runc through 1.0.0-rc8, as used in Docker through 19.03.2-ce and other products, allows AppArmor restriction bypass because libcontainer/rootfs_linux.go incorrectly checks mount targets, and thus a malicious Docker image can mount over a /proc directory.
{
"nvd_published_at": "2019-09-25T18:15:00Z",
"severity": "HIGH",
"github_reviewed_at": "2022-02-22T15:38:08Z",
"github_reviewed": true,
"cwe_ids": [
"CWE-863"
]
}