VulnerabilityModified
CVE-2016-4794
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.
HIGH 7.8EPSS 0.49%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.49%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.49% probability · 41th percentile
- CISA KEV
- Not listed
- Affected
- linux/linux kernel · canonical/ubuntu linux
- Source
- cve@mitre.org
References
- http://rhn.redhat.com/errata/RHSA-2016-2574.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2584.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/12/6Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/90625Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3053-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3054-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3055-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3056-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3057-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1335889Issue Tracking, Third Party Advisory, VDB Entry
- https://lkml.org/lkml/2016/4/17/125Exploit, Third Party Advisory
- https://source.android.com/security/bulletin/2016-12-01.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2574.htmlThird Party Advisory
- http://rhn.redhat.com/errata/RHSA-2016-2584.htmlThird Party Advisory
- http://www.openwall.com/lists/oss-security/2016/05/12/6Exploit, Mailing List, Third Party Advisory
- http://www.securityfocus.com/bid/90625Third Party Advisory, VDB Entry
- http://www.ubuntu.com/usn/USN-3053-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3054-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3055-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3056-1Third Party Advisory
- http://www.ubuntu.com/usn/USN-3057-1Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1335889Issue Tracking, Third Party Advisory, VDB Entry
- https://lkml.org/lkml/2016/4/17/125Exploit, Third Party Advisory
- https://source.android.com/security/bulletin/2016-12-01.htmlThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.