CVE-2015-8660

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Summary

CVECVE-2015-8660
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2015-12-28 11:59:08 UTC
Updated2026-05-06 22:30:45 UTC
DescriptionThe ovl_setattr function in fs/overlayfs/inode.c in the Linux kernel through 4.3.3 attempts to merge distinct setattr operations, which allows local users to bypass intended access restrictions and modify the attributes of arbitrary overlay files via a crafted application.

Risk And Classification

Primary CVSS: v3.1 6.7 MEDIUM from [email protected]

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-264 | n/a

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary6.7MEDIUMCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:L/AC:L/Au:N/C:C/I:C/A:C

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
ovl: fix permission checking for setattr · torvalds/linux@acff81e · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Vendor Advisory
USN-2858-3: Linux kernel (Raspberry Pi 2) vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
USN-2857-2: Linux kernel (Vivid HWE) vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
Linux Kernel (Ubuntu / Fedora / RedHat) - 'Overlayfs' Privilege Escalation (Metasploit) af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com Third Party Advisory, VDB Entry
[security-announce] SUSE-SU-2016:0751-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Linux Kernel 4.3.3 - 'overlayfs' Privilege Escalation (2) af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com Third Party Advisory, VDB Entry
Oracle VM Server for x86 Bulletin - July 2016 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Third Party Advisory
oss-security - CVE request -- linux kernel: overlay: fix permission checking for setattr af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
Ubuntu 14.04 LTS, 15.10 overlayfs - Local Root Exploit af854a3a-2127-422b-91ae-364da2661108 www.exploit-db.com Third Party Advisory, VDB Entry
[security-announce] SUSE-SU-2016:0752-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
USN-2857-1: Linux kernel vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
Oracle Linux Bulletin - July 2016 af854a3a-2127-422b-91ae-364da2661108 www.oracle.com Third Party Advisory
Bug 1291329 – CVE-2015-8660 kernel: Permission bypass on overlayfs during copy_up af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Third Party Advisory
Linux Kernel Overlayfs Security Permissions Flaw Lets Local Users Bypass Security Restrictions - SecurityTracker af854a3a-2127-422b-91ae-364da2661108 www.securitytracker.com Third Party Advisory, VDB Entry
USN-2858-2: Linux kernel (Wily HWE) vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
[security-announce] SUSE-SU-2016:0755-1: important: Security update for af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Mailing List, Third Party Advisory
Ubuntu 14.04 LTS / 15.10 overlayfs Local Root ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Third Party Advisory, VDB Entry
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
Linux Kernel 'fs/overlayfs/inode.c' Local Privilege Escalation Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
Red Hat Customer Portal af854a3a-2127-422b-91ae-364da2661108 rhn.redhat.com Third Party Advisory
USN-2858-1: Linux kernel vulnerability | Ubuntu af854a3a-2127-422b-91ae-364da2661108 www.ubuntu.com Third Party Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Vendor Advisory
Red Hat Customer Portal MITRE access.redhat.com
Red Hat Customer Portal MITRE access.redhat.com
Red Hat Customer Portal MITRE access.redhat.com
CVE-2015-8660 - Red Hat Customer Portal MITRE access.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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