CVE-2016-4794
HIGH
7.8
CVSS Score
Published: May 23, 2016 at 10:00 AM UTC
Updated: June 17, 2026 at 12:48 AM UTC
2 products affected across 2 vendorsLinux KernelUbuntu Linux
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Severity
HIGH7.8
Exploit prediction
EPSS 0.5%
Description
Use-after-free vulnerability in mm/percpu.c in the Linux kernel through 4.6 allows local users to cause a denial of service (BUG) or possibly have unspecified other impact via crafted use of the mmap and bpf system calls.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Ubuntu Linux· Canonicalrubygems
95%3.18 ≤ v < 3.18.373.19 ≤ v < 4.1.284.2 ≤ v < 4.4.164.5 ≤ v < 4.6.5
Affected range stops below 3.18.37, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.1.28, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.4.16, so it looks safe — our inference, not a vendor statement
Affected range stops below 4.6.5, 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:
References (12)
Vendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
http://rhn.redhat.com/errata/RHSA-2016-2574.htmlVendor Advisoryx_refsource_REDHATThird Party Advisory
Source: [email protected]
http://rhn.redhat.com/errata/RHSA-2016-2584.htmlMailing Listx_refsource_MLISTExploitThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2016/05/12/6VDB Entryx_refsource_BIDThird Party Advisory
Source: [email protected]
http://www.securityfocus.com/bid/90625Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
http://www.ubuntu.com/usn/USN-3053-1Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
http://www.ubuntu.com/usn/USN-3054-1Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
http://www.ubuntu.com/usn/USN-3055-1Vendor Advisoryx_refsource_UBUNTUThird Party Advisory
Source: [email protected]
http://www.ubuntu.com/usn/USN-3056-1CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
NVD-CWE-Other
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