---
cve: "CVE-2021-43267"
severity: "LOW"
cvss: 3.1
epss: "57.6%"
vendor: "n/a"
kev: false
exploited: false
published: "2021-11-02 23:15:07"
tags: [cve, security, low]
source: tsecurity.de CVE-Dossier
exported: "2026-09-10T17:23:38+02:00"
---

# CVE-2021-43267

> 3.1 LOW · 🧪 PoC

## Beschreibung

An issue was discovered in net/tipc/crypto.c in the Linux kernel before 5.14.16. The Transparent Inter-Process Communication (TIPC) functionality allows remote attackers to exploit insufficient validation of user-supplied sizes for the MSG_CRYPTO message type.

## Referenzen

- <https://github.com/torvalds/linux/commit/fa40d9734a57bcbfa79a280189799f76c88f7bb0>
- <https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.16>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDDEW4APTYKJK365HC2JZIVXYUV7ZRN7/>
- <https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVWL7HZV5T5OEKJPO2D67RMFMKBBXGGB/>
- <https://security.netapp.com/advisory/ntap-20211125-0002/>
- <http://www.openwall.com/lists/oss-security/2022/02/10/1>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-43267) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_