CVE-2018-16865

An allocation of memory without limits, that could result in the stack clashing with another memory region, was discovered in systemd-journald when many entries are sent to the journal socket. A local attacker, or a remote one if systemd-journal-remote is used, may use this flaw to crash systemd-journald or execute code with journald privileges. Versions through v240 are vulnerable.

Score: CVSS 3.1 7.8 High
Status: Modified - secalert@redhat.com
Published: 2019-01-11
Last modified: 2025-06-09
Weaknesses: CWE-770

Affected products

References

http://packetstormsecurity.com/files/152841/System-Down-A-systemd-journald-Exploit.html
http://seclists.org/fulldisclosure/2019/May/21
http://www.openwall.com/lists/oss-security/2019/05/10/4
http://www.openwall.com/lists/oss-security/2021/07/20/2
http://www.securityfocus.com/bid/106525
https://access.redhat.com/errata/RHBA-2019:0327
https://access.redhat.com/errata/RHSA-2019:0049
https://access.redhat.com/errata/RHSA-2019:0204
https://access.redhat.com/errata/RHSA-2019:0271
https://access.redhat.com/errata/RHSA-2019:0342
https://access.redhat.com/errata/RHSA-2019:0361
https://access.redhat.com/errata/RHSA-2019:2402
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16865
https://lists.debian.org/debian-lts-announce/2019/01/msg00016.html
https://seclists.org/bugtraq/2019/May/25
https://security.gentoo.org/glsa/201903-07
https://security.netapp.com/advisory/ntap-20190117-0001/
https://usn.ubuntu.com/3855-1/
https://www.debian.org/security/2019/dsa-4367
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
https://www.qualys.com/2019/01/09/system-down/system-down.txt