Vulnerability in Linux Kernel
CVE-2015-8660
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.222 (97.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.224 · newest: 0.222 · change: -0.002
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.oracle.com/technetwork/topics/security/ovmbulletinjul2016-3090546.html (Third Party Advisory)
- www.exploit-db.com/exploits/39166/ (VDB Entry, Third Party Advisory, exploit)
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00039.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2016-03/msg00043.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html (Third Party Advisory)
- packetstormsecurity.com/files/135151/Ubuntu-14.04-LTS-15.10-overlayfs-Local-Roo… (VDB Entry, Third Party Advisory)
- www.securitytracker.com/id/1034548 (VDB Entry, Third Party Advisory, vdb-entry)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Vendor Advisory)
- rhn.redhat.com/errata/RHSA-2016-1541.html (vendor-advisory, Third Party Advisory)
- github.com/torvalds/linux/commit/acff81ec2c79492b180fade3c2894425cd35a545 (Vendor Advisory)
Frequently asked questions
- What is CVE-2015-8660?
- CVE-2015-8660 is a medium-severity vulnerability in Linux Kernel, classified under CWE-264. CVSS score: 6.7/10. Published 2015-12-28.
- How severe is CVE-2015-8660?
- Medium severity. CVSS v3 base score is 6.7 out of 10.
- Is CVE-2015-8660 known to be exploited?
- 16 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.