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Installation • Unable to ssh after upgrade from bullseye to bookworm

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Hello,

These message logs in not working sshd log (with newer kernel) could be interesting:

Code:

sshd[4774]: debug1: ssh_sandbox_child: prctl(PR_SET_NO_NEW_PRIVS): Invalid argument [preauth]sshd[4774]: debug1: ssh_sandbox_child: prctl(PR_SET_SECCOMP): Invalid argument [preauth]
Just a guess: your guest cloud kernel (or guest user space configuration) or the container host configuration restrict the prctl kernel function to access PR_SET_NO_NEW_PRIVS and PR_SET_SECCOMP parameters for the sshd sandbox.

What is your current kernel version in the guest ? Is there an apparmor profile for sshd ?

Statistics: Posted by Aki — 2024-03-02 21:45 — Replies 2 — Views 87



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