CVE-2020-28941
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-28941
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-28941.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 5.9.11.arch1-1 | |
| sles | affected | | |
| debian | bookworm | fixed | 5.9.11-1 |
| debian | bullseye | fixed | 5.9.11-1 |
| debian | forky | fixed | 5.9.11-1 |
| debian | sid | fixed | 5.9.11-1 |
| debian | trixie | fixed | 5.9.11-1 |
References
Verify integrity in audit chain (admin only). AS-IS.