This page tracks the Ubuntu fix status. The vulnerability itself is described on the main CVE page. View CVE-2026-43598 →

UBUNTU-CVE-2026-43598

Improper input validation in the AMD ROCm Communication Collectives Library (RCCL) could allow a compromised peer rank or network-adjacent attacker to...

Original description

The description as published by the source.

Improper input validation in the AMD ROCm Communication Collectives Library (RCCL) could allow a compromised peer rank or network-adjacent attacker to dereference an attacker-controlled pointer, potentially resulting in remote code execution.

Source: OSV.dev (Open Source Vulnerabilities) OSV

Affected packages

Ubuntu:24.04:LTS rccl

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:26.10 rccl

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

Ubuntu:26.04:LTS rccl

[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}]

References

report ubuntu.com
report cve.org
report amd.com