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Vulnerability record · CVE-2023-24825 · published 30 May 2023

CVE-2023-24825: Riot-os riot unchecked return value vulnerability

Riot Os · Riot

RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. Prior to version 2023.04, an attacker can send a crafted frame to the device to trigger a NULL pointer dereference leading to denial of service. This issue is fixed in version 2023.04. There are no known workarounds.

7.5 CVSS 3.1 High EPSS 0.96% · top 39.4% CWE-252 · Unchecked return valueCWE-476 · NULL pointer dereference
7.5CVSS 3.1 base score
0.96%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
14References
17 Jun 2026Last modified by NVD

Description

RIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. Prior to version 2023.04, an attacker can send a crafted frame to the device to trigger a NULL pointer dereference leading to denial of service. This issue is fixed in version 2023.04. There are no known workarounds.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/RIOT-OS/RIOT/blob/2022.10-branch/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb. Vendor Advisory
https://github.com/RIOT-OS/RIOT/blob/2022.10-branch/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb. Vendor Advisory
https://github.com/RIOT-OS/RIOT/blob/2022.10-branch/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L729 Vendor Advisory
https://github.com/RIOT-OS/RIOT/blob/2022.10-branch/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L761 Mailing List
https://github.com/RIOT-OS/RIOT/blob/ccbb304eae7b59e8aca24a6ffd095b5b3f7720ee/sys/net/gnrc/pktbuf_static/gnrc_pktbuf_sta Vendor Advisory
https://github.com/RIOT-OS/RIOT/commit/0c522075445a62ce3102e141573ecc2788521897 PatchVendor Advisory
https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-xqm8-xj74-fjw2 Vendor Advisory
https://github.com/RIOT-OS/RIOT/blob/2022.10-branch/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb. Vendor Advisory
https://github.com/RIOT-OS/RIOT/blob/2022.10-branch/sys/net/gnrc/network_layer/sixlowpan/frag/rb/gnrc_sixlowpan_frag_rb. Vendor Advisory
https://github.com/RIOT-OS/RIOT/blob/2022.10-branch/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L729 Vendor Advisory
https://github.com/RIOT-OS/RIOT/blob/2022.10-branch/sys/net/gnrc/network_layer/sixlowpan/iphc/gnrc_sixlowpan_iphc.c#L761 Mailing List
https://github.com/RIOT-OS/RIOT/blob/ccbb304eae7b59e8aca24a6ffd095b5b3f7720ee/sys/net/gnrc/pktbuf_static/gnrc_pktbuf_sta Vendor Advisory
https://github.com/RIOT-OS/RIOT/commit/0c522075445a62ce3102e141573ecc2788521897 PatchVendor Advisory
https://github.com/RIOT-OS/RIOT/security/advisories/GHSA-xqm8-xj74-fjw2 Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2026-27703Riot-os riot out-of-bounds write vulnerabilityRIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things (IoT) devices and other embedded de…EPSS 0.62%9.8CVE-2023-33975Riot-os riot memory buffer overflow vulnerabilityRIOT-OS, an operating system for Internet of Things (IoT) devices, contains a network stack with the ability to process 6LoWPAN frames. In version 20…EPSS 1.5%9.8CVE-2023-24823Riot-os riot out-of-bounds write vulnerabilityRIOT-OS, an operating system that supports Internet of Things devices, contains a network stack with the ability to process 6LoWPAN frames. Prior to …EPSS 0.99%9.8CVE-2023-24819Riot-os riot out-of-bounds write vulnerabilityRIOT-OS, an operating system that supports Internet of Things devices, contains a network stack with the ability to process 6LoWPAN frames. Prior to …EPSS 0.99%9.8CVE-2021-27427Riot-os riot integer overflow vulnerabilityRIOT OS version 2020.01.1 is vulnerable to integer wrap-around in its implementation of calloc function, which can lead to arbitrary memory allocatio…EPSS 1.7%9.8CVE-2021-27698Riot-os riot classic buffer overflow vulnerabilityRIOT-OS 2021.01 contains a buffer overflow vulnerability in /sys/net/gnrc/routing/rpl/gnrc_rpl_control_messages.c through the _parse_options() functi…EPSS 1.2%9.8CVE-2021-27697Riot-os riot classic buffer overflow vulnerabilityRIOT-OS 2021.01 contains a buffer overflow vulnerability in sys/net/gnrc/routing/rpl/gnrc_rpl_validation.c through the gnrc_rpl_validation_options() …EPSS 1.3%9.8CVE-2021-27357Riot-os riot classic buffer overflow vulnerabilityRIOT-OS 2020.01 contains a buffer overflow vulnerability in /sys/net/gnrc/routing/rpl/gnrc_rpl_control_messages.c.EPSS 1.2%

Source: NIST National Vulnerability Database (record CVE-2023-24825), CISA KEV, FIRST EPSS (scores of 2026-10-15). This page is refreshed as NVD updates the record.