CVE-2025-23308

Code execution via REL section out-of-bounds writes

Published Sep 24, 2025 · Updated Sep 24, 2025

Heap-based buffer overflow in nvdisasm in NVIDIA CUDA Toolkit before 13.0 allows attackers to execute code via a malicious ELF file. The REL section-header parser writes 8-byte values past a heap allocation while processing attacker-controlled relocation data. Exploitation requires a user to run nvdisasm on the file, and resulting code executes with that user's privileges.

CVSS severity3.3
Low
EPSS probability0.24%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Heap-based buffer overflow in nvdisasm in NVIDIA CUDA Toolkit before 13.0 allows attackers to execute code via a malicious ELF file. The REL section-header parser writes 8-byte values past a heap allocation while processing attacker-controlled relocation data. Exploitation requires a user to run nvdisasm on the file, and resulting code executes with that user's privileges.

The record

CVE
CVE-2025-23308
Published
Sep 24, 2025
Updated
Sep 24, 2025
Vendor
DPDK Project
Product
NVIDIA CUDA Toolkit
Classifications
CWE-122, T1204.002
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 24, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 24, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=All versions prior to CUDA Toolkit 13.0

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

DPDK Project · NVIDIA CUDA Toolkitversion=All versions prior to CUDA Toolkit 13.0

Published CVSS scores

7.8Cisco TalosCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
3.3NVIDIACVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

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No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-122Heap-based Buffer Overflow
T1204.002User Execution: Malicious File

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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