Bug 2450273
| Summary: | CVE-2026-23554 xen: Xen: Information disclosure and potential privilege escalation via use-after-free in EPT paging [fedora-all] | ||
|---|---|---|---|
| Product: | [Fedora] Fedora | Reporter: | Alexander B <abushkin> |
| Component: | xen | Assignee: | Michael Young <m.a.young> |
| Status: | ON_QA --- | QA Contact: | Fedora Extras Quality Assurance <extras-qa> |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | rawhide | CC: | jforbes, m.a.young |
| Target Milestone: | --- | Keywords: | Security, SecurityTracking |
| Target Release: | --- | ||
| Hardware: | Unspecified | ||
| OS: | Unspecified | ||
| Whiteboard: | {"flaws": ["b582e730-229d-4266-bdba-3661c0075838"]} | ||
| Fixed In Version: | Doc Type: | --- | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 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: | 2450243 | ||
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Description
Alexander B
2026-03-23 09:36:52 UTC
FEDORA-2026-5ee06b864d (xen-4.21.0-5.fc44) has been submitted as an update to Fedora 44. https://bodhi.fedoraproject.org/updates/FEDORA-2026-5ee06b864d FEDORA-2026-f4371b21f0 (xen-4.19.4-3.fc42) has been submitted as an update to Fedora 42. https://bodhi.fedoraproject.org/updates/FEDORA-2026-f4371b21f0 FEDORA-2026-f884fd0313 has been pushed to the Fedora 44 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-f884fd0313` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-f884fd0313 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates. FEDORA-2026-f04da48123 has been pushed to the Fedora 42 testing repository. Soon you'll be able to install the update with the following command: `sudo dnf upgrade --enablerepo=updates-testing --refresh --advisory=FEDORA-2026-f04da48123` You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-f04da48123 See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates. |