Dirty Pipe: Linux kernel write-privilege vulnerability (CVE-2022-0847)
A bug in the pipe mechanism allows overwriting of read-only files and can lead to root privileges.
A bug in the pipe mechanism allows overwriting of read-only files and can lead to root privileges.
The Dirty Pipe vulnerability in 5.8+ kernels allowed unauthorized writes to the page cache. Public exploit code enabled any local user to gain root privileges.
Patched kernel packages were released in USN-5317-1. 20.04 systems using the HWE kernel were also affected and were updated in the same round.
Velociraptor allows some sensitive artifacts to be gated by additional permissions. For example, the Linux.Sys.BashShell artifact allows arbitrary command execution on endpoints, and so it requires the EXECVE permission to schedule. However, no such check was implemented for client monitoring artifacts. Additionally there was no requirement that client monitoring artifacts carry the CLIENT_EVENTS type. This allows any user who can schedule client monitoring artifacts to also
Linux Kernel contains an unspecified vulnerability that can allow for privilege escalation via IPv6 networking subsystem. This vulnerability can impact multiple products, including but not limited to Suse, Red Hat, and other products using Linux.
Linux Kernel contains an out-of-bounds memory write vulnerability which could allow a local user to gain privileged access or cause a denial of service on the system.