Description (CNA)
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 (CNA)
| Vendor / product | Versions |
|---|---|
| n/a / n/a | affected n/a |
CWE
No CWE identifiers supplied.
References
- http://www.ubuntu.com/usn/USN-3006-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1334303
- http://www.ubuntu.com/usn/USN-3005-1
- https://github.com/torvalds/linux/commit/92117d8443bc5afacc8d5ba82e541946310f106e
- http://www.ubuntu.com/usn/USN-3007-1
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5
- http://www.openwall.com/lists/oss-security/2016/05/06/4
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=92117d8443bc5afacc8d5ba82e541946310f106e
ADP enrichment
No English description supplied.
- http://www.ubuntu.com/usn/USN-3006-1
- https://bugzilla.redhat.com/show_bug.cgi?id=1334303
- http://www.ubuntu.com/usn/USN-3005-1
- https://github.com/torvalds/linux/commit/92117d8443bc5afacc8d5ba82e541946310f106e
- http://www.ubuntu.com/usn/USN-3007-1
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.5.5
- http://www.openwall.com/lists/oss-security/2016/05/06/4
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=92117d8443bc5afacc8d5ba82e541946310f106e