Bug 2166785

Summary: openssh: Pre-authentication double free
Product: [Other] Security Response Reporter: Pedro Sampaio <psampaio>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED DUPLICATE QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: acrosby, bdettelb, caswilli, dbelyavs, dfreiber, dkuc, fjansen, hkataria, jburrell, jjelen, jkoehler, jmitchel, jtanner, kaycoth, kshier, micjohns, psegedy, rogbas, sthirugn, tsasak, vkumar
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: openssh 9.2 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2023-03-02 07:29:53 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: 2166917    

Description Pedro Sampaio 2023-02-02 23:04:30 UTC
A pre-authentication double free was found specifically in OpenSSH 9.1 server component that can lead to remote denial of service.

References:

https://www.openssh.com/releasenotes.html
https://www.openwall.com/lists/oss-security/2023/02/02/2

Upstream bug:

https://bugzilla.mindrot.org/show_bug.cgi?id=3522

Introducing commit:

https://github.com/openssh/openssh-portable/commit/486c4dc3b83b4b67d663fb0fa62bc24138ec3946

Comment 2 Sandipan Roy 2023-03-02 07:29:53 UTC

*** This bug has been marked as a duplicate of bug 2167636 ***