CVE•Published 2025-02-27•Modified 2026-10-15•1 article on news•7 live references•NVD data
CVE-2025-21762Linux · Linux_kernel
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
49
Exploit Prediction Scoring System · top 51% of all CVEs
Weaknesses (CWE)
Description
In the Linux kernel, the following vulnerability has been resolved: arp: use RCU protection in arp_xmit() arp_xmit() can be called without RTNL or RCU protection. Use RCU protection to avoid potential UAF.
Timeline
Published 2025-02-27
Modified 2026-10-15
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 tag0 hosts
vuln:CVE-2025-21762Hosts 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-2025-21762Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2025-21762Censys host search filtered to this CVE id.
grep.app
CVE-2025-21762Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2025-21762GitHub code search for direct mentions.
Google dork
"CVE-2025-21762" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (8)
CVE-2025-217628 repos
0xor0ne/awesome-listunknown
Cybersecurity oriented awesome list
eeeeeeeeee-code/POCunknown
备份的漏洞库，3月开始我们来维护
Zeyad-Azima/Offensive-Resourcesunknown
A Huge Learning Resources with Labs For Offensive Security Players
Ostorlab/KEVunknown
Ostorlab KEV: One-command to detect most remotely known exploitable vulnerabilities. Sourced from CISA KEV, Google's Tsunami, Ostorlab's Asteroid and Bug Bounty programs.
tg12/PoC_CVEsShell
PoC_CVEs
fankh/vulnerability-pocPython
CVE proof-of-concept labs, exploit scripts, and detection/prevention rules (Nginx, Apache, Snort, YARA) for high-severity CVEs. Authorized security testing & research only.
DMW11525708/wikiunknown
漏洞文库 wiki.wy876.cn
Security-Phoenix-demo/security-skills-claude-codePython
This repository is a curated collection of skills, plugins, and automation pipelines designed for Claude Code — Anthropic's CLI for AI-assisted software engineering. It was built …