CVE•Published 2024-03-25•Modified 2026-08-04•1 article on news•5 live references•NVD data
CVE-2021-47137Linux · Linux_kernel
Vulnerability data via NVD (ingested)
CVSS v3.1
9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
14
Exploit Prediction Scoring System · top 86% of all CVEs
Weaknesses (CWE)
Description
In the Linux kernel, the following vulnerability has been resolved: net: lantiq: fix memory corruption in RX ring In a situation where memory allocation or dma mapping fails, an invalid address is programmed into the descriptor. This can lead to memory corruption. If the memory allocation fails, DMA should reuse the previous skb and mapping and drop the packet. This patch also increments rx drop counter.
Timeline
Published 2024-03-25
Modified 2026-08-04
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-2021-47137Hosts 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-2021-47137Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2021-47137Censys host search filtered to this CVE id.
grep.app
CVE-2021-47137Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2021-47137GitHub code search for direct mentions.
Google dork
"CVE-2021-47137" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2021-47137 on GitHub.