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CVE-2020-28941

CVSS v3.1 5.5 (Medium)
55% Progress
CVSS v2.0 4.9 (Medium)
49% Progress
EPSS 0.04 % (5th)
0.04% Progress
Affected Products 3
Advisories 14
Info CVSS EPSS Affected Configurations References Security Advisories Packages & Software OVAL Tools, Exploits & PoC Graph Web & Social Timeline

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.

Weaknesses
CWE-763
Release of Invalid Pointer or Reference
CVE Status
PUBLISHED
CNA
MITRE
Published Date
2020-11-19 19:15:11
(3 years ago)
Updated Date
2023-11-07 03:21:24
(10 months ago)

Affected Products

Debian

Fedoraproject

Linux

Configuration #1

    CPE23 From Up To
  Linux Kernel 5.9.9 and prior versions cpe:2.3:o:linux:linux_kernel <= 5.9.9

Configuration #2

    CPE23 From Up To
  Fedoraproject Fedora 32 cpe:2.3:o:fedoraproject:fedora:32
  Fedoraproject Fedora 33 cpe:2.3:o:fedoraproject:fedora:33

Configuration #3

    CPE23 From Up To
  Debian Linux 9.0 cpe:2.3:o:debian:debian_linux:9.0