An out-of-bounds memory write flaw was found in the Linux kernel's joystick devices subsystem in versions before 5.9-rc1, in the way the user calls ioctl JSIOCSBTNMAP. This flaw allows a local user to crash the system or possibly escalate their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
The product writes data past the end, or before the beginning, of the intended buffer.
| Link | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1974079 | third party advisory issue tracking |
| https://lore.kernel.org/linux-input/20210620120030.1513655-1-avlarkin82%40gmail.com/ | |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YKGI562LFV5MESTMVTCG5RORSBT6NGBN/ | vendor advisory |
| https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html | third party advisory mailing list |
| https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html | third party advisory mailing list |
| https://www.oracle.com/security-alerts/cpujul2022.html | third party advisory patch |
| https://security.netapp.com/advisory/ntap-20210805-0005/ | third party advisory |