CVE-2020-29373
Last modified
CVE-2020-29373 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. 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 estimates a 0.51% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 5.6 |
References
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2011Exploit, Issue Tracking, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6Release Notes, Vendor Advisory
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2011Exploit, Issue Tracking, Third Party Advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6Release Notes, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- CVE-2020-29375An issue was discovered on V-SOL V1600D V2.03.69 and V2.03.5…8.8
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