High severity7.0NVD Advisory· Published May 23, 2016· Updated May 6, 2026
CVE-2016-4558
CVE-2016-4558
Description
The BPF subsystem in the Linux kernel before 4.5.5 mishandles reference counts, which allows local users to cause a denial of service (use-after-free) or possibly have unspecified other impact via a crafted application on (1) a system with more than 32 Gb of memory, related to the program reference count or (2) a 1 Tb system, related to the map reference count.
Affected products
3cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*+ 1 more
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
8- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/nvdVendor Advisory
- www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5nvdVendor Advisory
- www.openwall.com/lists/oss-security/2016/05/06/4nvdMailing ListThird Party Advisory
- www.ubuntu.com/usn/USN-3005-1nvdThird Party Advisory
- www.ubuntu.com/usn/USN-3006-1nvdThird Party Advisory
- www.ubuntu.com/usn/USN-3007-1nvdThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party Advisory
- github.com/torvalds/linux/commit/92117d8443bc5afacc8d5ba82e541946310f106envdVendor Advisory
News mentions
0No linked articles in our index yet.