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CVE-2020-29373 PUBLISHED

An issue was discovered in fs/io_uring.c in the Linux kernel before 5.6. It unsafely handles the root directory during path lookups, and thus a process inside a mount namespace can escape to unintended filesystem locations, aka CID-ff002b30181d.

EPSS 0.05% · 14.4th percentile

Risk Scores

EPSS Score
0.05%
14.4th percentile

Affected Products

VendorProductVersions
Ubuntu:22.04:LTSlinux-riscv5.15.0-1005.5, 5.13.0-1010.11+22.04.1, 5.13.0-1007.7+22.04.1
Ubuntu:22.04:LTSlinux-intel-iot-realtime0, 5.15.0-1073.75
Ubuntu:18.04:LTSlinux-azure4.18.0-1025.27~18.04.1, 4.18.0-1024.25~18.04.1, 0
Ubuntu:18.04:LTSlinux-oem4.15.0-1009.12, 4.15.0-1004.5, 4.15.0-1002.3
Ubuntu:18.04:LTSlinux-hwe-edge0, 5.0.0-17.18~18.04.1, 5.3.0-23.25~18.04.1
Ubuntu:18.04:LTSlinux-gke-5.3*, 5.3.0-1011.12~18.04.1, 0
Ubuntu:20.04:LTSlinux-azure-fde*, *, *
Ubuntu:20.04:LTSlinux-gke5.4.0-1083.89, 5.4.0-1065.68, 5.4.0-1084.90
Ubuntu:20.04:LTSlinux-raspi25.3.0-1015.17, 5.3.0-1017.19, 5.4.0-1004.4
Ubuntu:18.04:LTSlinux-aws-5.05.0.0-1027.30, 5.0.0-1023.26~18.04.1, 5.0.0-1024.27~18.04.1
Ubuntu:18.04:LTSlinux-azure-edge0, 4.18.0-1007.7~18.04.1, 4.18.0-1008.8~18.04.1
Ubuntu:20.04:LTSlinux-riscv0, 5.4.0-34.38, 5.4.0-28.32
Ubuntu:18.04:LTSlinux-hwe5.3.0-66.60, 5.3.0-67.61, 5.3.0-68.63
Ubuntu:18.04:LTSlinux-raspi2-5.30, 5.3.0-1022.24~18.04.1, 5.3.0-1019.21~18.04.1
Ubuntu:18.04:LTSlinux-oracle-5.05.0.0-1013.18, 5.0.0-1009.14~18.04.1, 5.0.0-1010.15~18.04.1
Ubuntu:18.04:LTSlinux-azure-5.35.3.0-1019.20~18.04.1, 5.3.0-1008.9~18.04.1, 5.3.0-1007.8~18.04.1
Ubuntu:18.04:LTSlinux-gcp-edge4.18.0-1006.7~18.04.1, 4.18.0-1008.9~18.04.1, 4.18.0-1009.10~18.04.1
Ubuntu:18.04:LTSlinux-gcp-5.30, 5.3.0-1008.9~18.04.1, 5.3.0-1009.10~18.04.1
Ubuntu:18.04:LTSlinux-gke-4.154.15.0-1057.60, 4.15.0-1067.70, 4.15.0-1069.72
Ubuntu:22.04:LTSlinux-realtime0, 5.15.0-1032.35

…and 6 more

Timeline

References

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