CVE-2025-55551: An issue in the component torch.linalg.lu of pytorch v2.8.0 allows attackers to cause a Denial of Service (DoS) when performing a slice operation.
CSIRTS triage
- What
- A denial of service vulnerability in PyTorch's torch.linalg.lu function crashes on certain slice operations.
- Who is affected
- PyTorch 2.8.0 users performing linear algebra operations with specific slice patterns.
- Urgency
- High priority; CVSS 7.5 and DoS attacks can halt machine learning workloads.
- Action
- Upgrade PyTorch to a version after 2.8.0 that includes fixes for torch.linalg.lu slice handling.
AI-assisted analysis generated from the source advisory — verify against the original.
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Details
Original advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55551
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2025-555510.39% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 32% of all EPSS-scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2025-55551 | coverage & exploitation status | NVD · CVE.org |
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