| Name | CVE-2021-38425 |
| Description | eProsima Fast DDS versions prior to 2.4.0 (#2269) are susceptible to exploitation when an attacker sends a specially crafted packet to flood a target device with unwanted traffic, which may result in a denial-of-service condition and information exposure. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| fastdds (PTS) | bullseye | 2.1.0+ds-9 | vulnerable |
| bullseye (security) | 2.1.0+ds-9+deb11u1 | fixed |
| bookworm | 2.9.1+ds-1 | fixed |
| bookworm (security) | 2.9.1+ds-1+deb12u1 | fixed |
| sid, trixie | 2.11.2+ds-5 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| fastdds | source | bullseye | 2.1.0+ds-9+deb11u1 | | | |
| fastdds | source | (unstable) | 2.6.1+ds-1 | | | |
Notes
https://github.com/eProsima/Fast-DDS/issues/2267
https://github.com/eProsima/Fast-DDS/pull/2269
https://github.com/eProsima/Fast-DDS/commit/01550cfa1b8313c4cb39529960b41f95e4820312 (v2.6.1)
https://www.cisa.gov/uscert/ics/advisories/icsa-21-315-02