Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2019-6454

An issue was discovered in sd-bus in systemd 239. bus_process_object() in libsystemd/sd-bus/bus-objects.c allocates a variable-length stack buffer for temporarily storing the object path of incoming D-Bus messages. An unprivileged local user can exploit this by sending a specially crafted message to PID1, causing the stack pointer to jump over the stack guard pages into an unmapped memory region and trigger a denial of service (systemd PID1 crash and kernel panic).
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 28.1%
CVSS Severity
CVSS v3 Score 5.5
CVSS v2 Score 4.9
References
Products affected by CVE-2019-6454


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