Description
cifs-utils through 6.14, with verbose logging, can cause an information leak when a file contains = (equal sign) characters but is not a valid credentials file.
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 | cifs-utils | 2:6.14-1.1 | — |
| Debian 13 | cifs-utils | 2:6.14-1.1 | — |
| Debian 12 | cifs-utils | 2:6.14-1.1 | — |
| Debian 11 | cifs-utils | 2:6.11-3.1+deb11u1 | DSA-5157-1 |
| Debian 10 | cifs-utils | 2:6.8-2+deb10u1 | DSA-5157-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 9 | cifs-utils | 2:6.7-1+deb9u1 | DLA-3009-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | cifs-utils | 2:6.14-1ubuntu0.1 | USN-5459-1 |
| Ubuntu 20.04 LTS | cifs-utils | 2:6.9-1ubuntu0.2 | USN-5459-1 |
| Ubuntu 18.04 LTS | cifs-utils | 2:6.8-1ubuntu1.2 | USN-5459-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | cifs-utils | 2:6.4-1ubuntu1.1+esm1 | USN-7688-1 |
| Ubuntu Pro 14.04 LTS | cifs-utils | 2:6.0-1ubuntu2+esm1 | USN-7688-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP4 | cifs-utils | 6.15-150400.3.9.1 | SUSE-SU-2022:3525-1 |
| SLES 15 SP3 | cifs-utils | 6.9-150100.5.18.1 | SUSE-SU-2022:2801-1 |
| SLES 12 SP5 | cifs-utils | 6.9-13.23.1 | SUSE-SU-2022:2802-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP5 | cifs-utils | 6.9-13.23.1 | SUSE-SU-2022:2802-1 |
| SLE Micro 5.3 | cifs-utils | 6.15-150400.3.9.1 | SUSE-SU-2022:3525-1 |
| SLE Micro 5.2 | cifs-utils | 6.9-150100.5.18.1 | SUSE-SU-2022:2801-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 15.4 | cifs-utils | 6.15-150400.3.9.1 | SUSE-SU-2022:3525-1 |
| openSUSE Leap 15.3 | cifs-utils | 6.9-150100.5.18.1 | SUSE-SU-2022:2801-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap Micro 5.2 | cifs-utils | 6.9-150100.5.18.1 | openSUSE-SU-2022:2801-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | cifs-utils | 6.15-r0 | — |
| Alpine v3.23 | cifs-utils | 6.15-r0 | — |
| Alpine v3.22 | cifs-utils | 6.15-r0 | — |
| Alpine v3.21 | cifs-utils | 6.15-r0 | — |
| Alpine v3.20 | cifs-utils | 6.15-r0 | — |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | cifs-utils | 6.15-r0 | — |
| Alpine v3.18 | cifs-utils | 6.15-r0 | — |
| Alpine v3.17 | cifs-utils | 6.15-r0 | — |
| Alpine v3.16 | cifs-utils | 6.15-r0 | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | cifs-utils +3 | 6.15-1.amzn2023.0.2 | ALAS2023-2024-530 |
| Amazon Linux 2 | cifs-utils +1 | 6.2-10.amzn2.0.4 | ALAS2-2023-1977 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | cifs-utils | 6.14-2 | — |
Advisories 10
- USN-7688-1 cifs-utils vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- DSA-5157-1 cifs-utils - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-3009-1 cifs-utils - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-5459-1 cifs-utils vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2022:2801-1 Security update for cifs-utils SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2022:2801-1 Security update for cifs-utils SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2022:2802-1 Security update for cifs-utils SUSE / openSUSE Security Updates · Feb 4, 2026
- ALAS2-2023-1977 Low: cifs-utils security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Sep 23, 2025
- SUSE-SU-2022:3525-1 Security update for cifs-utils SUSE / openSUSE Security Updates · May 2, 2025
- ALAS2023-2024-530 Important: cifs-utils security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Feb 19, 2024
References
- https://github.com/piastry/cifs-utils/pull/7
- https://github.com/piastry/cifs-utils/commit/8acc963a2e7e9d63fe1f2e7f73f5a03f83d9c379
- FEDORA-2022-eb2d3ca94d vendor-advisory
- FEDORA-2022-7fda04ab5a vendor-advisory
- FEDORA-2022-34de4f833d vendor-advisory
- [debian-lts-announce] 20220516 [SECURITY] [DLA 3009-1] cifs-utils security update mailing-list
- DSA-5157 vendor-advisory
- GLSA-202311-05 vendor-advisory