Vulnerability in Linux Kernel
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 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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.005 (40.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 40.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi
- www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
- www.ubuntu.com/usn/USN-2949-1 (vendor-advisory)
- www.openwall.com/lists/oss-security/2016/02/23/2 (mailing-list)
- www.debian.org/security/2016/dsa-3503 (vendor-advisory)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/ (Vendor Advisory)
- www.ubuntu.com/usn/USN-2947-3 (vendor-advisory)
- www.ubuntu.com/usn/USN-2947-2 (vendor-advisory)
- www.ubuntu.com/usn/USN-2947-1 (vendor-advisory)
- www.ubuntu.com/usn/USN-2946-2 (vendor-advisory)
Frequently asked questions
- What is CVE-2016-2550?
- CVE-2016-2550 is a medium-severity vulnerability in Linux Kernel, classified under CWE-399. CVSS score: 5.5/10. Published 2016-04-27.
- How severe is CVE-2016-2550?
- Medium severity. CVSS v3 base score is 5.5 out of 10.