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CVE-2025-39864Disclosure(debian / debian_linux)

LOWCVSS 7.8 · 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: wifi: cfg80211: fix use-after-free in cmp_bss() Following bss_free() quirk introduced in commit 776b3580178f ("cfg80211: track hidden SSID networks properly"), adjust cfg80211_update_known_bss() to free the last beacon frame elements only if they're not shared via the corresponding 'hidden_beacon_bss' pointer.

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0.5/ 10 priority

Sources & remediation

Patch / fix
Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-416

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 · 2026-07-06: 1Technical Details · 2026-07-06: 107-06
Signal classification1 categories
Disclosure
1100.0%
Referenced assets1 URL
Full discourse1 post
  • BREACHSPIDER@breachspider
    Disclosure

    [CVE Analysis] CVE-2025-39864: Multiple Memory Corruption Flaws in Siemens SIMATIC CN 4100 Communication Nodes https://breachspider.com/intel/2026-07-06-cve-2025-39864-multiple-memory-corruption-flaws-in-siemens-s #ICS #OTSecurity #SCADA #CriticalInfrastructure

    Post summary

    The snippet announces a new set of memory corruption vulnerabilities in Siemens SIMATIC CN 4100, linking to an analysis but offering no evidence of exploitation or remediation.

    0000057
    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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