libs 4.2.3-12.el7_2, libwbclient 4.2.3-12.el7_2, libsmbclient 4.2.3-12.el7_2, samba-client 4.2.3-12.el7_2, samba-common 4.2.3-12.el7_2, +7 more Red Hat Enterprise Linux Server Optional (v. 6) samba-swat 3.6.23-25.el6_7, samba-glusterfs 3.6.23-25.el6_7, samba-domainjoin-gui 3.6.23-25.el6_7, samba-winbind-krb5-locator 3.6.23-25.el6_7 Red Hat Enterprise Linux Server Optional (v. 7) samba-dc 4.2.3-12.el7_2, samba-pidl 4.2.3-12.el7_2, samba-test 4.2.3-12.el7_2, samba-python 4.2.3-12.el7_2, samba-dc-libs 4.2.3-12.el7_2, samba-test-libs 4.2.3-12.el7_2, +2 more Red Hat Enterprise Linux Server Resilient Storage (v. 7) ctdb 4.2.3-12.el7_2, ctdb-tests 4.2.3-12.el7_2 Red Hat Enterprise Linux Workstation (v. 6) samba 3.6.23-25.el6_7, samba4 4.0.0-68.el6_7.rc4, libsmbclient 3.6.23-25.el6_7, samba-client 3.6.23-25.el6_7, samba-common 3.6.23-25.el6_7, samba4-dc 4.0.0-68.el6_7.rc4, +13 more Red Hat Enterprise Linux Workstation (v. 7) samba 4.2.3-12.el7_2, samba-libs 4.2.3-12.el7_2, libwbclient 4.2.3-12.el7_2, libsmbclient 4.2.3-12.el7_2, samba-client 4.2.3-12.el7_2, samba-common 4.2.3-12.el7_2, +7 more Red Hat Enterprise Linux Workstation Optional (v. 6) samba-swat 3.6.23-25.el6_7, samba-glusterfs 3.6.23-25.el6_7, samba-domainjoin-gui 3.6.23-25.el6_7, samba-winbind-krb5-locator 3.6.23-25.el6_7 Red Hat Enterprise Linux Workstation Optional (v. 7) samba-dc 4.2.3-12.el7_2, samba-pidl 4.2.3-12.el7_2, samba-test 4.2.3-12.el7_2, samba-dc-libs 4.2.3-12.el7_2, samba-test-libs 4.2.3-12.el7_2, samba-vfs-glusterfs 4.2.3-12.el7_2, +1 more
    fixed: vendor fix RHSA-2016:0448
  • Red Hat Gluster 3 Samba on RHEL-6 ctdb 4.2.4-15.el6rhs, samba 4.2.4-15.el6rhs, samba-dc 4.2.4-15.el6rhs, ctdb-tests 4.2.4-15.el6rhs, samba-libs 4.2.4-15.el6rhs, samba-pidl 4.2.4-15.el6rhs, +16 more Red Hat Gluster 3 Samba on RHEL-7 ctdb 4.2.4-15.el7rhgs, samba 4.2.4-15.el7rhgs, samba-dc 4.2.4-15.el7rhgs, ctdb-tests 4.2.4-15.el7rhgs, samba-libs 4.2.4-15.el7rhgs, samba-pidl 4.2.4-15.el7rhgs, +16 more
    fixed: vendor fix RHSA-2016:0447
  • Red Hat Enterprise Linux 5 samba
    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

12.94% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:P/A:N

Classification

Weakness

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.