GitHub: CVE-2024-21626 Container breakout through process.cwd trickery and leaked fds

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GHSA-XR7R-F8XQ-VFVV runc vulnerable to container breakout through process.cwd trickery and leaked fds

Impact In runc 1.1.11 and earlier, due to an internal file descriptor leak, an attacker could cause a newly-spawned container process from runc exec to have a working directory in the host filesystem namespace, allowing for a container escape by giving access to the host filesystem "attack 2". Th...