Bug 2345248 (CVE-2025-26594)

Summary:	CVE-2025-26594 X.Org: Xwayland: Use-after-free of the root cursor
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security <prodsec-ir-bot>
Status:	NEW ---	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	security-response-team
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	If docs needed, set a value
Doc Text:	A use-after-free flaw was found in X.Org and Xwayland. The root cursor is referenced in the X server as a global variable. If a client frees the root cursor, the internal reference points to freed memory and causes a use-after-free.	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:	2349367, 2349368, 2349369
Bug Blocks:
Deadline:	2025-02-25

Description OSIDB Bzimport 2025-02-12 14:18:20 UTC

The root cursor is referenced in the xserver as a global variable. If
a client manages to free the root cursor, the internal reference points
to freed memory and causes a use-after-free.

Comment 1 errata-xmlrpc 2025-03-10 12:36:51 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:2500 https://access.redhat.com/errata/RHSA-2025:2500

Comment 2 errata-xmlrpc 2025-03-10 12:46:02 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2025:2502 https://access.redhat.com/errata/RHSA-2025:2502

Comment 3 errata-xmlrpc 2025-03-17 01:13:55 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.2 Advanced Update Support

Via RHSA-2025:2866 https://access.redhat.com/errata/RHSA-2025:2866

Comment 4 errata-xmlrpc 2025-03-17 01:27:43 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.8 Extended Update Support

Via RHSA-2025:2862 https://access.redhat.com/errata/RHSA-2025:2862

Comment 5 errata-xmlrpc 2025-03-17 01:28:27 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2025:2861 https://access.redhat.com/errata/RHSA-2025:2861

Comment 6 errata-xmlrpc 2025-03-17 01:36:04 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.4 Telecommunications Update Service
  Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions

Via RHSA-2025:2865 https://access.redhat.com/errata/RHSA-2025:2865

Comment 7 errata-xmlrpc 2025-03-17 01:37:38 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions

Via RHSA-2025:2873 https://access.redhat.com/errata/RHSA-2025:2873

Comment 8 errata-xmlrpc 2025-03-17 01:44:02 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.4 Extended Update Support

Via RHSA-2025:2875 https://access.redhat.com/errata/RHSA-2025:2875

Comment 9 errata-xmlrpc 2025-03-17 01:46:06 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9.2 Extended Update Support

Via RHSA-2025:2874 https://access.redhat.com/errata/RHSA-2025:2874

Comment 10 errata-xmlrpc 2025-03-17 03:11:16 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7 Extended Lifecycle Support

Via RHSA-2025:2879 https://access.redhat.com/errata/RHSA-2025:2879

Comment 11 errata-xmlrpc 2025-03-17 04:20:02 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support
  Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions
  Red Hat Enterprise Linux 8.6 Telecommunications Update Service

Via RHSA-2025:2880 https://access.redhat.com/errata/RHSA-2025:2880

Comment 14 errata-xmlrpc 2025-04-17 06:35:50 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 6 Extended Lifecycle Support  - EXTENSION

Via RHSA-2025:3976 https://access.redhat.com/errata/RHSA-2025:3976

Comment 15 errata-xmlrpc 2025-05-13 10:14:07 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:7163 https://access.redhat.com/errata/RHSA-2025:7163

Comment 16 errata-xmlrpc 2025-05-13 10:15:00 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2025:7165 https://access.redhat.com/errata/RHSA-2025:7165

Comment 17 errata-xmlrpc 2025-05-13 15:55:01 UTC

This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2025:7458 https://access.redhat.com/errata/RHSA-2025:7458