Debian 11: net-snmp Critical DoS Fix DLA-4381-1 CVE-2022-44792

menglong2234 discovered NULL pointer exceptions in net-snmp, a suite of
Simple Network Management Protocol applications, which could could
result in denial of service.

CVE-2022-44792

A remote attacker (with write access) could trigger a NULL
dereference while handling ipDefaultTTL via a crafted UDP packet.

CVE-2022-44793

A remote attacker (with write access) could trigger a NULL
dereference while handling ipv6IpForwarding via a crafted UDP
packet.


For Debian 11 bullseye, these problems have been fixed in version
5.9+dfsg-4+deb11u2.

We recommend that you upgrade your net-snmp packages.

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

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