CVE-2020-28941
Medium
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.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedNov 19, 2020
First seenNov 19, 2020
Weakness typeCWE-763CWE-763
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v ≤ 5.9.9 | — |
| fedoraproject fedora | 32, 33 | — |
| debian debian_linux | 9.0 | — |
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