vulnwire
7.0high

CVE-2016-45581 exploit

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-…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
7.0
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.9%
percentile 59%
Public exploits
1
Exploit-DB

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.

Exploit prediction (EPSS)

0.86% probability of exploitation in the next 30 days, higher than 59% of all scored CVEs.

Exploits and detections

  • EDB-39773 Linux Kernel (Ubuntu 16.04) - Reference Count Overflow Using BPF Maps · dos · 2016-05-04

CVSS scores

Assigned byVersionScoreVector
NVD3.17.0CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD2.06.9AV:L/AC:M/Au:N/C:C/I:C/A:C

Classification

Technology feeds
Linux kernel (RSS, critical only)

References

  • ubuntu.com /usn/USN-3006-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • bugzilla.redhat.com /show_bug.cgi?id=1334303 · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-3005-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • github.com /torvalds/linux/commit/92117d8443bc5afacc8d5ba82e541946310f106e · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-3007-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • kernel.org /pub/linux/kernel/v4.x/ChangeLog-4.5.5 · x_refsource_CONFIRM, x_transferred
  • openwall.com /lists/oss-security/2016/05/06/4 · mailing-list, x_refsource_MLIST, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=92117d8443bc5afacc8d5ba82e541946310f1 · x_refsource_CONFIRM, x_transferred

Sources

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