VULNERABILITY INTELLIGENCE
CVE-2020-28941
CVSS score5.5 MEDIUM
EPSS probability0.33%
CISA KEVNot currently listed
Published2020-11-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
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.
Weakness classification
- nvd@nist.gov: CWE-763
- 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-763
Primary references
- cve@mitre.org — Mailing List, Patch, Third Party Advisory
- cve@mitre.org — Patch, Vendor Advisory
- cve@mitre.org — Patch, Vendor Advisory
- cve@mitre.org — Patch, Third Party Advisory
- cve@mitre.org — Mailing List, Third Party Advisory
- cve@mitre.org
- cve@mitre.org
- cve@mitre.org — Mailing List, Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory