Description
An issue in IEEE 802.1AS linuxptp v.4.2 and before allowing a remote attacker to cause a denial of service via a crafted Pdelay_Req message to the time synchronization function
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | linuxptp | No fix yet | — |
| Debian 13 | linuxptp | No fix yet | — |
| Debian 12 | linuxptp | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | linuxptp | No fix yet | — |
| Ubuntu 26.04 LTS | linuxptp | No fix yet | — |
| Ubuntu 25.10 | linuxptp | No fix yet | — |
| Ubuntu 24.04 LTS | linuxptp | No fix yet | — |
| Ubuntu 22.04 LTS | linuxptp | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | linuxptp | No fix yet | — |
| Ubuntu 18.04 LTS | linuxptp | No fix yet | — |
| Ubuntu Pro 16.04 LTS | linuxptp | No fix yet | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | linuxptp | 3.1.1-1 | — |
| Azure Linux 2 (CBL-Mariner) | linuxptp | 3.1.1-1 | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 1 repository
-
qiupy123/CVE-2024-42861 ★ 0 · Sep 21, 2024
the
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 1
- WID-SEC-2024-2204 Specification IEEE 802.1AS linuxptp Implementierung: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Sep 24, 2024