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Debian Security Advisory DSA-4539-2                   security@debian.org
https://www.debian.org/security/                     Salvatore Bonaccorso
October 07, 2019                      https://www.debian.org/security/faq
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Package        : openssh
Debian Bug     : 941663

A change introduced in openssl 1.1.1d (which got released as DSA 4539-1)
requires sandboxing features which are not available in Linux kernels
before 3.19, resulting in OpenSSH rejecting connection attempts if
running on an old kernel. This does not affect Linux kernels shipped in
Debian oldstable/stable, but may affect buster systems which are running
on an older kernel.

For the stable distribution (buster), this problem has been fixed in
version 1:7.9p1-10+deb10u1.

We recommend that you upgrade your openssh packages.

For the detailed security status of openssh please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/source-package/openssh

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org