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[Bug 2127034] [NEW] mistracking of MaxStartups process exits

 

Public bug reported:

This is a request to back port an upstream bug fix.

openssh-portable commit ID
commit eddd1d2daa64a6ab1a915ca88436fa41aede44d4
Author: djm@xxxxxxxxxxx <djm@xxxxxxxxxxx>
Date:   Fri Jul 4 09:51:01 2025 +0000

    upstream: Fix mistracking of MaxStartups process exits in some
    
    situations. At worst, this can cause all MaxStartups slots to fill and sshd
    to refuse new connections.
    
    Diagnosis by xnor; ok dtucker@
    
    OpenBSD-Commit-ID: 10273033055552557196730f898ed6308b36a78d


We are being hit buy this bug frequently in production causing significant disruption.

Release 24.04
openssh 1:9.6p1-3ubuntu13.14

** Affects: openssh (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2127034

Title:
  mistracking of MaxStartups process exits

Status in openssh package in Ubuntu:
  New

Bug description:
  This is a request to back port an upstream bug fix.

  openssh-portable commit ID
  commit eddd1d2daa64a6ab1a915ca88436fa41aede44d4
  Author: djm@xxxxxxxxxxx <djm@xxxxxxxxxxx>
  Date:   Fri Jul 4 09:51:01 2025 +0000

      upstream: Fix mistracking of MaxStartups process exits in some
      
      situations. At worst, this can cause all MaxStartups slots to fill and sshd
      to refuse new connections.
      
      Diagnosis by xnor; ok dtucker@
      
      OpenBSD-Commit-ID: 10273033055552557196730f898ed6308b36a78d

  
  We are being hit buy this bug frequently in production causing significant disruption.

  Release 24.04
  openssh 1:9.6p1-3ubuntu13.14

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