Bug 2512185 (CVE-2026-62909)

Summary: CVE-2026-62909 .NET: .NET Elevation of Privilege Vulnerability
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: rhel-process-autobot, sdawley, security-response-team, watson-tool-maintainers
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: ---
Doc Text:
Uncaught exception in .NET allows an authorized attacker to elevate privileges locally.
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: 2514747, 2514748, 2514749    
Bug Blocks:    
Deadline: 2026-08-11   

Description OSIDB Bzimport 2026-08-06 21:10:56 UTC
Diagnostics IPC - Handle truncation error in ipc_transport_get_default_name (abstract UDS exposure via long TMPDIR)

Affects: 8.0, 9.0, 10.0

Comment 1 errata-xmlrpc 2026-08-13 13:03:12 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:54538 https://access.redhat.com/errata/RHSA-2026:54538

Comment 2 errata-xmlrpc 2026-08-13 13:05:10 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:54541 https://access.redhat.com/errata/RHSA-2026:54541

Comment 3 errata-xmlrpc 2026-08-13 14:36:13 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:54542 https://access.redhat.com/errata/RHSA-2026:54542

Comment 4 errata-xmlrpc 2026-08-13 15:50:21 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 8

Via RHSA-2026:54550 https://access.redhat.com/errata/RHSA-2026:54550

Comment 5 errata-xmlrpc 2026-08-13 16:12:37 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 9

Via RHSA-2026:54574 https://access.redhat.com/errata/RHSA-2026:54574

Comment 6 errata-xmlrpc 2026-08-13 16:35:49 UTC
This issue has been addressed in the following products:

  Red Hat Enterprise Linux 10

Via RHSA-2026:54590 https://access.redhat.com/errata/RHSA-2026:54590