Medium severity · published Oct 13, 2016
CVE-2016-7796
The manager_dispatch_notify_fd function in systemd allows local users to cause a denial of service (system hang) via a zero-length message received over a notify socket, which…
5.5
CVSS
0.9%
EPSS
No
On KEV
Description
The manager_dispatch_notify_fd function in systemd allows local users to cause a denial of service (system hang) via a zero-length message received over a notify socket, which causes an error to be returned and the notification handler to be disabled.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 58% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux Desktop · Redhat
7.0 · source: NVD
EL
Enterprise Linux Hpc Node · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Workstation · Redhat
7.0 · source: NVD
SL
Suse Linux Enterprise Desktop · Novell
12 · source: NVD
SL
Suse Linux Enterprise Server · Novell
12.0; 12.0 · source: NVD
SL
Suse Linux Enterprise Server For Sap · Novell
12.0 · source: NVD
SL
Suse Linux Enterprise Software Development Kit · Novell
12.0 · source: NVD
SY
Systemd · Systemd Project
209; 213; 214; 229 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-7796
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-7796
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00015.html
Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2016-10/msg00016.html
rhn.redhat.com
http://rhn.redhat.com/errata/RHSA-2017-0003.html
Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/09/30/1
Third Party Advisory
http://www.securityfocus.com/bid/93250
www.securitytracker.com
http://www.securitytracker.com/id/1037320
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