CVE-2015-8660
MEDIUM 6.7
At a glance
- Source
- NVD
- EPSS
- EPSS 22.20 % · percentile 98 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Modified
Description
The 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.
Weaknesses (CWE)
References
- http://www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html
- https://www.exploit-db.com/exploits/39166/
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00043.html
- http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html
- http://packetstormsecurity.com/files/135151/Ubuntu-14.04-LTS-15.10-overlayfs-Local-Root.html
- http://www.securitytracker.com/id/1034548
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=acff81ec2c79492b180fade3c2894425cd35a545
- http://rhn.redhat.com/errata/RHSA-2016-1541.html
- https://github.com/torvalds/linux/commit/acff81ec2c79492b180fade3c2894425cd35a545
- https://www.exploit-db.com/exploits/40688/
- http://www.openwall.com/lists/oss-security/2015/12/23/5
- http://rhn.redhat.com/errata/RHSA-2016-1539.html
- http://www.ubuntu.com/usn/USN-2857-2
- http://rhn.redhat.com/errata/RHSA-2016-1532.html
- https://bugzilla.redhat.com/show_bug.cgi?id=1291329
- https://www.exploit-db.com/exploits/39230/
- http://www.ubuntu.com/usn/USN-2858-2
- http://www.ubuntu.com/usn/USN-2858-3
- http://www.ubuntu.com/usn/USN-2858-1
- http://www.ubuntu.com/usn/USN-2857-1
- http://www.securityfocus.com/bid/79671
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00040.html
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 6.7 | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
| CVSS 2.0 | HIGH 7.2 | AV:L/AC:L/Au:N/C:C/I:C/A:C | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2015-8537
- GCVE · GCVE-0-2015-8660
CERT-FR advisories
- CERTFR-2016-AVI-272 — Multiples vulnérabilités dans le noyau Linux d'Oracle · cert.ssi.gouv.fr
- CERTFR-2016-AVI-098 — Multiples vulnérabilités dans le noyau Linux de Suse · cert.ssi.gouv.fr
- CERTFR-2016-AVI-073 — Multiples vulnérabilités dans le noyau Linux de Suse · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 3.18 < 3.18.31cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 3.19 < 4.1.22cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.2 < 4.4
Affected products
| Product | Versions |
|---|---|
| affected n/a |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |