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.

CVSS v3.1

7.0 HIGHCVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS v2.0

6.9 MEDIUMAV:L/AC:M/Au:N/C:C/I:C/A:C

EPSS

0.86% chance of exploitation in the next 30 days, 56th percentile

Published

2016-05-23

Updated

2024-08-06

ExploitDB entries (1)

• https://www.exploit-db.com/exploits/39773

References

• CVE Record
• NVD entry

Related

• CVE-2016-4557
• CVE-2016-4566
• CVE-2016-4544
• CVE-2016-4567
• CVE-2016-4535
• CVE-2016-4578