CVE-2020-28941

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.
Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

History

07 Nov 2023, 03:21

Type Values Removed Values Added
References
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TITJQPYDWZ4NB2ONJWUXW75KSQIPF35T/', 'name': 'FEDORA-2020-8c15928d23', 'tags': ['Third Party Advisory'], 'refsource': 'FEDORA'}
  • {'url': 'https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZF4OGZPKTAJJXWHPIFP3LHEWWEMR5LPT/', 'name': 'FEDORA-2020-4700a73bd5', 'tags': ['Third Party Advisory'], 'refsource': 'FEDORA'}
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZF4OGZPKTAJJXWHPIFP3LHEWWEMR5LPT/ -
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TITJQPYDWZ4NB2ONJWUXW75KSQIPF35T/ -

19 Oct 2022, 14:44

Type Values Removed Values Added
First Time Debian debian Linux
Debian
CPE cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
References (MLIST) https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html - (MLIST) https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html - Mailing List, Third Party Advisory

Information

Published : 2020-11-19 19:15

Updated : 2023-12-10 13:41


NVD link : CVE-2020-28941

Mitre link : CVE-2020-28941

CVE.ORG link : CVE-2020-28941


JSON object : View

Products Affected

linux

  • linux_kernel

debian

  • debian_linux

fedoraproject

  • fedora
CWE
CWE-763

Release of Invalid Pointer or Reference