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

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

Severity
5
CVSS
(AV:L/AC:L/Au:N/C:N/I:N/A:C)
Published
02/19/2019
Created
03/19/2019
Added
02/19/2019
Modified
02/04/2022

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).

Solution(s)

  • suse-upgrade-libgudev-1_0-0
  • suse-upgrade-libgudev-1_0-0-32bit
  • suse-upgrade-libgudev-1_0-devel
  • suse-upgrade-libsystemd0
  • suse-upgrade-libsystemd0-32bit
  • suse-upgrade-libsystemd0-mini
  • suse-upgrade-libudev-devel
  • suse-upgrade-libudev-devel-32bit
  • suse-upgrade-libudev-mini-devel
  • suse-upgrade-libudev-mini1
  • suse-upgrade-libudev1
  • suse-upgrade-libudev1-32bit
  • suse-upgrade-nss-myhostname
  • suse-upgrade-nss-myhostname-32bit
  • suse-upgrade-nss-mymachines
  • suse-upgrade-nss-mymachines-32bit
  • suse-upgrade-nss-systemd
  • suse-upgrade-systemd
  • suse-upgrade-systemd-32bit
  • suse-upgrade-systemd-bash-completion
  • suse-upgrade-systemd-container
  • suse-upgrade-systemd-coredump
  • suse-upgrade-systemd-devel
  • suse-upgrade-systemd-doc
  • suse-upgrade-systemd-journal-remote
  • suse-upgrade-systemd-lang
  • suse-upgrade-systemd-logger
  • suse-upgrade-systemd-mini
  • suse-upgrade-systemd-mini-bash-completion
  • suse-upgrade-systemd-mini-container-mini
  • suse-upgrade-systemd-mini-coredump-mini
  • suse-upgrade-systemd-mini-devel
  • suse-upgrade-systemd-mini-sysvinit
  • suse-upgrade-systemd-sysvinit
  • suse-upgrade-typelib-1_0-gudev-1_0
  • suse-upgrade-udev
  • suse-upgrade-udev-mini

References

  • SUSE-SU-2019:0424-1
  • SUSE-SU-2019:0425-1
  • SUSE-SU-2019:0425-2
  • SUSE-SU-2019:0426-1
  • SUSE-SU-2019:1265-1
  • SUSE-SU-2019:1364-1
  • SUSE-SU-2019:1364-2
  • USN-3891-1
  • CVE-2019-6454
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