CVE-2021-3847 - Vulnerability Details - OpenCVE

An unauthorized access to the execution of the setuid file with capabilities flaw in the Linux kernel OverlayFS subsystem was found in the way user copying a capable file from a nosuid mount into another mount. A local user could use this flaw to escalate their privileges on the system.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

The EPSS score is 0.00034.

Key SSVC decision points have not yet been added.

Vendors	Products
Fedoraproject	Fedora
Linux	Linux Kernel

Configuration 1 [-]

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

Configuration 2 [-]

cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

No data.

No data.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://bugzilla.redhat.com/show_bug.cgi?id=2009704
https://nvd.nist.gov/vuln/detail/CVE-2021-3847
https://www.cve.org/CVERecord?id=CVE-2021-3847
https://www.openwall.com/lists/oss-security/2021/10/14/3

History

No history.

MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2022-04-01T22:17:29

Updated: 2024-08-03T17:09:09.608Z

Reserved: 2021-10-01T00:00:00

Link: CVE-2021-3847

Vulnrichment

No data.

NVD

Status : Modified

Published: 2022-04-01T23:15:10.597

Modified: 2024-11-21T06:22:38.597

Link: CVE-2021-3847

Redhat

Severity : Moderate

Publid Date: 2021-09-13T00:00:00Z

Links: CVE-2021-3847 - Bugzilla

OpenCVE Enrichment

No data.

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