CVE-2015-8660
MEDIUM
6.7
CVSS Score
Published: December 28, 2015 at 11:00 AM UTC
Updated: June 17, 2026 at 12:34 AM UTC
1 product affected across 1 vendorLinux Kernel
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Severity
MEDIUM6.7
Exploit prediction
EPSS 22%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
3.18 ≤ v < 3.18.313.19 ≤ v < 4.1.224.2 ≤ v < 4.4
Affected range stops below 3.18.31, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.1.22, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=acff81ec2c79492b180fade3c2894425cd35a545
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00039.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00040.html
- http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00043.html
- http://rhn.redhat.com/errata/RHSA-2016-1532.html
References (23)
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=acff81ec2c79492b180fade3c2894425cd35a545Vendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00039.htmlVendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00040.htmlVendor Advisoryx_refsource_SUSEMailing ListThird Party Advisory
Source: [email protected]
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00043.htmlx_refsource_MISCThird Party AdvisoryVDB Entry
Source: [email protected]
http://packetstormsecurity.com/files/135151/Ubuntu-14.04-LTS-15.10-overlayfs-Local-Root.htmlVendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
http://rhn.redhat.com/errata/RHSA-2016-1532.htmlVendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
http://rhn.redhat.com/errata/RHSA-2016-1539.htmlVendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
http://rhn.redhat.com/errata/RHSA-2016-1541.htmlCVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- HIGH
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-264
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