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.
References
Link | Resource |
---|---|
http://www.openwall.com/lists/oss-security/2020/11/19/5 | Mailing List Patch Third Party Advisory |
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d4122754442799187d5d537a9c039a49a67e57f1 | Patch Vendor Advisory |
https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git/commit/?h=tty-linus&id=d4122754442799187d5d537a9c039a49a67e57f1 | Patch Vendor Advisory |
https://github.com/torvalds/linux/commit/d4122754442799187d5d537a9c039a49a67e57f1 | Patch Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html | Mailing List Third Party Advisory |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TITJQPYDWZ4NB2ONJWUXW75KSQIPF35T/ | |
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZF4OGZPKTAJJXWHPIFP3LHEWWEMR5LPT/ | |
https://www.openwall.com/lists/oss-security/2020/11/19/3 | Mailing List Patch Third Party Advisory |
Configurations
History
19 Oct 2022, 14:44
Type | Values Removed | Values Added |
---|---|---|
References | (MLIST) https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html - Mailing List, Third Party Advisory | |
CPE | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
Information
Published : 2020-11-19 19:15
Updated : 2024-02-04 21:23
NVD link : CVE-2020-28941
Mitre link : CVE-2020-28941
CVE.ORG link : CVE-2020-28941
JSON object : View
Products Affected
debian
- debian_linux
fedoraproject
- fedora
linux
- linux_kernel
CWE
CWE-763
Release of Invalid Pointer or Reference