vulnerability
Arch Linux: Denial of service (CVE-2019-6454)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:L/AC:L/Au:N/C:N/I:N/A:C) | Mar 17, 2019 | Jul 11, 2025 | Nov 27, 2025 |
Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
Mar 17, 2019
Added
Jul 11, 2025
Modified
Nov 27, 2025
Description
It was found that bus_process_object() in bus-objects.c allocates a buffer on the stack large enough to temporarily store the object path specified in the incoming message. A malicious unprivileged local user to send a message which results in the stack pointer moving outside of the bounds of the currently mapped stack region, jumping over the stack guard pages. A specifically crafted DBUS message could crash PID 1 and result in a subsequent kernel panic.
Solution
arch-linux-upgrade-latest
References
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