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CVE-2025-39757General(debian / debian_linux)

LOWCVSS 7.1 · HIGH

Signal is active with 1 mentions in latest observed window

Immediate actions

  • Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Validate UAC3 cluster segment descriptors UAC3 class segment descriptors need to be verified whether their sizes match with the declared lengths and whether they fit with the allocated buffer sizes, too. Otherwise malicious firmware may lead to the unexpected OOB accesses.

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0.5/ 10 priority

Sources & remediation

Patch / fix
Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-125

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

NONE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • debian_linux
  • linux_kernel

Threat summary

  • 1 mentions across 1 observed day

What's happening

  • General: 1 classified signal
  • 1 total mentions across 1 day

Affected systems

Vendors
debianlinux
Products
debian_linuxlinux_kernel

2 versions affected across 2 products

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-07-17: 107-17
Signal classification1 categories
General
1100.0%
Referenced assets1 URL
Full discourse1 post
  • BREACHSPIDER@breachspider
    General

    [CVE Analysis] CVE-2025-39757: SIMATIC CN 4100 Multiple Vulnerabilities Threaten Communication Node Availability https://breachspider.com/intel/2026-07-17-cve-2025-39757-simatic-cn-4100-multiple-vulnerabilities-thre #ICS #OTSecurity #SCADA #CriticalInfrastructure

    Post summary

    The post announces CVE-2025-39757 as multiple vulnerabilities affecting SIMATIC CN 4100 communication node availability, but offers no technical details, PoC, or mitigation information.

    0000045
    2.3K followersView on X
CPE platform detail3 entries

3 of 3 entries

PartVendorProductVersionTarget SWTarget HW
OSdebiandebian_linux11.0--
OSlinuxlinux_kernel---
OSlinuxlinux_kernel6.17--

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