# CVE-2022-44792: tkmib: handle_ipDefaultTTL in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.8 through 5.9.3 has a NULL Pointer Exception... CVE-2022-44792 is fixed in 18 products on 1 platform, first by libnetsnmptrapd40 5.9.1+dfsg-1ubuntu2.4, released November 6, 2022. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2022-44792 - Priority: Routine - CVSS: 6.5 (Medium) - EPSS: 0.5205 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Nov 6, 2022 ## Description handle_ipDefaultTTL in agent/mibgroup/ip-mib/ip_scalars.c in Net-SNMP 5.8 through 5.9.3 has a NULL Pointer Exception bug that can be used by a remote attacker (who has write access) to cause the instance to crash via a crafted UDP packet, resulting in Denial of Service. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | libnetsnmptrapd40 Ubuntu 22.04.1 LTS (jammy) | 5.9.1+dfsg-1ubuntu2.4 | [libnetsnmptrapd40 5.9.1+dfsg-1ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libnetsnmptrapd40-5.9.1-dfsg-1ubuntu2.4.md) | Nov 6, 2022 | | Linux | libsnmp-base Ubuntu 18.04.6 LTS (bionic) | 5.7.3+dfsg-1.8ubuntu3.8 | [libsnmp-base 5.7.3+dfsg-1.8ubuntu3.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libsnmp-base-5.7.3-dfsg-1.8ubuntu3.8.md) | Nov 6, 2022 | | Linux | libsnmp-base Ubuntu 20.04 LTS (focal) | 5.8+dfsg-2ubuntu2.6 | [libsnmp-base 5.8+dfsg-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libsnmp-base-5.8-dfsg-2ubuntu2.6.md) | Nov 6, 2022 | | Linux | libsnmp-base Ubuntu 22.04.1 LTS (jammy) | 5.9.1+dfsg-1ubuntu2.4 | [libsnmp-base 5.9.1+dfsg-1ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libsnmp-base-5.9.1-dfsg-1ubuntu2.4.md) | Nov 6, 2022 | | Linux | libsnmp-perl Ubuntu 18.04.6 LTS (bionic) | 5.7.3+dfsg-1.8ubuntu3.8 | [libsnmp-perl 5.7.3+dfsg-1.8ubuntu3.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libsnmp-perl-5.7.3-dfsg-1.8ubuntu3.8.md) | Nov 6, 2022 | | Linux | libsnmp-perl Ubuntu 20.04 LTS (focal) | 5.8+dfsg-2ubuntu2.6 | [libsnmp-perl 5.8+dfsg-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libsnmp-perl-5.8-dfsg-2ubuntu2.6.md) | Nov 6, 2022 | | Linux | libsnmp-perl Ubuntu 22.04.1 LTS (jammy) | 5.9.1+dfsg-1ubuntu2.4 | [libsnmp-perl 5.9.1+dfsg-1ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libsnmp-perl-5.9.1-dfsg-1ubuntu2.4.md) | Nov 6, 2022 | | Linux | libsnmp30 Ubuntu 18.04.6 LTS (bionic) | 5.7.3+dfsg-1.8ubuntu3.8 | [libsnmp30 5.7.3+dfsg-1.8ubuntu3.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libsnmp30-5.7.3-dfsg-1.8ubuntu3.8.md) | Nov 6, 2022 | | Linux | libsnmp35 Ubuntu 20.04 LTS (focal) | 5.8+dfsg-2ubuntu2.6 | [libsnmp35 5.8+dfsg-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libsnmp35-5.8-dfsg-2ubuntu2.6.md) | Nov 6, 2022 | | Linux | libsnmp40 Ubuntu 22.04.1 LTS (jammy) | 5.9.1+dfsg-1ubuntu2.4 | [libsnmp40 5.9.1+dfsg-1ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libsnmp40-5.9.1-dfsg-1ubuntu2.4.md) | Nov 6, 2022 | | Linux | net-snmp Debian 11.6 (bullseye) | 5.9+dfsg-4+deb11u2 | [DLA-4381-1](https://patchblox.com/security/data/fix/linux/dla-4381-1.md) | Nov 25, 2025 | | Linux | net-snmp Debian 12.15 (bookworm) | 5.9.3+dfsg-2 | [DEBIAN-CVE-2022-44792](https://patchblox.com/security/data/fix/linux/debian-cve-2022-44792.md) | Nov 7, 2022 | | Linux | net-snmp Debian 13.5 (trixie) | 5.9.3+dfsg-2 | [DEBIAN-CVE-2022-44792](https://patchblox.com/security/data/fix/linux/debian-cve-2022-44792.md) | Nov 7, 2022 | | Linux | net-snmp Debian 14 | 5.9.3+dfsg-2 | [DEBIAN-CVE-2022-44792](https://patchblox.com/security/data/fix/linux/debian-cve-2022-44792.md) | Nov 7, 2022 | | Linux | net-snmp RHEL 8 | 1:5.8-27.el8 | [RHSA-2023:2969](https://patchblox.com/security/data/fix/linux/rhsa-2023-2969.md) | May 16, 2023 | | Linux | net-snmp RHEL 9 | 1:5.9.1-9.el9 | [RHSA-2023:2444](https://patchblox.com/security/data/fix/linux/rhsa-2023-2444.md) | May 9, 2023 | | Linux | net-snmp almalinux 8 | 1:5.8-27.el8 | [ALSA-2023:2969](https://patchblox.com/security/data/fix/linux/alsa-2023-2969.md) | May 16, 2023 | | Linux | net-snmp almalinux 9 | 1:5.9.1-9.el9 | [ALSA-2023:2444](https://patchblox.com/security/data/fix/linux/alsa-2023-2444.md) | May 9, 2023 | | Linux | net-snmp ol 8 | 1:5.8-27.0.1.el8 | [ELSA-2023-2969](https://patchblox.com/security/data/fix/linux/elsa-2023-2969.md) | May 24, 2023 | | Linux | net-snmp ol 9 | 1:5.9.1-9.0.1.el9 | [ELSA-2023-2444](https://patchblox.com/security/data/fix/linux/elsa-2023-2444.md) | May 15, 2023 | | Linux | net-snmp-agent-libs RHEL 8 | 1:5.8-27.el8 | [RHSA-2023:2969](https://patchblox.com/security/data/fix/linux/rhsa-2023-2969.md) | May 16, 2023 | | Linux | net-snmp-agent-libs RHEL 9 | 1:5.9.1-9.el9 | [RHSA-2023:2444](https://patchblox.com/security/data/fix/linux/rhsa-2023-2444.md) | May 9, 2023 | | Linux | net-snmp-agent-libs almalinux 8 | 1:5.8-27.el8 | [ALSA-2023:2969](https://patchblox.com/security/data/fix/linux/alsa-2023-2969.md) | May 16, 2023 | | Linux | net-snmp-agent-libs almalinux 9 | 1:5.9.1-9.el9 | [ALSA-2023:2444](https://patchblox.com/security/data/fix/linux/alsa-2023-2444.md) | May 9, 2023 | | Linux | net-snmp-agent-libs ol 8 | 1:5.8-27.0.1.el8 | [ELSA-2023-2969](https://patchblox.com/security/data/fix/linux/elsa-2023-2969.md) | May 24, 2023 | | Linux | net-snmp-agent-libs ol 9 | 1:5.9.1-9.0.1.el9 | [ELSA-2023-2444](https://patchblox.com/security/data/fix/linux/elsa-2023-2444.md) | May 15, 2023 | | Linux | net-snmp-devel RHEL 8 | 1:5.8-27.el8 | [RHSA-2023:2969](https://patchblox.com/security/data/fix/linux/rhsa-2023-2969.md) | May 16, 2023 | | Linux | net-snmp-devel RHEL 9 | 1:5.9.1-9.el9 | [RHSA-2023:2444](https://patchblox.com/security/data/fix/linux/rhsa-2023-2444.md) | May 9, 2023 | | Linux | net-snmp-devel almalinux 8 | 1:5.8-27.el8 | [ALSA-2023:2969](https://patchblox.com/security/data/fix/linux/alsa-2023-2969.md) | May 16, 2023 | | Linux | net-snmp-devel almalinux 9 | 1:5.9.1-9.el9 | [ALSA-2023:2444](https://patchblox.com/security/data/fix/linux/alsa-2023-2444.md) | May 9, 2023 | | Linux | net-snmp-devel ol 8 | 1:5.8-27.0.1.el8 | [ELSA-2023-2969](https://patchblox.com/security/data/fix/linux/elsa-2023-2969.md) | May 24, 2023 | | Linux | net-snmp-devel ol 9 | 1:5.9.1-9.0.1.el9 | [ELSA-2023-2444](https://patchblox.com/security/data/fix/linux/elsa-2023-2444.md) | May 15, 2023 | | Linux | net-snmp-libs RHEL 8 | 1:5.8-27.el8 | [RHSA-2023:2969](https://patchblox.com/security/data/fix/linux/rhsa-2023-2969.md) | May 16, 2023 | | Linux | net-snmp-libs RHEL 9 | 1:5.9.1-9.el9 | [RHSA-2023:2444](https://patchblox.com/security/data/fix/linux/rhsa-2023-2444.md) | May 9, 2023 | | Linux | net-snmp-libs almalinux 8 | 1:5.8-27.el8 | [ALSA-2023:2969](https://patchblox.com/security/data/fix/linux/alsa-2023-2969.md) | May 16, 2023 | | Linux | net-snmp-libs almalinux 9 | 1:5.9.1-9.el9 | [ALSA-2023:2444](https://patchblox.com/security/data/fix/linux/alsa-2023-2444.md) | May 9, 2023 | | Linux | net-snmp-libs ol 8 | 1:5.8-27.0.1.el8 | [ELSA-2023-2969](https://patchblox.com/security/data/fix/linux/elsa-2023-2969.md) | May 24, 2023 | | Linux | net-snmp-libs ol 9 | 1:5.9.1-9.0.1.el9 | [ELSA-2023-2444](https://patchblox.com/security/data/fix/linux/elsa-2023-2444.md) | May 15, 2023 | | Linux | net-snmp-perl RHEL 8 | 1:5.8-27.el8 | [RHSA-2023:2969](https://patchblox.com/security/data/fix/linux/rhsa-2023-2969.md) | May 16, 2023 | | Linux | net-snmp-perl RHEL 9 | 1:5.9.1-9.el9 | [RHSA-2023:2444](https://patchblox.com/security/data/fix/linux/rhsa-2023-2444.md) | May 9, 2023 | | Linux | net-snmp-perl almalinux 8 | 1:5.8-27.el8 | [ALSA-2023:2969](https://patchblox.com/security/data/fix/linux/alsa-2023-2969.md) | May 16, 2023 | | Linux | net-snmp-perl almalinux 9 | 1:5.9.1-9.el9 | [ALSA-2023:2444](https://patchblox.com/security/data/fix/linux/alsa-2023-2444.md) | May 9, 2023 | | Linux | net-snmp-perl ol 8 | 1:5.8-27.0.1.el8 | [ELSA-2023-2969](https://patchblox.com/security/data/fix/linux/elsa-2023-2969.md) | May 24, 2023 | | Linux | net-snmp-perl ol 9 | 1:5.9.1-9.0.1.el9 | [ELSA-2023-2444](https://patchblox.com/security/data/fix/linux/elsa-2023-2444.md) | May 15, 2023 | | Linux | net-snmp-utils RHEL 8 | 1:5.8-27.el8 | [RHSA-2023:2969](https://patchblox.com/security/data/fix/linux/rhsa-2023-2969.md) | May 16, 2023 | | Linux | net-snmp-utils RHEL 9 | 1:5.9.1-9.el9 | [RHSA-2023:2444](https://patchblox.com/security/data/fix/linux/rhsa-2023-2444.md) | May 9, 2023 | | Linux | net-snmp-utils almalinux 8 | 1:5.8-27.el8 | [ALSA-2023:2969](https://patchblox.com/security/data/fix/linux/alsa-2023-2969.md) | May 16, 2023 | | Linux | net-snmp-utils almalinux 9 | 1:5.9.1-9.el9 | [ALSA-2023:2444](https://patchblox.com/security/data/fix/linux/alsa-2023-2444.md) | May 9, 2023 | | Linux | net-snmp-utils ol 8 | 1:5.8-27.0.1.el8 | [ELSA-2023-2969](https://patchblox.com/security/data/fix/linux/elsa-2023-2969.md) | May 24, 2023 | | Linux | net-snmp-utils ol 9 | 1:5.9.1-9.0.1.el9 | [ELSA-2023-2444](https://patchblox.com/security/data/fix/linux/elsa-2023-2444.md) | May 15, 2023 | | Linux | python-netsnmp Ubuntu 18.04.6 LTS (bionic) | 5.7.3+dfsg-1.8ubuntu3.8 | [python-netsnmp 5.7.3+dfsg-1.8ubuntu3.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-netsnmp-5.7.3-dfsg-1.8ubuntu3.8.md) | Nov 6, 2022 | | Linux | python3-net-snmp RHEL 9 | 1:5.9.1-9.el9 | [RHSA-2023:2444](https://patchblox.com/security/data/fix/linux/rhsa-2023-2444.md) | May 9, 2023 | | Linux | python3-net-snmp almalinux 9 | 1:5.9.1-9.el9 | [ALSA-2023:2444](https://patchblox.com/security/data/fix/linux/alsa-2023-2444.md) | May 9, 2023 | | Linux | python3-net-snmp ol 9 | 1:5.9.1-9.0.1.el9 | [ELSA-2023-2444](https://patchblox.com/security/data/fix/linux/elsa-2023-2444.md) | May 15, 2023 | | Linux | snmp Ubuntu 18.04.6 LTS (bionic) | 5.7.3+dfsg-1.8ubuntu3.8 | [snmp 5.7.3+dfsg-1.8ubuntu3.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snmp-5.7.3-dfsg-1.8ubuntu3.8.md) | Nov 6, 2022 | | Linux | snmp Ubuntu 20.04 LTS (focal) | 5.8+dfsg-2ubuntu2.6 | [snmp 5.8+dfsg-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-snmp-5.8-dfsg-2ubuntu2.6.md) | Nov 6, 2022 | | Linux | snmp Ubuntu 22.04.1 LTS (jammy) | 5.9.1+dfsg-1ubuntu2.4 | [snmp 5.9.1+dfsg-1ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-snmp-5.9.1-dfsg-1ubuntu2.4.md) | Nov 6, 2022 | | Linux | snmpd Ubuntu 18.04.6 LTS (bionic) | 5.7.3+dfsg-1.8ubuntu3.8 | [snmpd 5.7.3+dfsg-1.8ubuntu3.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snmpd-5.7.3-dfsg-1.8ubuntu3.8.md) | Nov 6, 2022 | | Linux | snmpd Ubuntu 20.04 LTS (focal) | 5.8+dfsg-2ubuntu2.6 | [snmpd 5.8+dfsg-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-snmpd-5.8-dfsg-2ubuntu2.6.md) | Nov 6, 2022 | | Linux | snmpd Ubuntu 22.04.1 LTS (jammy) | 5.9.1+dfsg-1ubuntu2.4 | [snmpd 5.9.1+dfsg-1ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-snmpd-5.9.1-dfsg-1ubuntu2.4.md) | Nov 6, 2022 | | Linux | snmptrapd Ubuntu 18.04.6 LTS (bionic) | 5.7.3+dfsg-1.8ubuntu3.8 | [snmptrapd 5.7.3+dfsg-1.8ubuntu3.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-snmptrapd-5.7.3-dfsg-1.8ubuntu3.8.md) | Nov 6, 2022 | | Linux | snmptrapd Ubuntu 20.04 LTS (focal) | 5.8+dfsg-2ubuntu2.6 | [snmptrapd 5.8+dfsg-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-snmptrapd-5.8-dfsg-2ubuntu2.6.md) | Nov 6, 2022 | | Linux | snmptrapd Ubuntu 22.04.1 LTS (jammy) | 5.9.1+dfsg-1ubuntu2.4 | [snmptrapd 5.9.1+dfsg-1ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-snmptrapd-5.9.1-dfsg-1ubuntu2.4.md) | Nov 6, 2022 | | Linux | tkmib Ubuntu 18.04.6 LTS (bionic) | 5.7.3+dfsg-1.8ubuntu3.8 | [tkmib 5.7.3+dfsg-1.8ubuntu3.8](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-tkmib-5.7.3-dfsg-1.8ubuntu3.8.md) | Nov 6, 2022 | | Linux | tkmib Ubuntu 20.04 LTS (focal) | 5.8+dfsg-2ubuntu2.6 | [tkmib 5.8+dfsg-2ubuntu2.6](https://patchblox.com/security/data/fix/linux/ubuntu-focal-tkmib-5.8-dfsg-2ubuntu2.6.md) | Nov 6, 2022 | | Linux | tkmib Ubuntu 22.04.1 LTS (jammy) | 5.9.1+dfsg-1ubuntu2.4 | [tkmib 5.9.1+dfsg-1ubuntu2.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-tkmib-5.9.1-dfsg-1ubuntu2.4.md) | Nov 6, 2022 | --- Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.