A flaw was found in the Linux kernel. A use-after-free was found in the way the console subsystem was using ioctls KDGKBSENT and KDSKBSENT. A local user could use this flaw to get read memory access out of bounds. The highest threat from this vulnerability is to data confidentiality.
References
Link | Resource |
---|---|
https://lkml.org/lkml/2020/10/29/528 | Mailing List Patch Third Party Advisory |
https://lkml.org/lkml/2020/10/16/84 | Exploit Mailing List Third Party Advisory |
https://bugzilla.redhat.com/show_bug.cgi?id=1888726 | Exploit Issue Tracking Patch Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2020/12/msg00015.html | Mailing List Third Party Advisory |
https://lists.debian.org/debian-lts-announce/2020/12/msg00027.html | Mailing List Third Party Advisory |
https://www.starwindsoftware.com/security/sw-20210325-0006/ | Third Party Advisory |
Configurations
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Information
Published : 2020-12-01 17:15
Updated : 2022-10-25 10:03
NVD link : CVE-2020-25656
Mitre link : CVE-2020-25656
JSON object : View
CWE
CWE-416
Use After Free
Products Affected
redhat
- enterprise_linux
starwindsoftware
- starwind_virtual_san
debian
- debian_linux
linux
- linux_kernel