Description
Slurm before 19.05.8 and 20.x before 20.02.6 exposes Sensitive Information to an Unauthorized Actor because xauth for X11 magic cookies is affected by a race condition in a read operation on the /proc filesystem.
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 |
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 SP2 | slurm | 20.02.6-3.3.4 | SUSE-SU-2020:3506-1 |
| SLES 15 SP1 | slurm | 17.11.13-6.34.1 | SUSE-SU-2020:3878-1, SUSE-SU-2020:3505-1 |
| SLES 15 SP1 | slurm_20_02 | 20.02.6-3.16.1 | SUSE-SU-2021:0139-1 |
| SLES 12 | pdsh +3 | 2.34-7.32.1 | SUSE-SU-2021:0773-1 |
| SLES 12 | slurm_18_08 | 18.08.9-3.11.1 | SUSE-SU-2020:3863-1 |
| SLES 12 | slurm_20_02 | 20.02.6-3.8.1 | SUSE-SU-2020:3892-1 |
| 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 | 17.11.13-6.34.1 | SUSE-SU-2020:3878-1 |
| SLE HPC 15 | slurm_18_08 | 18.08.9-1.11.1 | SUSE-SU-2020:3877-1 |
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-lp152.5.1 | openSUSE-SU-2021:0096-1, openSUSE-SU-2020:2056-1 |
| openSUSE Leap 15.1 | slurm | 18.08.9-lp151.2.14.1 | openSUSE-SU-2020:2286-1, openSUSE-SU-2020:2033-1 |
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
- openSUSE-SU-2024:11389-1 libnss_slurm2-21.08.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:2056-1 Security update for slurm SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0096-1 Security update for slurm_18_08 SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:2033-1 Security update for slurm SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3878-1 Security update for slurm_17_11 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3506-1 Security update for slurm SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3505-1 Security update for slurm SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3892-1 Security update for slurm_20_02 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3863-1 Security update for slurm_18_08 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-2020:2286-1 Security update for slurm_18_08 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:3877-1 Security update for slurm_18_08 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2021:0139-1 Security update for slurm_20_02 SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://www.schedmd.com/news.php
- DSA-4841 vendor-advisory