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.
Analysis and contextual insights are available on OpenCVE Cloud.
Remediation
No vendor fix or workaround currently provided.
Additional remediation guidance may be available on OpenCVE Cloud.
Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
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 |
USN-3582-1 | Linux kernel vulnerabilities |
Ubuntu USN |
USN-3582-2 | Linux kernel (Xenial HWE) vulnerabilities |
References
History
No history.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-06T08:36:30.872Z
Reserved: 2016-08-25T00:00:00.000Z
Link: CVE-2015-8952
No data.
Status : Modified
Published: 2016-10-16T21:59:01.910
Modified: 2026-05-06T22:30:45.220
Link: CVE-2015-8952
OpenCVE Enrichment
No data.
EUVD
Ubuntu USN