CVE-2026-31611 · cross-distro fix matrix

CVE-2026-31611: In the Linux kernel, the following vulnerability has been resolved: ksmbd: require 3 sub-authorities before reading sub_auth[2] parse_dacl() compares each ACE SID against sid_unix_NFS_mode and on ma

Affects 1 Linux release across 1 (distro × package) combinations. First disclosed: 2026-04-24.

CVSS v3:HIGH · 8.6(NVD-published)

Fix per ecosystem

Each block below is a distro release where CVE-2026-31611 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

linux→ fixed in6.12.85-1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y linux
```

Are YOU affected by CVE-2026-31611?

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.

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Form-based quickscan View on NVD

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