CVE•Published 2023-06-01•1 article on news•7 live references•NVD data
CVE-2023-2598
Vulnerability data via CVEDB (Shodan)
CVSS v3.1
7.8
HIGH
EPSS percentile
69
Exploit Prediction Scoring System · top 31% of all CVEs
Description
A flaw was found in the fixed buffer registration code for io_uring (io_sqe_buffer_register in io_uring/rsrc.c) in the Linux kernel that allows out-of-bounds access to physical memory beyond the end of the buffer. This flaw enables full local privilege escalation.
Timeline
Published 2023-06-01
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-2023-2598Hosts Shodan has explicitly fingerprinted as vulnerable.
Shodan · product + version
product:"Netapp Hci Baseboard Management Controller" version:"h300s"Version-pinned fingerprint from NVD's first vulnerable CPE.
Shodan · banner/body mention
http.html:"Hci Baseboard Management Controller"HTTP body or banner mentions "Hci Baseboard Management Controller" — catches deploys Shodan didn't identify as a product.
More intel sources (5)
Shodan report
vuln:CVE-2023-2598Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2023-2598Censys host search filtered to this CVE id.
grep.app
CVE-2023-2598Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2023-2598GitHub code search for direct mentions.
Google dork
"CVE-2023-2598" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub (7)
CVE-2023-25987 repos
nomi-sec/PoC-in-GitHubunknown
📡 PoC auto collect from GitHub. ⚠️ Be careful Malware.
xairy/linux-kernel-exploitationunknown
A collection of links related to Linux kernel security and exploitation
0xor0ne/awesome-listunknown
Cybersecurity oriented awesome list
bsauce/kernel-exploit-factoryC
Linux kernel CVE exploit analysis report and relative debug environment. You don't need to compile Linux kernel and configure your environment anymore.
bsauce/kernel-security-learningC
Anything about kernel security. CTF kernel pwn, kernel exploit, kernel fuzz and kernel defense paper, kernel debugging technique, kernel CVE debug.
liu673/Awesome-LLM4Securityunknown
This project aims to consolidate and share high-quality resources and tools across the cybersecurity domain.
hoilc/scoop-lemonPowerShell
🍋Yet Another Personal Bucket for Scoop