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CVE-2025-39846Disclosure(debian / debian_linux)

LOWCVSS 5.5 · MEDIUM

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: pcmcia: Fix a NULL pointer dereference in __iodyn_find_io_region() In __iodyn_find_io_region(), pcmcia_make_resource() is assigned to res and used in pci_bus_alloc_resource(). There is a dereference of res in pci_bus_alloc_resource(), which could lead to a NULL pointer dereference on failure of pcmcia_make_resource(). Fix this bug by adding a check of res.

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0.5/ 10 priority

Sources & remediation

Patch / fix
Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-476

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

  • Technical details provided in 1 signal
  • 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 · 2026-07-19: 1Technical Details · 2026-07-19: 107-19
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
Full discourse1 post
  • BREACHSPIDER@breachspider
    Disclosure

    [CVE Analysis] CVE-2025-39846: Multiple Memory Corruption Flaws in Siemens SIMATIC CN 4100 Communication Node https://breachspider.com/intel/2026-07-19-cve-2025-39846-multiple-memory-corruption-flaws-in-siemens-s #ICS #OTSecurity #SCADA #CriticalInfrastructure

    Post summary

    The text announces the discovery of multiple memory corruption flaws in the Siemens SIMATIC CN 4100 Communication Node, without providing PoC, exploit details, or evidence of active exploitation.

    0000044
    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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