Description
The mbcache feature in the ext2 and ext4 filesystem implementations in the Linux kernel before 4.6 mishandles xattr block caching, which allows local users to cause a denial of service (soft lockup) via filesystem operations in environments that use many attributes, as demonstrated by Ceph and Samba.
Published: 2016-10-16
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
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Advisories
Source ID Title
EUVD EUVD EUVD-2015-8808 The mbcache feature in the ext2 and ext4 filesystem implementations in the Linux kernel before 4.6 mishandles xattr block caching, which allows local users to cause a denial of service (soft lockup) via filesystem operations in environments that use many attributes, as demonstrated by Ceph and Samba.
Ubuntu USN Ubuntu USN USN-3582-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3582-2 Linux kernel (Xenial HWE) vulnerabilities
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Linux Linux Kernel
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-06T08:36:30.872Z

Reserved: 2016-08-25T00:00:00.000Z

Link: CVE-2015-8952

cve-icon Vulnrichment

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cve-icon NVD

Status : Deferred

Published: 2016-10-16T21:59:01.910

Modified: 2025-04-12T10:46:40.837

Link: CVE-2015-8952

cve-icon Redhat

Severity : Low

Publid Date: 2016-08-22T00:00:00Z

Links: CVE-2015-8952 - Bugzilla

cve-icon OpenCVE Enrichment

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Weaknesses