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Bug#1150290: rccl: CVE-2026-43598

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Source: rccl
Version: 5.4.3-3
Severity: grave
Tags: security upstream
Justification: user security hole
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for rccl.

CVE-2026-43598[0]:
| 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-43598
    https://www.cve.org/CVERecord?id=CVE-2026-43598
[1] https://www.amd.com/en/resources/product-security/bulletin/AMD-SB-6033.html

Regards,
Salvatore

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Bug#1150290: rccl: CVE-2026-43598 Salvatore Bonaccorso <carnil@debian.org> - 2026-10-08 07:40 +0200

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