CVE-2019-3844

It was discovered that a systemd service that uses DynamicUser property can get new privileges through the execution of SUID binaries, which would allow to create binaries owned by the service transient group with the setgid bit set. A local attacker may use this flaw to access resources that will be owned by a potentially different service in the future, when the GID will be recycled.

• CWE-268

• http://www.securityfocus.com/bid/108096Third Party Advisory, VDB Entry
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3844Issue Tracking, Patch, Third Party Advisory
• https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
• https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
• https://security.netapp.com/advisory/ntap-20190619-0002/Third Party Advisory
• https://usn.ubuntu.com/4269-1/Third Party Advisory
• http://www.securityfocus.com/bid/108096Third Party Advisory, VDB Entry
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3844Issue Tracking, Patch, Third Party Advisory
• https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
• https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E
• https://security.netapp.com/advisory/ntap-20190619-0002/Third Party Advisory
• https://usn.ubuntu.com/4269-1/Third Party Advisory

Published

Apr 26, 2019

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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