VDB
CVE-2020-29373
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% · 14.9th percentile
Risk Scores
EPSS Score
0.05%
14.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:22.04:LTS | linux-riscv | 5.15.0-1028.32, 5.15.0-1026.30, 5.15.0-1022.26 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | 5.15.0-1073.75, 0 |
| Ubuntu:18.04:LTS | linux-azure | 5.0.0-1035.37, 4.15.0-1009.9, * |
| Ubuntu:18.04:LTS | linux-oem | 4.15.0-1093.103, 4.15.0-1006.9, 4.15.0-1097.107 |
| Ubuntu:18.04:LTS | linux-hwe-edge | 5.0.0-20.21~18.04.1, 0, 5.0.0-16.17~18.04.1 |
| Ubuntu:18.04:LTS | linux-gke-5.3 | 5.3.0-1016.17~18.04.1, 5.3.0-1014.15~18.04.1, 5.3.0-1011.12~18.04.1 |
| Ubuntu:20.04:LTS | linux-azure-fde | 5.4.0-1070.73+cvm1.1, 5.4.0-1098.104+cvm1.1, 5.4.0-1100.106+cvm1.1 |
| Ubuntu:20.04:LTS | linux-gke | 5.4.0-1033.35, 5.4.0-1065.68, 5.4.0-1084.90 |
| Ubuntu:20.04:LTS | linux-raspi2 | 5.3.0-1014.16, 5.4.0-1006.6, 5.4.0-1004.4 |
| Ubuntu:18.04:LTS | linux-aws-5.0 | 5.0.0-1025.28, 5.0.0-1027.30, 0 |
| Ubuntu:18.04:LTS | linux-azure-edge | 5.0.0-1012.12~18.04.2, 4.18.0-1008.8~18.04.1, 4.18.0-1007.7~18.04.1 |
| Ubuntu:20.04:LTS | linux-riscv | 5.4.0-39.44, 5.4.0-40.45, 5.4.0-24.28 |
| Ubuntu:18.04:LTS | linux-hwe | 0, 4.18.0-25.26~18.04.1, 5.3.0-66.60 |
| Ubuntu:18.04:LTS | linux-raspi2-5.3 | *, 0, 5.3.0-1022.24~18.04.1 |
| Ubuntu:18.04:LTS | linux-oracle-5.0 | 0, 5.0.0-1011.16, 5.0.0-1014.19 |
| Ubuntu:18.04:LTS | linux-azure-5.3 | 5.3.0-1022.23~18.04.1, 5.3.0-1031.32~18.04.1, 5.3.0-1034.35~18.04.1 |
| Ubuntu:18.04:LTS | linux-gcp-edge | 4.18.0-1005.6~18.04.1, 4.18.0-1004.5~18.04.1, * |
| Ubuntu:18.04:LTS | linux-gcp-5.3 | *, 0, 5.3.0-1008.9~18.04.1 |
| Ubuntu:18.04:LTS | linux-gke-4.15 | 4.15.0-1044.46, 4.15.0-1041.43, 4.15.0-1036.38 |
| Ubuntu:22.04:LTS | linux-realtime | 5.15.0-1032.35, 0 |
…and 6 more
Timeline
- Nov 28, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-29373 third-party-advisory
- https://git.kernel.org/linus/ff002b30181d30cdfbca316dadd099c3ca0d739c third-party-advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2011 third-party-advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6 third-party-advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ff002b30181d30cdfbca316dadd099c3ca0d739c third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-29373 third-party-advisory