vulnwire
5.5med

CVE-2016-2550

The Linux kernel before 4.5 allows local users to bypass file-descriptor limits and cause a denial of service (memory consumption) by lever…

Published 10 y ago · modified 4 mo ago · JSON

CVSS
5.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.5%
percentile 43%
Public exploits
0
none known

The Linux kernel before 4.5 allows local users to bypass file-descriptor limits and cause a denial of service (memory consumption) by leveraging incorrect tracking of descriptor ownership and sending each descriptor over a UNIX socket before closing it. NOTE: this vulnerability exists because of an incorrect fix for CVE-2013-4312.

Exploit prediction (EPSS)

0.51% probability of exploitation in the next 30 days, higher than 43% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.5CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD2.04.9AV:L/AC:L/Au:N/C:N/I:N/A:C

Classification

Weakness
Technology feeds
Linux kernel (RSS, critical only)

References

  • bugzilla.redhat.com /show_bug.cgi?id=1311517 · x_refsource_CONFIRM, x_transferred
  • oracle.com /technetwork/security-advisory/cpujan2018-3236628.html · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-2949-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • openwall.com /lists/oss-security/2016/02/23/2 · mailing-list, x_refsource_MLIST, x_transferred
  • debian.org /security/2016/dsa-3503 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • git.kernel.org /cgit/linux/kernel/git/torvalds/linux.git/commit/?id=415e3d3e90ce9e18727e8843ae343eda5a58f · x_refsource_CONFIRM, x_transferred
  • ubuntu.com /usn/USN-2947-3 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • ubuntu.com /usn/USN-2947-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • ubuntu.com /usn/USN-2947-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • ubuntu.com /usn/USN-2946-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • ubuntu.com /usn/USN-2948-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • ubuntu.com /usn/USN-2946-1 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • ubuntu.com /usn/USN-2948-2 · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • github.com /torvalds/linux/commit/415e3d3e90ce9e18727e8843ae343eda5a58fad6 · x_refsource_CONFIRM, x_transferred

Sources

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