vulnerability

SUSE: CVE-2019-6454: SUSE Linux Security Advisory

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Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
Feb 19, 2019
Added
Feb 19, 2019
Modified
Feb 4, 2022

Description

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).

Solutions

suse-upgrade-libgudev-1_0-0suse-upgrade-libgudev-1_0-0-32bitsuse-upgrade-libgudev-1_0-develsuse-upgrade-libsystemd0suse-upgrade-libsystemd0-32bitsuse-upgrade-libsystemd0-minisuse-upgrade-libudev-develsuse-upgrade-libudev-devel-32bitsuse-upgrade-libudev-mini-develsuse-upgrade-libudev-mini1suse-upgrade-libudev1suse-upgrade-libudev1-32bitsuse-upgrade-nss-myhostnamesuse-upgrade-nss-myhostname-32bitsuse-upgrade-nss-mymachinessuse-upgrade-nss-mymachines-32bitsuse-upgrade-nss-systemdsuse-upgrade-systemdsuse-upgrade-systemd-32bitsuse-upgrade-systemd-bash-completionsuse-upgrade-systemd-containersuse-upgrade-systemd-coredumpsuse-upgrade-systemd-develsuse-upgrade-systemd-docsuse-upgrade-systemd-journal-remotesuse-upgrade-systemd-langsuse-upgrade-systemd-loggersuse-upgrade-systemd-minisuse-upgrade-systemd-mini-bash-completionsuse-upgrade-systemd-mini-container-minisuse-upgrade-systemd-mini-coredump-minisuse-upgrade-systemd-mini-develsuse-upgrade-systemd-mini-sysvinitsuse-upgrade-systemd-sysvinitsuse-upgrade-typelib-1_0-gudev-1_0suse-upgrade-udevsuse-upgrade-udev-mini

References

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