CVE-2025-57632 · cross-distro fix matrix

CVE-2025-57632: libsmb2 6.2+ is vulnerable to Buffer Overflow. When processing SMB2 chained PDUs (NextCommand), libsmb2 repeatedly calls smb2_add_iovector() to append to a fixed-size iovec array without checking the upper bound of v->niov (SMB2_MAX_VECTORS=256). An attacker can craft responses with many chained PDU

Affects 1 Linux release across 1 (distro × package) combinations.

Fix per ecosystem

Each block below is a distro release where CVE-2025-57632 has a known fix. Run the listed command on that distro to remediate.

Debian trixie

Source: Debian Security Tracker

libsmb2→ fixed in6.2+dfsg-2+deb13u1urgency: not yet assigned
```
sudo apt-get install --only-upgrade -y libsmb2
```

Are YOU affected by CVE-2025-57632?

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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Continuous monitoring beats manual checking

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