Description
remctld in remctl before 3.14, when an attacker is authorized to execute a command that uses the sudo option, has a use-after-free that leads to a daemon crash, memory corruption, or arbitrary command execution.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | remctl | remctl | — |
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 | remctl | 3.14-1 | — |
| Debian 13 | remctl | 3.14-1 | — |
| Debian 12 | remctl | 3.14-1 | — |
| Debian 9 | remctl | 3.13-1+deb9u1 | DSA-4159-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | remctl | 3.13-1+deb9u1 | — |
| Ubuntu 16.04 LTS | remctl | No fix yet | — |
Advisories 1
- DSA-4159-1 remctl - security update Debian Security (DSA / DLA) · Mar 9, 2026