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Fedora 42 rust-scx_rustland Important CVE-2026-33056 Security Update

fedora
Calendar Grey April 2, 2026
Dist Fedora Esm H88
Important update for Fedora 42 addresses CVE-2026-33056 affecting rust-scx_rustland. Apply it promptly.
Rebuilt with rust-tar 0.4.45 for CVE-2026-33056

Summary

A BPF component (dispatcher) that implements the low level

sched-ext functionalities and a user-space counterpart (scheduler),

written in Rust, that implements the actual scheduling policy.

This is used within sched_ext, which is a Linux kernel feature

which enables implementing kernel thread schedulers in BPF and

dynamically loading them.

https://github.com/sched-ext/scx/tree/main

Update Information:

Rebuilt with rust-tar 0.4.45 for CVE-2026-33056

Change Log

* Mon Mar 23 2026 Benjamin A. Beasley - 0.0.3-8 - Rebuilt with rust-tar 0.4.45 for CVE-2026-33056 - Update License based on a current Rawhide build

References

Fedora Update Notification FEDORA-2026-3e4a2ef21b 2026-04-02 00:43:07.039669+00:00 Name : rust-scx_rustland Product : Fedora 42 Version : 0.0.3 Release : 8.fc42 URL : https://crates.io/crates/scx_rustland Summary : A simple user-space scheduler written in Rust Description : A BPF component (dispatcher) that implements the low level sched-ext functionalities and a user-space counterpart (scheduler), written in Rust, that implements the actual scheduling policy. This is used within sched_ext, which is a Linux kernel feature which enables implementing kernel thread schedulers in BPF and dynamically loading them. https://github.com/sched-ext/scx/tree/main

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-3e4a2ef21b' 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
important
Lowest
Low
Medium
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Critical

Name: rust-scx_rustland
Product: Fedora 42
Version: 0.0.3
Release: 8.fc42
Summary: A simple user-space scheduler written in Rust

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