Upstream information

CVE-2015-8952 at MITRE

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.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 2.1 4.6
Vector AV:L/AC:L/Au:N/C:N/I:N/A:P AV:L/AC:L/Au:S/C:N/I:N/A:C
Access Vector Local Local
Access Complexity Low Low
Authentication None Single
Confidentiality Impact None None
Integrity Impact None None
Availability Impact Partial Complete
SUSE Bugzilla entry: 995759 [IN_PROGRESS]

No SUSE Security Announcements cross referenced.


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
SUSE Linux Enterprise Desktop 12 SP1 kernel-source Affected
SUSE Linux Enterprise Server 11 SP4 kernel-source Affected
SUSE Linux Enterprise Server 12 GA LTSS kernel-source Affected
SUSE Linux Enterprise Server 12 SP1 kernel-source Affected