CVE-2016-7796
Summary
| CVE | CVE-2016-7796 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2016-10-13 14:59:00 UTC |
| Updated | 2023-09-12 14:45:00 UTC |
| 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. |
Risk And Classification
Problem Types: CWE-20
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Novell | Suse Linux Enterprise Desktop | 12 | sp1 | All | All |
| Operating System | Novell | Suse Linux Enterprise Desktop | 12 | sp1 | All | All |
| Operating System | Novell | Suse Linux Enterprise Server | 12.0 | All | All | All |
| Operating System | Novell | Suse Linux Enterprise Server | 12.0 | sp1 | All | All |
| Operating System | Novell | Suse Linux Enterprise Server | 12.0 | All | All | All |
| Operating System | Novell | Suse Linux Enterprise Server | 12.0 | sp1 | All | All |
| Operating System | Novell | Suse Linux Enterprise Server For Sap | 12.0 | All | All | All |
| Operating System | Novell | Suse Linux Enterprise Server For Sap | 12.0 | All | All | All |
| Application | Novell | Suse Linux Enterprise Software Development Kit | 12.0 | sp1 | All | All |
| Operating System | Novell | Suse Linux Enterprise Software Development Kit | 12.0 | sp1 | All | All |
| Operating System | Novell | Suse Linux Enterprise Software Development Kit | 12.0 | sp1 | All | All |
| Operating System | Redhat | Enterprise Linux Desktop | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Desktop | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Hpc Node | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Hpc Node | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Server | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Workstation | 7.0 | All | All | All |
| Operating System | Redhat | Enterprise Linux Workstation | 7.0 | All | All | All |
| Application | Systemd Project | Systemd | 209 | All | All | All |
| Application | Systemd Project | Systemd | 213 | All | All | All |
| Application | Systemd Project | Systemd | 214 | All | All | All |
| Application | Systemd Project | Systemd | 229 | All | All | All |
| Application | Systemd Project | Systemd | 209 | All | All | All |
| Application | Systemd Project | Systemd | 213 | All | All | All |
| Application | Systemd Project | Systemd | 214 | All | All | All |
| Application | Systemd Project | Systemd | 229 | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| Red Hat Customer Portal | REDHAT | rhn.redhat.com | Third Party Advisory |
| How to Crash Systemd in One Tweet | MISC | www.agwa.name | Exploit, Technical Description, Third Party Advisory |
| oss-security - Re: CVE Request: systemd v209+: local denial-of-service attack | MLIST | www.openwall.com | Third Party Advisory |
| [security-announce] SUSE-SU-2016:2475-1: important: Security update for | SUSE | lists.opensuse.org | Third Party Advisory |
| systemd Zero-Length Notification Processing Flaw Lets Local Users Cause Denial of Service Conditions - SecurityTracker | SECTRACK | www.securitytracker.com | |
| Assertion failure when PID 1 receives a zero-length message over notify socket · Issue #4234 · systemd/systemd · GitHub | CONFIRM | github.com | Exploit, Patch, Vendor Advisory |
| [security-announce] SUSE-SU-2016:2476-1: important: Security update for | SUSE | lists.opensuse.org | Third Party Advisory |
| Bug 1381911 – CVE-2016-7796 systemd: freeze when PID 1 receives a zero-length message over notify socket | CONFIRM | bugzilla.redhat.com | Issue Tracking, Third Party Advisory, VDB Entry |
| Red Hat Customer Portal | REDHAT | rhn.redhat.com | |
| systemd CVE-2016-7796 Local Denial of Service Vulnerability | BID | www.securityfocus.com | Third Party Advisory |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.