CVE-2020-0404 – kernel: avoid cyclic entity chains due to malformed USB descriptors

https://notcve.org/view.php?id=CVE-2020-0404

In uvc_scan_chain_forward of uvc_driver.c, there is a possible linked list corruption due to an unusual root cause. This could lead to local escalation of privilege in the kernel with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-111893654References: Upstream kernel En la función uvc_scan_chain_forward del archivo uvc_driver.c, se presenta una posible corrupción de la lista enlazada debido a una causa raíz inusual. Esto podría conllevar a una escalada de privilegios local en el kernel sin ser necesarios privilegios de ejecución adicionales. No es requerida una interacción del usuario para su explotación. • http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00001.html http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html https://source.android.com/security/bulletin/2020-09-01 https://www.oracle.com/security-alerts/cpujul2022.html https://access.redhat.com/security/cve/CVE-2020-0404 https://bugzilla.redhat.com/show_bug.cgi?id=1919791 • CWE-269: Improper Privilege Management CWE-284: Improper Access Control •