CVE-2016-4794
Advisory lineage Upstream: 0 Downstream: 12
Modified
Published: 23 May 2016, 10:00
Last modified:06 Aug 2024, 00:39
Vulnerability Summary
Overall Risk (default)
medium
41/100 CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
0.09% LOW
0% probability +0.05%
KEV
Not listed
Ransomware
No reports
Public exploits
2 found
Dark Web
Not detected
Timeline
23 May 2016, 10:00
Published
Vulnerability first disclosed
06 Aug 2024, 00:39
Last Modified
Vulnerability information updated
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.
CVSS Metrics
- v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C
EPSS Trends
Current EPSS score: 0.09%• Percentile: 26%
Affected Systems
- canonical•ubuntu_linux
14.04 | 16.04
- linux•linux_kernel
≥ 3.18, < 3.18.37 | ≥ 3.19, < 4.1.28 | ≥ 4.2, < 4.4.16 | ≥ 4.5, < 4.6.5
References (12)
- http://www.ubuntu.com/usn/USN-3054-1
- https://source.android.com/security/bulletin/2016-12-01.html
- http://www.ubuntu.com/usn/USN-3053-1
- http://www.ubuntu.com/usn/USN-3055-1
- http://www.ubuntu.com/usn/USN-3056-1
- http://www.openwall.com/lists/oss-security/2016/05/12/6
- http://rhn.redhat.com/errata/RHSA-2016-2584.html
- http://rhn.redhat.com/errata/RHSA-2016-2574.html
- https://lkml.org/lkml/2016/4/17/125
- https://bugzilla.redhat.com/show_bug.cgi?id=1335889
- http://www.ubuntu.com/usn/USN-3057-1
- http://www.securityfocus.com/bid/90625