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CVE-2025-39853Disclosure(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: i40e: Fix potential invalid access when MAC list is empty list_first_entry() never returns NULL - if the list is empty, it still returns a pointer to an invalid object, leading to potential invalid memory access when dereferenced. Fix this by using list_first_entry_or_null instead of list_first_entry.

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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

  • Disclosure: 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 · 2026-07-07: 107-07
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
Full discourse1 post
  • BREACHSPIDER@breachspider
    Disclosure

    [CVE Analysis] CVE-2025-39853: Multiple Memory Safety Flaws in Siemens SIMATIC CN 4100 Threaten Communication Node Availability https://breachspider.com/intel/2026-07-07-cve-2025-39853-multiple-memory-safety-flaws-in-siemens-simat #ICS #OTSecurity #SCADA #CriticalInfrastructure

    Post summary

    The text announces a newly disclosed vulnerability (CVE‑2025‑39853) affecting Siemens SIMATIC CN 4100, providing only a headline and link, with no PoC, exploit, or mitigation information.

    0000047
    2.3K followersView on X
CPE platform detail6 entries

6 of 6 entries

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

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