Description
Slurm 19.05.x before 19.05.7 and 20.02.x before 20.02.3, in the rare case where Message Aggregation is enabled, allows Authentication Bypass via an Alternate Path or Channel. A race condition allows a user to launch a process as an arbitrary user.
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 10 | slurm-llnl | 18.08.5.2-1+deb10u2 | DSA-4841-1 |
| Debian 9 | slurm-llnl | 16.05.9-1+deb9u5 | DLA-2886-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | slurm-llnl | 19.05.5-1ubuntu0.1~esm1 | USN-4781-1 |
| Ubuntu Pro 18.04 LTS | slurm-llnl | 17.11.2-1ubuntu0.1~esm4 | USN-4781-1 |
| Ubuntu Pro 16.04 LTS | slurm-llnl | 15.08.7-1ubuntu0.1~esm4 | USN-4781-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | slurm-llnl | 2.6.5-1ubuntu0.1~esm5 | USN-4781-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | slurm | 17.11.13-6.31.1 | SUSE-SU-2020:2602-1, SUSE-SU-2020:2598-1 |
| SLES 15 SP1 | slurm_20_02 | 20.02.3-3.8.1 | SUSE-SU-2020:1554-1 |
| SLES 12 | pdsh +1 | 2.34-7.32.1 | SUSE-SU-2021:0773-1 |
| SLES 12 | pdsh_slurm_18_08 +1 | 2.34-7.26.2 | SUSE-SU-2021:0773-1, SUSE-SU-2020:2607-1 |
| SLES 12 | slurm | 17.02.11-6.44.1 | SUSE-SU-2020:2601-1 |
| SLES 12 | slurm_18_08 | 18.08.9-3.8.1 | SUSE-SU-2020:2600-1 |
| SLES 12 | slurm_20_02 | 20.02.3-3.5.1 | SUSE-SU-2020:2607-1 |
| SLES 12 | slurm_20_11 | 20.11.4-3.5.1 | SUSE-SU-2021:0773-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLE HPC 15 | slurm | 17.11.13-6.31.1 | SUSE-SU-2020:2602-1 |
| SLE HPC 15 | slurm_18_08 | 18.08.9-1.8.2 | SUSE-SU-2020:2599-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | slurm | 21.08.1-1.1 | openSUSE-SU-2024:11389-1 |
| openSUSE Leap 15.2 | slurm | 18.08.9-lp152.2.1 | openSUSE-SU-2020:1468-1 |
| openSUSE Leap 15.1 | slurm | 18.08.9-lp151.2.1 | openSUSE-SU-2020:1969-1, openSUSE-SU-2020:1421-1 |
Advisories 15
- USN-4781-1 slurm-llnl vulnerabilities Ubuntu Security Notices (USN) · Jun 29, 2026
- DSA-4841-1 slurm-llnl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2886-1 slurm-llnl - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:11389-1 libnss_slurm2-21.08.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2600-1 Security update for slurm_18_08 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2607-1 Security update for pdsh, slurm_20_02 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2599-1 Security update for slurm_18_08 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1468-1 Security update for slurm_18_08 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2601-1 Security update for slurm SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:1554-1 Security update for slurm_20_02 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2598-1 Security update for slurm SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0773-1 Security update for slurm_20_11 and pdsh SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1969-1 Security update for slurm_18_08 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1421-1 Security update for slurm SUSE / openSUSE Security Updates · May 7, 2025
- SUSE-SU-2020:2602-1 Security update for slurm SUSE / openSUSE Security Updates · May 2, 2025
References
- https://www.schedmd.com/news.php?id=236
- https://lists.schedmd.com/pipermail/slurm-announce/2020/000036.html
- FEDORA-2020-e95ef17134 vendor-advisory
- FEDORA-2020-11d0cf302f vendor-advisory
- openSUSE-SU-2020:1421 vendor-advisory
- openSUSE-SU-2020:1468 vendor-advisory
- DSA-4841 vendor-advisory
- [debian-lts-announce] 20220117 [SECURITY] [DLA 2886-1] slurm-llnl security update mailing-list