Description
Samba before versions 4.6.1, 4.5.7 and 4.4.11 are vulnerable to a malicious client using a symlink race to allow access to areas of the server file system not exported under the share definition.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Samba | samba | 4.6.1, 4.5.7, 4.4.11 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | samba | 2:4.5.6+dfsg-2 | — |
| Debian 13 | samba | 2:4.5.6+dfsg-2 | — |
| Debian 12 | samba | 2:4.5.6+dfsg-2 | — |
| Debian 8 | samba | 2:4.2.14+dfsg-0+deb8u4 | DSA-3816-1 |
| Debian 7 | samba | 2:3.6.6-6+deb7u12 | DLA-894-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | samba | 2:4.3.11+dfsg-0ubuntu0.16.04.5 | USN-3242-1 |
| Ubuntu 14.04 LTS | samba | 2:4.3.11+dfsg-0ubuntu0.14.04.6 | USN-3242-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | ctdb +25 | 4.4.4-13.el7_3 | RHSA-2017:1265 |
| RHEL 6 | samba +12 | 3.6.23-45.el6_9 | RHSA-2017:2789 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat Gluster Storage 3 | ctdb +25 | 4.6.3-4.el7rhgs | RHSA-2017:2778, RHSA-2017:2338 |
| Red Hat Gluster Storage 3 | libtdb +3 | 1.3.12-1.1.el6rhs | RHSA-2017:2778 |
| Red Hat Gluster Storage 3 | libtevent +2 | 0.9.31-1.el6rhs | RHSA-2017:2778 |
| Red Hat Gluster Storage 3 | pyldb +4 | 1.1.29-1.el6rhs | RHSA-2017:2778 |
| Red Hat Gluster Storage 3 | pytalloc +3 | 2.1.9-1.el6rhs | RHSA-2017:2778 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | samba | 4.2.4-28.8.2 | SUSE-SU-2017:0859-1, SUSE-SU-2017:0858-1, SUSE-RU-2017:1219-1 |
| SLES 12 SP1 | samba | 4.2.4-28.8.2 | SUSE-SU-2017:0859-1, SUSE-RU-2017:1218-1 |
| SLES 12 | samba | 4.2.4-18.35.1 | SUSE-SU-2017:0862-1, SUSE-RU-2017:1217-1 |
| SLES 11 SP4 | samba +1 | 3.6.3-87.1 | SUSE-SU-2017:1216-1, SUSE-SU-2017:0841-1 |
| SLES 11 SP3 | samba +1 | 3.6.3-90.1 | SUSE-SU-2017:1216-1 |
Show 6 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP2 | samba | 4.2.4-28.8.2 | SUSE-SU-2017:0859-1, SUSE-SU-2017:0858-1, SUSE-RU-2017:1219-1 |
| SLES for SAP 12 SP1 | samba | 4.2.4-28.8.2 | SUSE-SU-2017:0859-1, SUSE-RU-2017:1218-1 |
| SLES for SAP 12 | samba | 4.2.4-18.35.1 | SUSE-SU-2017:0862-1, SUSE-RU-2017:1217-1 |
| SLES for SAP 11 SP4 | samba +1 | 3.6.3-87.1 | SUSE-SU-2017:1216-1, SUSE-SU-2017:0841-1 |
| SUSE OpenStack Cloud 5 | samba +1 | 3.6.3-90.1 | SUSE-SU-2017:1216-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | samba +1 | 3.6.3-90.1 | SUSE-SU-2017:1216-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | samba | 4.14.6+git.182.2205d5224e3-1.1 | openSUSE-SU-2024:11365-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | samba | 4.6.1-r0 | — |
| Alpine v3.23 | samba | 4.6.1-r0 | — |
| Alpine v3.22 | samba | 4.6.1-r0 | — |
| Alpine v3.21 | samba | 4.6.1-r0 | — |
| Alpine v3.20 | samba | 4.6.1-r0 | — |
Show 18 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | samba | 4.6.1-r0 | — |
| Alpine v3.18 | samba | 4.6.1-r0 | — |
| Alpine v3.17 | samba | 4.6.1-r0 | — |
| Alpine v3.16 | samba | 4.6.1-r0 | — |
| Alpine v3.15 | samba | 4.6.1-r0 | — |
| Alpine v3.14 | samba | 4.6.1-r0 | — |
| Alpine v3.13 | samba | 4.6.1-r0 | — |
| Alpine v3.12 | samba | 4.6.1-r0 | — |
| Alpine v3.11 | samba | 4.6.1-r0 | — |
| Alpine v3.10 | samba | 4.6.1-r0 | — |
| Alpine v3.9 | samba | 4.6.1-r0 | — |
| Alpine v3.8 | samba | 4.6.1-r0 | — |
| Alpine v3.7 | samba | 4.6.1-r0 | — |
| Alpine v3.6 | samba | 4.6.1-r0 | — |
| Alpine v3.5 | samba | 4.5.7-r0 | — |
| Alpine v3.4 | samba | 4.4.5-r3 | — |
| Alpine v3.3 | samba | 4.2.14-r2 | — |
| Alpine v3.2 | samba | 4.2.14-r2 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | ctdb +25 | 4.4.4-13.el7_3 | ELSA-2017-1265 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
Exploit-DB 1
- Samba 4.5.2 - Symlink Race Permits Opening Files Outside Share Directory EDB-41740 · remote · Mar 27, 2017 · verified
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 17
- RHSA-2017:2789 Red Hat Security Advisory: samba security update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2017:1265 Red Hat Security Advisory: samba security and bug fix update Red Hat Security Advisories (RHSA) · Jul 1, 2026
- RHSA-2017:2778 Red Hat Security Advisory: samba security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- RHSA-2017:2338 Red Hat Security Advisory: samba security update Red Hat Security Advisories (RHSA) · Jun 27, 2026
- USN-3242-1 samba vulnerability Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-894-1 samba - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3816-1 samba - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:11365-1 ctdb-4.14.6+git.182.2205d5224e3-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-RU-2017:1219-1 Recommended update for samba SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0859-1 Security update for samba SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:1216-1 Security update for samba SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0858-1 Security update for samba SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-RU-2017:1217-1 Recommended update for samba SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0841-1 Security update for samba SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0862-1 Security update for samba SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-RU-2017:1218-1 Recommended update for samba SUSE / openSUSE Security Updates · May 2, 2025
- ELSA-2017-1265 Moderate: samba security and bug fix update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · May 22, 2017
References
- RHSA-2017:2778 vendor-advisory
- DSA-3816 vendor-advisory
- 97033 vdb-entry
- 41740 exploit
- 1038117 vdb-entry
- RHSA-2017:2338 vendor-advisory
- https://www.samba.org/samba/security/CVE-2017-2619.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1429472
- RHSA-2017:1265 vendor-advisory
- RHSA-2017:2789 vendor-advisory
- https://h20566.www2.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbns03755en_us