Description
libcgroup up to and including 0.41 creates /var/log/cgred with mode 0666 regardless of the configured umask, leading to disclosure of information.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | libcgroup | 0.41-8.1 | — |
| Debian 13 | libcgroup | 0.41-8.1 | — |
| Debian 12 | libcgroup | 0.41-8.1 | — |
| Debian 8 | libcgroup | 0.41-6+deb8u1 | DLA-1472-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | libcgroup | 0.41-8ubuntu2+esm1 | USN-4845-1 |
| Ubuntu Pro 16.04 LTS | libcgroup | 0.41-7ubuntu1+esm1 | USN-4845-1 |
| Ubuntu Pro 14.04 LTS | libcgroup | 0.38-1ubuntu2+esm1 | USN-4845-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 7 | libcgroup +3 | 0.41-21.el7 | RHSA-2019:2047 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | libcgroup | 0.41.rc1-10.3.1 | SUSE-SU-2018:2468-1, SUSE-SU-2018:2143-1 |
| SLES 11 SP4 | libcgroup1 | 0.41.rc1-7.1 | SUSE-SU-2018:2142-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | libcgroup | 0.41.rc1-10.3.1 | SUSE-SU-2018:2468-1, SUSE-SU-2018:2143-1 |
| SLES for SAP 11 SP4 | libcgroup1 | 0.41.rc1-7.1 | SUSE-SU-2018:2142-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | libcgroup +3 | 0.41-21.amzn2 | ALAS2-2019-1336 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 2 (CBL-Mariner) | libcgroup | 0.41-23 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 7 | libcgroup +3 | 0.41-21.el7 | ELSA-2019-2047 |
Advisories 10
- WID-SEC-2022-0517 Red Hat Enterprise Linux: Mehrere Schwachstellen BSI CERT-Bund (WID) · Oct 18, 2026
- USN-4845-1 libcgroup vulnerability Ubuntu Security Notices (USN) · Jun 29, 2026
- RHSA-2019:2047 Red Hat Security Advisory: libcgroup security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DLA-1472-1 libcgroup - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2018:2143-1 Security update for libcgroup SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2468-1 Security update for libcgroup SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:2142-1 Security update for libcgroup1 SUSE / openSUSE Security Updates · May 2, 2025
- WID-SEC-2023-1969 HPE Fabric OS: Mehrere Schwachstellen ermöglichen Privilegieneskalation BSI CERT-Bund (WID) · Aug 6, 2023
- ALAS2-2019-1336 Moderate: libcgroup security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Oct 24, 2019
- ELSA-2019-2047 Moderate: libcgroup security update (Oracle Linux 7) Oracle Linux Security Advisories (ELSA) · Aug 13, 2019
References
- https://bugzilla.suse.com/show_bug.cgi?id=1100365
- FEDORA-2018-f6adf1cb62 vendor-advisory
- https://sourceforge.net/p/libcg/libcg/ci/0d88b73d189ea3440ccaab00418d6469f76fa590/
- openSUSE-SU-2018:2241 vendor-advisory
- [debian-lts-announce] 20180820 [SECURITY] [DLA 1472-1] libcgroup security update mailing-list
- RHSA-2019:2047 vendor-advisory