CVE-2020-29373 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00047.

Key SSVC decision points have not yet been added.

Vendors	Products
Linux	Linux Kernel

Configuration 1 [-]

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

No data.

No data.

Advisories

Source	ID	Title
EUVD	EUVD-2020-21746	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.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://bugs.chromium.org/p/project-zero/issues/detail?id=2011
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ff002b30181d30cdfbca316dadd099c3ca0d739c
https://nvd.nist.gov/vuln/detail/CVE-2020-29373
https://www.cve.org/CVERecord?id=CVE-2020-29373

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2020-11-28T06:19:08

Updated: 2024-08-04T16:48:01.776Z

Reserved: 2020-11-28T00:00:00

Link: CVE-2020-29373

Vulnrichment

No data.

NVD

Status : Modified

Published: 2020-11-28T07:15:11.803

Modified: 2024-11-21T05:23:56.347

Link: CVE-2020-29373

Redhat

Severity :

Publid Date: 2020-05-07T00:00:00Z

Links: CVE-2020-29373 - Bugzilla

OpenCVE Enrichment

No data.

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