Description
A vulnerability classified as critical was found in PyTorch 2.6.0. This vulnerability affects the function torch.lstm_cell. The manipulation leads to memory corruption. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | PyTorch | 2.6.0 | — |
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 | pytorch | 2.12.0+dfsg2-1 | — |
| Debian 13 | pytorch | No fix yet | — |
| Debian 12 | pytorch | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | pytorch | No fix yet | — |
| Ubuntu 26.04 LTS | pytorch | No fix yet | — |
| Ubuntu 25.10 | pytorch | No fix yet | — |
| Ubuntu 22.04 LTS | pytorch | No fix yet | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | pytorch | 2.2.2-10 | — |
| Azure Linux 2 (CBL-Mariner) | pytorch | 2.0.0-12 | — |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| PyPI | torch | < 2.10.0 | 2.10.0 | GHSA-qfhq-4f3w-5fph |
| PyPI | torch | <= 2.6.0-NA | — | PYSEC-2025-195 |
Advisories 1
- WID-SEC-2025-0666 PyTorch: Mehrere Schwachstellen ermöglichen Codeausführung BSI CERT-Bund (WID) · Mar 31, 2025
References
- VDB-302050 | PyTorch torch.lstm_cell memory corruption vdb-entry technical-description
- VDB-302050 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #524212 | pytorch pytorch (in torch.lstm_cell) torch 2.6.0 Segmentation Fault third-party-advisory
- https://github.com/pytorch/pytorch/issues/149626 issue-tracking
- https://github.com/pytorch/pytorch/issues/149626#issue-2935860995 exploit issue-tracking