Security update for systemd (important)

An update that solves two vulnerabilities and has 12 fixes
is now available.

Description:

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
  • bash-completion: systemctl: add missing options and verbs
  • bash-completion: use the first argument instead of the global variable
    (#6457)

• networkd: VXLan Make group and remote variable separate (bsc#1156213)

• networkd: vxlan require Remote= to be a non multicast address (#8117)
  (bsc#1156213)

• fs-util: let’s avoid unnecessary strerror()

• fs-util: introduce inotify_add_watch_and_warn() helper

• ask-password: improve log message when inotify limit is reached
  (bsc#1155574)

• shared/install: failing with -ELOOP can be due to the use of an alias in
  install_error() (bsc#1151377)

• man: alias names can’t be used with enable command (bsc#1151377)

• Add boot option to not use swap at system start (jsc#SLE-7689)

• Allow YaST to select Iranian (Persian, Farsi) keyboard layout
  (bsc#1092920)

This update was imported from the SUSE:SLE-15:Update update project.

Patch Instructions:

To install this openSUSE Security Update use the SUSE recommended installation methods
like YaST online_update or “zypper patch”.

Alternatively you can run the command listed for your product:

• openSUSE Leap 15.1:

  zypper in -t patch openSUSE-2020-208=1