CVE-2026-104715
Fixed in a distro release EPSS <1%CVSS 7.8
A flaw was found in cifs-utils. This flaw allows an unprivileged local user to achieve privilege escalation. When a privileged service mounts a Common Internet File System (CIFS) share using a user-controlled credentials file, input values are not properly sanitized before being assembled into mount options. A local attacker can exploit this vulnerability to inject unauthorized mount options, allowing them to bypass permission checks and execute files with administrative (root) privileges.
Products: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Alpine 3.21 | cifs-utils | 7.1-r1 |
| Alpine 3.22 | cifs-utils | 7.3-r1 |
| Alpine 3.23 | cifs-utils | 7.4-r1 |
| Alpine 3.24 | cifs-utils | 7.5-r1 |
| Debian 12 | cifs-utils | no fix |
| Debian 13 | cifs-utils | 2:7.4-1+deb13u1 |
| Debian 14 | cifs-utils | 2:7.9-1 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS | cifs-utils | 6.15-150400.3.27.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS | cifs-utils | 6.15-150400.3.27.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS | cifs-utils | 6.15-150400.3.27.1 |
| SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS | cifs-utils | 6.15-150400.3.27.1 |
| SUSE Linux Enterprise Micro 5.3 | cifs-utils | 6.15-150400.3.27.1 |
| SUSE Linux Enterprise Micro 5.4 | cifs-utils | 6.15-150400.3.27.1 |
| SUSE Linux Enterprise Micro 5.5 | cifs-utils | 6.15-150400.3.27.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP7 | cifs-utils | 6.15-150400.3.27.1 |
| SUSE Linux Enterprise Server 12 SP5-LTSS | cifs-utils | 6.9-13.32.2 |
| SUSE Linux Enterprise Server 15 SP4-LTSS | cifs-utils | 6.15-150400.3.27.1 |
| SUSE Linux Enterprise Server 15 SP5-LTSS | cifs-utils | 6.15-150400.3.27.1 |
| SUSE Linux Enterprise Server 15 SP6-LTSS | cifs-utils | 6.15-150400.3.27.1 |
| SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 | cifs-utils | 6.9-13.32.2 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP4 | cifs-utils | 6.15-150400.3.27.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP5 | cifs-utils | 6.15-150400.3.27.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 SP6 | cifs-utils | 6.15-150400.3.27.1 |
| Ubuntu 18.04 LTS | cifs-utils | no fix |
| Ubuntu 20.04 LTS | cifs-utils | no fix |
| Ubuntu 22.04 LTS | cifs-utils | 2:6.14-1ubuntu0.7 |
| Ubuntu 24.04 LTS | cifs-utils | 2:7.0-2ubuntu0.6 |
| Ubuntu 26.04 LTS | cifs-utils | 2:7.4-1ubuntu0.26.04.4 |
| Ubuntu 26.10 | cifs-utils | 2:7.4-1ubuntu3.1 |
| Ubuntu Pro 14.04 LTS | cifs-utils | no fix |
| Ubuntu Pro 16.04 LTS | cifs-utils | no fix |