# CVE-2025-46836: net-tools Stack-based Buffer Overflow vulnerability CVE-2025-46836 is fixed in net-tools on 1 platform, first by net-tools 1.60+git20180626.aebd88e-1ubuntu1.3, released May 14, 2025. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2025-46836 - Priority: Routine - CVSS: 6.6 (Moderate) - EPSS: 0.0021 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: May 14, 2025 - Weakness: Improper Input Validation - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-46836 ## Description net-tools is a collection of programs that form the base set of the NET-3networking distribution for the Linux operating system. Inn versions up toand including 2.10, the Linux network utilities (like ifconfig) from thenet-tools package do not properly validate the structure of /proc fileswhen showing interfaces. `get_name()` in `interface.c` copies interfacelabels from `/proc/net/dev` into a fixed 16-byte stack buffer withoutbounds checking, leading to possible arbitrary code execution or crash. Theknown attack path does not require privilege but also does not provideprivilege escalation in this scenario. A patch is available and expected tobe part of version 2.20. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | net-tools Debian 11.6 (bullseye) | 1.60+git20181103.0eebece-1+deb11u2 | [DLA-4202-1](https://patchblox.com/security/data/fix/linux/dla-4202-1.md) | May 31, 2025 | | Linux | net-tools Debian 12.15 (bookworm) | 2.10-0.1+deb12u1 | [DSA-5923-1](https://patchblox.com/security/data/fix/linux/dsa-5923-1.md) | May 18, 2025 | | Linux | net-tools Debian 13.5 (trixie) | 2.10-1.2 | [DEBIAN-CVE-2025-46836](https://patchblox.com/security/data/fix/linux/debian-cve-2025-46836.md) | May 14, 2025 | | Linux | net-tools Debian 14 | 2.10-1.2 | [DEBIAN-CVE-2025-46836](https://patchblox.com/security/data/fix/linux/debian-cve-2025-46836.md) | May 14, 2025 | | Linux | net-tools Ubuntu 20.04 LTS (focal) | 1.60+git20180626.aebd88e-1ubuntu1.3 | [net-tools 1.60+git20180626.aebd88e-1ubuntu1.3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-net-tools-1.60-git20180626.aebd88e-1ubuntu1.3.md) | May 14, 2025 | | Linux | net-tools Ubuntu 22.04.1 LTS (jammy) | 1.60+git20181103.0eebece-1ubuntu5.4 | [net-tools 1.60+git20181103.0eebece-1ubuntu5.4](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-net-tools-1.60-git20181103.0eebece-1ubuntu5.4.md) | May 14, 2025 | | Linux | net-tools Ubuntu 24.04.5 LTS (noble) | 2.10-0.1ubuntu4.4 | [net-tools 2.10-0.1ubuntu4.4](https://patchblox.com/security/data/fix/linux/ubuntu-noble-net-tools-2.10-0.1ubuntu4.4.md) | May 14, 2025 | | Linux | net-tools Ubuntu 24.10 (oracular) | 2.10-1.1ubuntu1.24.10.4 | [net-tools 2.10-1.1ubuntu1.24.10.4](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-net-tools-2.10-1.1ubuntu1.24.10.4.md) | Jan 16, 2026 | | Linux | net-tools Ubuntu 25.04 (plucky) | 2.10-1.1ubuntu1.25.04.4 | [net-tools 2.10-1.1ubuntu1.25.04.4](https://patchblox.com/security/data/fix/linux/ubuntu-plucky-net-tools-2.10-1.1ubuntu1.25.04.4.md) | Jan 16, 2026 | | Linux | net-tools Ubuntu 25.10 (questing) | 2.10-1.3ubuntu1 | [net-tools 2.10-1.3ubuntu1](https://patchblox.com/security/data/fix/linux/ubuntu-questing-net-tools-2.10-1.3ubuntu1.md) | May 14, 2025 | | Linux | net-tools opensuse-leap 15.6 | 2.0+git20170221.479bb4a-150000.5.13.1 | [SUSE-SU-2025:03260-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03260-1.md) | Sep 18, 2025 | | Linux | net-tools opensuse-leap 16.0 | 2.10-160000.3.1 | [OPENSUSE-SU-2026:20437-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-20437-1.md) | Mar 26, 2026 | | Linux | net-tools sles 15.6 | 2.0+git20170221.479bb4a-150000.5.13.1 | [SUSE-SU-2025:03260-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03260-1.md) | Sep 18, 2025 | | Linux | net-tools sles 15.7 | 2.0+git20170221.479bb4a-150000.5.13.1 | [SUSE-SU-2025:03260-1](https://patchblox.com/security/data/fix/linux/suse-su-2025-03260-1.md) | Sep 18, 2025 | | Linux | net-tools sles 16.0 | 2.10-160000.3.1 | [SUSE-SU-2026:20940-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-20940-1.md) | Mar 26, 2026 | --- Data as of 2026-11-08T19:12:23Z UTC. 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