CVE-2016-2779: kernel util-linux
CVSS: 7.8v3.0HighModified
AliasesUBUNTU-CVE-2016-2779DEBIAN-CVE-2016-2779
Published 07-02-2017Last modified 05-08-2024
Vulnerability summary
CVE-2016-2779 is a high (CVSS 7.8) vulnerability in kernel util-linux. EPSS estimates a 0.39% chance of exploitation in the next 30 days, higher than 31% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.0 (NVD)EPSS score
0.39%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 07-02-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
runuser in util-linux allows local users to escape to the parent session via a crafted TIOCSTI ioctl call, which pushes characters to the terminal's input buffer.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
High 7.2Preferred score · NVD (NIST)
AV:L/AC:L/Au:N/C:C/I:C/A:CSourcesSingle source
EPSS trend
Probability
0.39%
Chance of exploitation in the next 30 days
Percentile
31%
Versus all other CVEs
30-day change
0.00 pp
From 0.39% on 18-09-2026
18-09-202618-10-2026
EPSS score0.39%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Debian1 product
- util-linux< 2.31.1-0.1
Kernel1 product
- util-linux2.24.2-1
Ubuntu1 product
- util-linuxAll versions (No fix recorded)
3 vendors · 3 products
References
9 links
- www.openwall.com/lists/oss-security/2016/02/27/1Mailing ListX Refsource MLISTThird Party AdvisoryREPORT