Description
Kerberos acceptors need easy access to stable AD identifiers (eg objectSid). Samba as an AD DC now provides a way for Linux applications to obtain a reliable SID (and samAccountName) in issued tickets.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | samba | Affected - All versions since Samba 4.0.0, Fixed-In - v4.15.2, v4.14.10 and v4.13.14 | — |
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 | 2:4.13.14+dfsg-1 | — |
| Debian 13 | samba | 2:4.13.14+dfsg-1 | — |
| Debian 12 | samba | 2:4.13.14+dfsg-1 | — |
| Debian 11 | samba | 2:4.13.13+dfsg-1~deb11u2 | DSA-5003-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | samba | 2:4.13.14+dfsg-0ubuntu1 | — |
| Ubuntu 20.04 LTS | samba | 2:4.13.14+dfsg-0ubuntu0.20.04.1 | USN-5142-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | samba | No fix yet | — |
| Ubuntu Pro 16.04 LTS | samba | No fix yet | — |
| Ubuntu Pro 14.04 LTS | samba | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP3 | ldb | 2.2.2-3.3.1 | SUSE-SU-2021:3647-1 |
| SLES 15 SP3 | samba | 4.13.13+git.528.140935f8d6a-3.12.1 | SUSE-SU-2021:3647-1 |
| SLES 12 SP5 | apparmor | 2.8.2-56.6.3 | SUSE-SU-2022:0323-1 |
| SLES 12 SP5 | ca-certificates | 1_201403302107-15.3.3 | SUSE-SU-2022:0323-1 |
| SLES 12 SP5 | gnutls | 3.4.17-8.4.1 | SUSE-SU-2022:0323-1 |
| SLES 12 SP5 | libnettle | 3.1-21.3.2 | SUSE-SU-2022:0323-1 |
| SLES 12 SP5 | p11-kit | 0.23.2-8.3.2 | SUSE-SU-2022:0323-1 |
| SLES 12 SP5 | samba | 4.15.4+git.324.8332acf1a63-3.54.1 | SUSE-SU-2022:0323-1 |
| SLES 12 SP5 | sssd | 1.16.1-7.28.9 | SUSE-SU-2022:0323-1 |
| SLES 12 SP5 | yast2-samba-client | 3.1.23-3.3.1 | SUSE-SU-2022:0323-1 |
| SLES 2 | samba | 4.13.13+git.528.140935f8d6a-3.12.1 | SUSE-SU-2021:3647-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | apparmor | 2.8.2-56.6.3 | SUSE-SU-2022:0323-1 |
| SLES for SAP 12 SP5 | ca-certificates | 1_201403302107-15.3.3 | SUSE-SU-2022:0323-1 |
| SLES for SAP 12 SP5 | gnutls | 3.4.17-8.4.1 | SUSE-SU-2022:0323-1 |
| SLES for SAP 12 SP5 | libnettle | 3.1-21.3.2 | SUSE-SU-2022:0323-1 |
| SLES for SAP 12 SP5 | p11-kit | 0.23.2-8.3.2 | SUSE-SU-2022:0323-1 |
| SLES for SAP 12 SP5 | samba | 4.15.4+git.324.8332acf1a63-3.54.1 | SUSE-SU-2022:0323-1 |
| SLES for SAP 12 SP5 | sssd | 1.16.1-7.28.9 | SUSE-SU-2022:0323-1 |
| SLES for SAP 12 SP5 | yast2-samba-client | 3.1.23-3.3.1 | SUSE-SU-2022:0323-1 |
| SLE Micro 5.1 | ldb | 2.2.2-3.3.1 | SUSE-SU-2021:3647-1 |
| SUSE Enterprise Storage 7 | ldb | 2.2.2-4.6.1 | SUSE-SU-2022:0361-1 |
| SUSE Enterprise Storage 7 | samba | 4.13.13+git.545.5897c2d94f3-3.12.1 | SUSE-SU-2022:0361-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | samba | 4.15.2+git.193.a4d6307f1fd-1.1 | openSUSE-SU-2024:11631-1 |
| openSUSE Leap 15.3 | ldb | 2.2.2-3.3.1 | openSUSE-SU-2021:3647-1 |
| openSUSE Leap 15.3 | samba | 4.13.13+git.528.140935f8d6a-3.12.1 | openSUSE-SU-2021:3647-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | samba | 4.15.2-r0 | — |
| Alpine v3.23 | samba | 4.15.2-r0 | — |
| Alpine v3.22 | samba | 4.15.2-r0 | — |
| Alpine v3.21 | samba | 4.15.2-r0 | — |
| Alpine v3.20 | samba | 4.15.2-r0 | — |
Show 7 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | samba | 4.15.2-r0 | — |
| Alpine v3.18 | samba | 4.15.2-r0 | — |
| Alpine v3.17 | samba | 4.15.2-r0 | — |
| Alpine v3.16 | samba | 4.15.2-r0 | — |
| Alpine v3.15 | samba | 4.15.2-r0 | — |
| Alpine v3.14 | samba | 4.14.12-r0 | — |
| Alpine v3.13 | samba | 4.13.17-r0 | — |
Advisories 10
- WID-SEC-2022-0432 Xerox FreeFlow Print Server: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 11, 2026
- WID-SEC-2022-0302 Xerox FreeFlow Print Server: Mehrere Schwachstellen ermöglichen Ausführen von beliebigem Programmcode mit Administratorrechten BSI CERT-Bund (WID) · Oct 11, 2026
- USN-5142-1 samba vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-5003-1 samba - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2022:0323-1 Security update for samba SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:11631-1 ctdb-4.15.2+git.193.a4d6307f1fd-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:3647-1 Security update for samba and ldb SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:0361-1 Security update for ldb, samba SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:3647-1 Security update for samba and ldb SUSE / openSUSE Security Updates · May 7, 2025
- WID-SEC-2022-2279 Samba: Mehrere Schwachstellen BSI CERT-Bund (WID) · Nov 21, 2023