Bug 2479833

Summary:	kernel: Linux kernel: SKBFL_SHARED_FRAG page-cache corruption PoC [fedora-all]
Product:	[Fedora] Fedora	Reporter:	Keith Grant <kgrant>
Component:	kernel	Assignee:	Justin M. Forbes <jforbes>
Status:	CLOSED ERRATA	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	high	Docs Contact:
Priority:	high
Version:	rawhide	CC:	acaringi, adscvr, airlied, hans, hpa, jforbes, jwboyer, kernel-maint, linville, masami256, mchehab, nickolasjcarr, ptalbert, steved, suraj.ghimire7
Target Milestone:	---	Keywords:	Security, SecurityTracking
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:	{"flaws": ["807e37be-fb03-4b31-840c-cc9efd47085d"]}
Fixed In Version:	kernel-7.0.9-204.fc44 kernel-7.0.9-104.fc43	Doc Type:	---
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2026-05-21 00:57:00 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:	2479832

Description Keith Grant 2026-05-19 13:51:49 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.

Reproducers, if any, will remain confidential and never be made public, unless done so by the security team.

Comment 1 Fedora Update System 2026-05-19 23:20:39 UTC

FEDORA-2026-32ae3b7199 (kernel-6.19.14-107.fc42) has been submitted as an update to Fedora 42.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-32ae3b7199

Comment 2 Fedora Update System 2026-05-20 00:00:57 UTC

FEDORA-2026-57965ac9f7 (kernel-7.0.9-204.fc44) has been submitted as an update to Fedora 44.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-57965ac9f7

Comment 3 Fedora Update System 2026-05-20 00:01:00 UTC

FEDORA-2026-3f85a4eba7 (kernel-7.0.9-104.fc43) has been submitted as an update to Fedora 43.
https://bodhi.fedoraproject.org/updates/FEDORA-2026-3f85a4eba7

Comment 4 Fedora Update System 2026-05-20 02:06:23 UTC

FEDORA-2026-32ae3b7199 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-2026-32ae3b7199`
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2026-32ae3b7199

See also https://fedoraproject.org/wiki/QA:Updates_Testing for more information on how to test updates.

Comment 5 Fedora Update System 2026-05-21 00:57:00 UTC

FEDORA-2026-57965ac9f7 (kernel-7.0.9-204.fc44) has been pushed to the Fedora 44 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 6 Fedora Update System 2026-05-21 01:28:20 UTC

FEDORA-2026-3f85a4eba7 (kernel-7.0.9-104.fc43) has been pushed to the Fedora 43 stable repository.
If problem still persists, please make note of it in this bug report.

Comment 7 Fedora Update System 2026-05-21 03:17:30 UTC

FEDORA-2026-32ae3b7199 (kernel-6.19.14-107.fc42) has been pushed to the Fedora 42 stable repository.
If problem still persists, please make note of it in this bug report.