UBUNTU-CVE-2016-4558
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.
02 / AFFECTED SOFTWARE
Affected packages
7 explicit affected versions
26 explicit affected versions
8 explicit affected versions
3 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- http://www.openwall.com/lists/oss-security/2016/05/06/7
- https://git.kernel.org/linus/92117d8443bc5afacc8d5ba82e541946310f106e
- https://ubuntu.com/security/CVE-2016-4558
- https://ubuntu.com/security/notices/USN-3005-1
- https://ubuntu.com/security/notices/USN-3006-1
- https://ubuntu.com/security/notices/USN-3007-1
- https://www.cve.org/CVERecord?id=CVE-2016-4558