CVE-2026-12505 · cross-distro fix matrix

CVE-2026-12505: It was discovered that cifs-utils incorrectly dropped root privileges

Affects 4 Linux releases across 4 (distro × package) combinations. First disclosed: 2026-06-18.

CVSS v3:HIGH · 7.8(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-12505 has a known fix. Run the listed command on that distro to remediate.

Ubuntu jammy

Source: Ubuntu USN

cifs-utils→ fixed in2:6.14-1ubuntu0.4USN-8496-1

sudo apt-get install --only-upgrade -y cifs-utils

Ubuntu noble

Source: Ubuntu USN

cifs-utils→ fixed in2:7.0-2ubuntu0.3USN-8496-1

sudo apt-get install --only-upgrade -y cifs-utils

Ubuntu questing

Source: Ubuntu USN

cifs-utils→ fixed in2:7.4-1ubuntu0.25.10.1USN-8496-1
```
sudo apt-get install --only-upgrade -y cifs-utils
```

Ubuntu resolute

Source: Ubuntu USN

cifs-utils→ fixed in2:7.4-1ubuntu0.26.04.1USN-8496-1
```
sudo apt-get install --only-upgrade -y cifs-utils
```

Are YOU affected by CVE-2026-12505?

5-second check on your actual server. Reads /etc/os-release, uname -r, and the distro's package manager; matches against this same cross-source index live.

curl https://mindsparkstack.com/scan.sh | bash

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