Bug 2450273 - CVE-2026-23554 xen: Xen: Information disclosure and potential privilege escalation via use-after-free in EPT paging [fedora-all]
Summary: CVE-2026-23554 xen: Xen: Information disclosure and potential privilege escal...
Keywords:
Status: ON_QA
Alias: None
Product: Fedora
Classification: Fedora
Component: xen
Version: rawhide
Hardware: Unspecified
OS: Unspecified
high
high
Target Milestone: ---
Assignee: Michael Young
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["b582e730-229d-4266-bdba-3...
Depends On:
Blocks: CVE-2026-23554
TreeView+ depends on / blocked
 
Reported: 2026-03-23 09:36 UTC by Alexander B
Modified: 2026-03-28 02:17 UTC (History)
2 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Type: ---
Embargoed:


Attachments (Terms of Use)

Description Alexander B 2026-03-23 09:36:52 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 2026-03-23 23:01:51 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

Comment 2 Fedora Update System 2026-03-23 23:03:21 UTC
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

Comment 3 Fedora Update System 2026-03-27 01:41:32 UTC
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.

Comment 4 Fedora Update System 2026-03-28 02:17:55 UTC
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.


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