CVE-2014-8989 - CVE House
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Status published Medium CVE-2014-8989

The Linux kernel through 3.17.4 does not properly restrict dropping...

Vulnerability Description

The Linux kernel through 3.17.4 does not properly restrict dropping of supplemental group memberships in certain namespace scenarios, which allows local users to bypass intended file permissions by leveraging a POSIX ACL containing an entry for the group category that is more restrictive than the entry for the other category, aka a "negative groups" issue, related to kernel/groups.c, kernel/uid16.c, and kernel/user_namespace.c.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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Affected Vendor

Affected Software

linux kernel
Vulnerable Versions:
0, 3.0, 3.0.1, 3.0.2, 3.0.3, 3.0.4, 3.0.5, 3.0.6, 3.0.7, 3.0.8, 3.0.9, 3.0.10, 3.0.11, 3.0.12, 3.0.13, 3.0.14, 3.0.15, 3.0.16, 3.0.17, 3.0.18, 3.0.19, 3.0.20, 3.0.21, 3.0.22, 3.0.23, 3.0.24, 3.0.25, 3.0.26, 3.0.27, 3.0.28, 3.0.29, 3.0.30, 3.0.31, 3.0.32, 3.0.33, 3.0.34, 3.0.35, 3.0.36, 3.0.37, 3.0.38, 3.0.39, 3.0.40, 3.0.41, 3.0.42, 3.0.43, 3.0.44, 3.0.45, 3.0.46, 3.0.47, 3.0.48, 3.0.49, 3.0.50, 3.0.51, 3.0.52, 3.0.53, 3.0.54, 3.0.55, 3.0.56, 3.0.57, 3.0.58, 3.0.59, 3.0.60, 3.0.61, 3.0.62, 3.0.63, 3.0.64, 3.0.65, 3.0.66, 3.0.67, 3.0.68, 3.1, 3.1.1, 3.1.2, 3.1.3, 3.1.4, 3.1.5, 3.1.6, 3.1.7, 3.1.8, 3.1.9, 3.1.10, 3.2, 3.10, 3.10.0, 3.10.1, 3.10.2, 3.10.3, 3.10.4, 3.10.5, 3.10.6, 3.10.7, 3.10.8, 3.10.9, 3.10.10, 3.10.11, 3.10.12, 3.10.13, 3.10.14, 3.10.15, 3.10.16, 3.10.17, 3.10.18, 3.10.19, 3.10.20, 3.10.21, 3.10.22, 3.10.23, 3.10.24, 3.10.25, 3.10.26, 3.10.27, 3.10.28, 3.10.29, 3.11, 3.11.1, 3.11.2, 3.11.3, 3.11.4, 3.11.5, 3.11.6, 3.11.7, 3.11.8, 3.11.9, 3.11.10, 3.12, 3.12.1, 3.12.2, 3.12.3, 3.12.4, 3.12.5, 3.12.6, 3.12.7, 3.12.8, 3.12.9, 3.12.10, 3.12.11, 3.12.12, 3.12.13, 3.12.14, 3.12.15, 3.12.16, 3.12.17, 3.13, 3.13.1, 3.13.2, 3.13.3, 3.13.4, 3.13.5, 3.13.6, 3.13.7, 3.13.8, 3.13.9, 3.13.10, 3.13.11, 3.14, 3.14.1, 3.14.2, 3.14.3, 3.14.4, 3.14.5, 3.15, 3.15.1, 3.15.2, 3.15.3, 3.15.4, 3.15.5, 3.15.6, 3.15.7, 3.15.8, 3.16.0, 3.16.1, 3.17, 3.17.1, 3.17.2

Timeline

Official Publish: November 30th, 2014
Last Modified: August 6th, 2024
Added to House: July 19th, 2026

CVSS Vectors

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.