CVE•Published 2025-09-19•Modified 2026-07-30•1 article on news•6 live references•NVD data
CVE-2025-39864Linux · Linux_kernel
Vulnerability data via NVD (ingested)
CVSS v3.1
8.8
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
5
Exploit Prediction Scoring System · top 95% of all CVEs
Weaknesses (CWE)
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.
Timeline
Published 2025-09-19
Modified 2026-07-30
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
Shodan · vuln tag5 hosts
vuln:CVE-2025-39864Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · OS
os:"Linux Kernel"Hosts Shodan identified as running Linux Kernel.
More intel sources (5)
Shodan report
vuln:CVE-2025-39864Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2025-39864Censys host search filtered to this CVE id.
grep.app
CVE-2025-39864Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2025-39864GitHub code search for direct mentions.
Google dork
"CVE-2025-39864" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2025-39864 on GitHub.