An exploitable shared memory permissions vulnerability exists in the functionality of X11 Mesa 3D Graphics Library 19.1.2. An attacker can access the shared memory without any specific permissions to trigger this vulnerability.
A product defines a set of insecure permissions that are inherited by objects that are created by the program.
The product specifies permissions for a security-critical resource in a way that allows that resource to be read or modified by unintended actors.
Link | Tags |
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https://lists.debian.org/debian-lts-announce/2019/11/msg00013.html | third party advisory mailing list |
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00037.html | mailing list third party advisory vendor advisory |
https://usn.ubuntu.com/4271-1/ | third party advisory vendor advisory |
https://talosintelligence.com/vulnerability_reports/TALOS-2019-0857 | third party advisory exploit |
https://lists.freedesktop.org/pipermail/mesa-dev/2019-October/223704.html | mailing list third party advisory patch |
https://gitlab.freedesktop.org/mesa/mesa/-/commit/02c3dad0f3b4d26e0faa5cc51d06bc50d693dcdc | third party advisory patch |