CVE•Published 2021-06-14•Modified 2026-10-08•0 articles on news•5 live references•NVD data
CVE-2021-34693Linux · Linux_kernel
Vulnerability data via NVD (ingested)
CVSS v3.1
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS percentile
39
Exploit Prediction Scoring System · top 61% of all CVEs
Weaknesses (CWE)
Description
net/can/bcm.c in the Linux kernel through 5.12.10 allows local users to obtain sensitive information from kernel stack memory because parts of a data structure are uninitialized.
Timeline
Published 2021-06-14
Modified 2026-10-08
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 tag3 hosts
vuln:CVE-2021-34693Hosts 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-2021-34693Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2021-34693Censys host search filtered to this CVE id.
grep.app
CVE-2021-34693Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2021-34693GitHub code search for direct mentions.
Google dork
"CVE-2021-34693" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2021-34693 on GitHub.
We haven't classified any articles referencing CVE-2021-34693 yet. The external references above still apply.