CVE-2016-1575
HIGH
7.8
CVSS Score
Published: May 2, 2016 at 10:00 AM UTC
Updated: June 17, 2026 at 12:42 AM UTC
4 products affected across 2 vendorsLinux KernelUbuntu LinuxUbuntu Core
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Severity
HIGH7.8
Exploit prediction
EPSS 0.9%
Description
The overlayfs implementation in the Linux kernel through 4.5.2 does not properly maintain POSIX ACL xattr data, which allows local users to gain privileges by leveraging a group-writable setgid directory.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
References (6)
x_refsource_MISCPatchVendor Advisory
Source: [email protected]
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9f57ebcba563e0cd532926cab83c92bb4d79360x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
http://people.canonical.com/~ubuntu-security/cve/2016/CVE-2016-1575.htmlx_refsource_MISCExploitThird Party Advisory
Source: [email protected]
http://www.halfdog.net/Security/2016/UserNamespaceOverlayfsXattrSetgidPrivilegeEscalation/Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2016/02/24/7Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2021/10/18/1CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-269
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