CVE•Published 2020-11-19•Modified 2026-05-29•0 articles on news•7 live references•NVD data
CVE-2020-28941Linux · 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:N/I:N/A:H
EPSS percentile
19
Exploit Prediction Scoring System · top 81% of all CVEs
Weaknesses (CWE)
Description
An issue was discovered in drivers/accessibility/speakup/spk_ttyio.c in the Linux kernel through 5.9.9. Local attackers on systems with the speakup driver could cause a local denial of service attack, aka CID-d41227544427. This occurs because of an invalid free when the line discipline is used more than once.
Timeline
Published 2020-11-19
Modified 2026-05-29
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-2020-28941Hosts 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-2020-28941Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2020-28941Censys host search filtered to this CVE id.
grep.app
CVE-2020-28941Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2020-28941GitHub code search for direct mentions.
Google dork
"CVE-2020-28941" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2020-28941 on GitHub.
We haven't classified any articles referencing CVE-2020-28941 yet. The external references above still apply.