SUSE-SU-2020:0335-1

This update for systemd fixes the following issues:

• CVE-2020-1712 (bsc#bsc#1162108) Fix a heap use-after-free vulnerability, when asynchronous Polkit queries were performed while handling Dbus messages. A local unprivileged attacker could have abused this flaw to crash systemd services or potentially execute code and elevate their privileges, by sending specially crafted Dbus messages.

• Use suse.pool.ntp.org server pool on SLE distros (jsc#SLE-7683)

• libblkid: open device in nonblock mode. (bsc#1084671)

• udev/cdrom_id: Do not open CD-rom in exclusive mode. (bsc#1154256)

• bus_open leak sd_event_source when udevadm trigger。 (bsc#1161436 CVE-2019-20386)

• fileio: introduce read_full_virtual_file() for reading virtual files in sysfs, procfs (bsc#1133495 bsc#1159814)

• fileio: initialize errno to zero before we do fread()

• fileio: try to read one byte too much in read_full_stream()

• logind: consider 'greeter' sessions suitable as 'display' sessions of a user (bsc#1158485)

• logind: never elect a session that is stopping as display

• journal: include kmsg lines from the systemd process which exec()d us (#8078)

• udevd: don't use monitor after manager_exit()

• udevd: capitalize log messages in on_sigchld()

• udevd: merge conditions to decrease indentation

• Revert 'udevd: fix crash when workers time out after exit is signal caught'

• core: fragments of masked units ought not be considered for NeedDaemonReload (#7060) (bsc#1156482)

• udevd: fix crash when workers time out after exit is signal caught

• udevd: wait for workers to finish when exiting (bsc#1106383)

• Improve bash completion support (bsc#1155207)

  • shell-completion: systemctl: do not list template units in {re,}start
  • shell-completion: systemctl: pass current word to all list_unit*
  • bash-completion: systemctl: pass current partial unit to list-unit* (bsc#1155207)
  • bash-completion: systemctl: use systemctl --no-pager
  • bash-completion: also suggest template unit files *...