CVE-2025-2149: linuxfoundation pytorch Improper Initialization
Vulnerability summary
CVE-2025-2149 is a low (CVSS 2.5) Improper Initialization vulnerability in linuxfoundation pytorch. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 16.2% of scored vulnerabilities. 2 public exploits are recorded.
Timeline
- 10-03-2025PublishedVulnerability first disclosed.
- 10-03-2025Last modifiedVulnerability information updated.
Description
A vulnerability was found in PyTorch 2.6.0+cu124. It has been rated as problematic. Affected by this issue is the function nnq_Sigmoid of the component Quantized Sigmoid Module. The manipulation of the argument scale/zero_point leads to improper initialization. The attack needs to be approached locally. The complexity of an attack is rather high. The exploitation is known to be difficult. The exploit has been disclosed to the public and may be used.
CVSS metrics
12 scores · 6 sources · 4 versions- OSV · PypiEcosystem advisory · calculated2.0LowCVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- OSV · UbuntuEcosystem advisory · calculated2.0LowCVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
- OSV · DebianEcosystem advisory · calculated2.0LowCVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- OSV · ChainguardEcosystem advisory · calculated2.0LowCVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- NVDNIST2.0LowCVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- OSV · UbuntuEcosystem advisory · calculated2.5LowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
- NVDNIST2.5LowCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
- NVDNIST1.0LowAV:L/AC:H/Au:S/C:N/I:P/A:N
EPSS trend
Probability
0.26%
Chance of exploitation in the next 30 days
Percentile
16%
Versus all other CVEs
30-day change
0.00 pp
From 0.25% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundPytorch
Maturity: poc
Exploit Reference (vuldb.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Chainguard5 products
- py3.10-torch-2.3-cuda-12.4All versions (No fix recorded)
- py3.10-torch-2.6-cuda-12.4All versions (No fix recorded)
- py3.11-torch-2.6-cuda-12.4All versions (No fix recorded)
- py3.12-torch-2.6-cuda-12.4All versions (No fix recorded)
- py3.13-torch-2.6-cuda-12.4All versions (No fix recorded)
Debian1 product
- pytorchAll versions (No fix recorded)
Linuxfoundation1 product
- pytorch2.6.0:cu124
PyPI1 product
- torch≤ 2.6.0 | ≤ 2.6.0-cu124
Ubuntu1 product
- pytorchAll versions (No fix recorded)
5 vendors · 9 products
References
12 links
- github.com/pytorch/pytorchPACKAGE
