CVE-2021-26708 – kernel: race conditions caused by wrong locking in net/vmw_vsock/af_vsock.c

https://notcve.org/view.php?id=CVE-2021-26708

05 Feb 2021 — A local privilege escalation was discovered in the Linux kernel before 5.10.13. Multiple race conditions in the AF_VSOCK implementation are caused by wrong locking in net/vmw_vsock/af_vsock.c. The race conditions were implicitly introduced in the commits that added VSOCK multi-transport support. Se detectó una escalada de privilegios local en el kernel de Linux versiones anteriores a 5.10.13. Múltiples condiciones de carrera en la implementación de AF_VSOCK son causadas mediante un bloqueo incorrecto e... • https://github.com/azpema/CVE-2021-26708 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') CWE-667: Improper Locking •