Bug 2151757 (CVE-2022-46342)

Summary: CVE-2022-46342 xorg-x11-server: XvdiSelectVideoNotify use-after-free
Product: [Other] Security Response Reporter: Sandipan Roy <saroy>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: ajax, jgrulich, ofourdan, peter.hutterer, 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 vulnerability was found in X.Org. This flaw occurs because the handler for the XvdiSelectVideoNotify request may write to memory after it has been freed. This flaw can lead to local privilege elevation on systems where the X server runs privileged and remote code execution for ssh X forwarding sessions.
Story Points: ---
Clone Of: Environment:
Last Closed: 2023-01-11 10:32:18 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: 2151784, 2151785, 2151786, 2151787, 2151788, 2153119, 2153120, 2153121, 2153123, 2154211, 2154212, 2154225, 2154226, 2154262    
Bug Blocks: 2151201    

Description Sandipan Roy 2022-12-08 04:50:56 UTC
CVE-2022-46342/ZDI-CAN-19400: X.Org Server XvdiSelectVideoNotify
use-after-free

The handler for the XvdiSelectVideoNotify request may write to memory
after it has been freed.

Comment 2 Sandipan Roy 2022-12-08 06:34:59 UTC
Xorg server does not run with root privileges in Red Hat Enterprise Linux 8 and 9, therefore Red Hat Enterprise Linux 8 and 9 have been rated with a moderate severity.

Comment 4 Sandipan Roy 2022-12-14 04:44:41 UTC
Created xorg-x11-server tracking bugs for this issue:

Affects: fedora-36 [bug 2153121]
Affects: fedora-37 [bug 2153123]


Created xorg-x11-server-Xwayland tracking bugs for this issue:

Affects: fedora-36 [bug 2153119]
Affects: fedora-37 [bug 2153120]

Comment 5 Sandipan Roy 2022-12-16 09:59:10 UTC
Created tigervnc tracking bugs for this issue:

Affects: fedora-36 [bug 2154211]
Affects: fedora-37 [bug 2154212]

Comment 8 errata-xmlrpc 2023-01-09 14:53:11 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2023:0045 https://access.redhat.com/errata/RHSA-2023:0045

Comment 9 errata-xmlrpc 2023-01-09 14:53:35 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 7

Via RHSA-2023:0046 https://access.redhat.com/errata/RHSA-2023:0046

Comment 10 Product Security DevOps Team 2023-01-11 10:32:17 UTC
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s):

https://access.redhat.com/security/cve/cve-2022-46342

Comment 11 errata-xmlrpc 2023-05-09 07:21:59 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:2248 https://access.redhat.com/errata/RHSA-2023:2248

Comment 12 errata-xmlrpc 2023-05-09 07:22:20 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:2249 https://access.redhat.com/errata/RHSA-2023:2249

Comment 13 errata-xmlrpc 2023-05-09 07:23:16 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2023:2257 https://access.redhat.com/errata/RHSA-2023:2257

Comment 14 errata-xmlrpc 2023-05-16 08:15:05 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2023:2805 https://access.redhat.com/errata/RHSA-2023:2805

Comment 15 errata-xmlrpc 2023-05-16 08:15:19 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2023:2806 https://access.redhat.com/errata/RHSA-2023:2806

Comment 16 errata-xmlrpc 2023-05-16 08:17:34 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2023:2830 https://access.redhat.com/errata/RHSA-2023:2830