Bug 2452163

Summary: CVE-2026-30892 crun: crun: Privilege escalation due to incorrect parsing of the `--user` option [fedora-43]
Product: [Fedora] Fedora Reporter: Vipul Nair <vinair>
Component: crunAssignee: Giuseppe Scrivano <gscrivan>
Status: CLOSED ERRATA QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: 43CC: gscrivan, lsm5, nsella, pehunt, pholzing
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["546ab538-aa7c-47c9-8cfb-dfcd07d61660"]}
Fixed In Version: crun-1.27-1.fc43 Doc Type: ---
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2026-04-02 01:06:24 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2451576    

Description Vipul Nair 2026-03-27 07:57:54 UTC
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.

Comment 1 Fedora Update System 2026-03-27 09:40:34 UTC
FEDORA-2026-4747ff73a3 (crun-1.27-1.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-4747ff73a3

Comment 2 Fedora Update System 2026-04-02 01:06:24 UTC
FEDORA-2026-4747ff73a3 (crun-1.27-1.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.