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Fedora 39: FEDORA-2024-9205c35b11 Critical: Stalld Service Update

fedora
Calendar Grey May 4, 2024
Dist Fedora Esm H88
Fedora 39 has introduced a thorough update improving service startup processes, facilitating smoother boots and enhancing system reliability while addressing security issues
address issues found in Static Application Security testing Fix a service startup issue Fix file open issue when kernel lockdown is in effect

Summary

The stalld program monitors the set of system threads,

looking for threads that are ready-to-run but have not

been given processor time for some threshold period.

When a starving thread is found, it is given a temporary

boost using the SCHED_DEADLINE policy. The default is to

allow 10 microseconds of runtime for 1 second of clock time.

Update Information:

address issues found in Static Application Security testing Fix a service startup issue Fix file open issue when kernel lockdown is in effect

Topics%20covered

Topics Covered

security advisory critical static analysis service startup stall daemon

Change Log

* Wed Apr 24 2024 Clark Williams - 1.19.2 - Make fill_process_comm() open comm file as READ_ONLY - throttlectl.sh: use legal value for exit on fail - stalld: free malloc'd buffer on function exit - throttling.c: null terminate input buffer - stalld.conf: Fix stalld service start fail - Conditionalize BPF and queue_track build per architecture - clean up Makefile install logic and add .bz2 to .gitignore - modify Makefiles so install works with relative paths - rename 'redhat' to 'systemd' and remove redhat packaging logic - update SPDX tags to non-deprecated values - stalld: Add -a/--affinity option - Adding SPDX license info to each file - man/stalld.8: change starving threshold to match code - utils: Fix freeing of invalid pointer - add bpftool as BuildRequires

References

Fedora Update Notification FEDORA-2024-9205c35b11 2024-05-04 01:32:09.336994 Name : stalld Product : Fedora 39 Version : 1.19.2 Release : 1.fc39 URL : Summary : Daemon that finds starving tasks and gives them a temporary boost Description : The stalld program monitors the set of system threads, looking for threads that are ready-to-run but have not been given processor time for some threshold period. When a starving thread is found, it is given a temporary boost using the SCHED_DEADLINE policy. The default is to allow 10 microseconds of runtime for 1 second of clock time.

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2024-9205c35b11' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
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Name: stalld
Product: Fedora 39
Version: 1.19.2
Release: 1.fc39
URL:
Summary: Daemon that finds starving tasks and gives them a temporary boost

Topics%20covered

Topics Covered

security advisory critical static analysis service startup stall daemon

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