CVE-2020-10751 – kernel: SELinux netlink permission check bypass

https://notcve.org/view.php?id=CVE-2020-10751

26 May 2020 — A flaw was found in the Linux kernels SELinux LSM hook implementation before version 5.7, where it incorrectly assumed that an skb would only contain a single netlink message. The hook would incorrectly only validate the first netlink message in the skb and allow or deny the rest of the messages within the skb with the granted permission without further processing. Se detectó un fallo en la implementación del enlace SELinux LSM de kernels de Linux versiones anteriores a 5.7, donde se asumía incorrectamente ... • http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html • CWE-345: Insufficient Verification of Data Authenticity CWE-349: Acceptance of Extraneous Untrusted Data With Trusted Data •