This bug was fixed in the package systemd - 239-7ubuntu10.6
---------------
systemd (239-7ubuntu10.6) cosmic-security; urgency=medium
* SECURITY UPDATE: memory corruption in journald via attacker controlled
alloca
- debian/patches/CVE-2018-16864.patch: journald: do not store the iovec
entry for process commandline on the stack
- CVE-2018-16864
* SECURITY UPDATE: memory corruption in journald via attacker controlled
alloca
- debian/patches/CVE-2018-16865_1.patch: journald: set a limit on the
number of fields (1k)
- debian/patches/CVE-2018-16865_2.patch: journal-remote: set a limit on the
number of fields in a message
- CVE-2018-16865
* SECURITY UPDATE: out-of-bounds read in journald
- debian/patches/CVE-2018-16866.patch: journal: fix
syslog_parse_identifier()
- CVE-2018-16866
* Fix LP: #1804603 - btrfs-util: unbreak tmpfiles' subvol creation
- add debian/patches/btrfs-util-unbreak-tmpfiles-subvol-creation.patch
- update debian/patches/series
* Fix LP: #1804864 - test: Set executable bits on TEST-22-TMPFILES shell
scripts
- add
debian/patches/test-Set-executable-bits-on-TEST-22-TMPFILES-shell-script.patch
- update debian/patches/series
-- Chris Coulson <chris.coul...@canonical.com> Wed, 09 Jan 2019
14:37:15 +0000
** Changed in: systemd (Ubuntu Cosmic)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1804603
Title:
systemd-tmpfiles-setup.service fails on btrfs
Status in systemd package in Ubuntu:
Fix Released
Status in systemd source package in Bionic:
Fix Released
Status in systemd source package in Cosmic:
Fix Released
Status in systemd source package in Disco:
Fix Released
Bug description:
[Impact]
* Last security update introduced a regression on btrfs based systems,
causing systemd-tmpfiles-setup.service to fail to start, resulting in degraded
machines.
* Cherrypick upstream fixes to resolve this.
[Test Case]
* Install VM using btrfs for /
* Boot, check that systemd-tmpfiles-setup.service is started successfully
with:
$ systemctl status systemd-tmpfiles-setup.service
[Regression Potential]
* btrfs fd doesn't support the set of flags that systemd used, with
this patch, a compat set of flags is set instead, thus resolving the
introduced regression. The worst case scenario is that creating
subvolumes/directories is still broken (as in, the current status
quo).
[Other Info]
* Example bad output
After update to systemd 237-3ubuntu10.9 systemd-tmpfiles-setup.service fails
with:
Nov 21 13:44:12 node-blc49 systemd[1]: Starting Create Volatile Files and
Directories...
Nov 21 13:44:12 node-blc49 systemd-tmpfiles[1226]: Failed to create directory
or subvolume "/var": Bad file descriptor
Nov 21 13:44:12 node-blc49 systemd-tmpfiles[1226]: Failed to create directory
or subvolume "/home": Bad file descriptor
Nov 21 13:44:12 node-blc49 systemd-tmpfiles[1226]: Failed to create directory
or subvolume "/srv": Bad file descriptor
Nov 21 13:44:12 node-blc49 systemd[1]: systemd-tmpfiles-setup.service: Main
process exited, code=exited, status=1/FAILURE
Nov 21 13:44:12 node-blc49 systemd[1]: systemd-tmpfiles-setup.service: Failed
with result 'exit-code'.
Nov 21 13:44:12 node-blc49 systemd[1]: Failed to start Create Volatile Files
and Directories.
This happens on btrfs root filesystems in real hardware and on our
virtualized servers as well. 237-3ubuntu10.6 didnt show this errors
and going back to 237-3ubuntu10 removes them as well.
# lsb_release -rd
Description: Ubuntu 18.04.1 LTS
Release: 18.04
# apt-cache policy systemd
systemd:
Installiert: 237-3ubuntu10.9
Installationskandidat: 237-3ubuntu10.9
Versionstabelle:
*** 237-3ubuntu10.9 500
500 http://de.archive.ubuntu.com/ubuntu bionic-updates/main amd64
Packages
500 http://security.ubuntu.com/ubuntu bionic-security/main amd64
Packages
100 /var/lib/dpkg/status
237-3ubuntu10 500
500 http://de.archive.ubuntu.com/ubuntu bionic/main amd64 Packages
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