Upstream information

CVE-2015-8953 at MITRE

Description

fs/overlayfs/copy_up.c in the Linux kernel before 4.2.6 uses an incorrect cleanup code path, which allows local users to cause a denial of service (dentry reference leak) via filesystem operations on a large file in a lower overlayfs layer.

SUSE information

Overall state of this security issue: Pending

This issue is currently rated as having low severity.

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 4.9 1.5
Vector AV:L/AC:L/Au:N/C:N/I:N/A:C AV:L/AC:M/Au:S/C:N/I:N/A:P
Access Vector Local Local
Access Complexity Low Medium
Authentication None Single
Confidentiality Impact None None
Integrity Impact None None
Availability Impact Complete Partial

Note from the SUSE Security Team

This issue does not affect SUSE Linux Enterprise 12 SP1 and older products. Newer products are not affected.

SUSE Bugzilla entry: 995763 [RESOLVED / FIXED]

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Please note that this evaluation state might be work in progress, incomplete or outdated.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 10 SP4 LTSS kernel-source Affected
SUSE Linux Enterprise Server 11 SP2 LTSS kernel-source Affected
SUSE Linux Enterprise Server 11 SP3 LTSS 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