CVE-2021-43267
9.8 CRITICALAn issue was discovered in net/tipc/crypto.c in the Linux kernel before 5.14.16
Published: 2021-11-02 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 9.8 CRITICAL
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- CWE
- CWE-1284
Affected products
| Vendor | Product |
|---|---|
| fedoraproject | fedora, h300e_firmware, h300s_firmware |
| linux | fedora, h300e_firmware, h300s_firmware |
| netapp | fedora, h300e_firmware, h300s_firmware |
Description
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.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-43267
- [Exploit reference]http://www.openwall.com/lists/oss-security/2022/02/10/1
- [Vendor advisory]https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.16
- [Patch]https://github.com/torvalds/linux/commit/fa40d9734a57bcbfa79a280189799f76c88f7bb0
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVWL7HZV5T5OEKJPO2D67RMFMKBBXGGB/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDDEW4APTYKJK365HC2JZIVXYUV7ZRN7/
- [Other]https://security.netapp.com/advisory/ntap-20211125-0002/
- [Exploit reference]http://www.openwall.com/lists/oss-security/2022/02/10/1
- [Vendor advisory]https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.16
- [Patch]https://github.com/torvalds/linux/commit/fa40d9734a57bcbfa79a280189799f76c88f7bb0
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVWL7HZV5T5OEKJPO2D67RMFMKBBXGGB/
- [Other]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDDEW4APTYKJK365HC2JZIVXYUV7ZRN7/
- [Other]https://security.netapp.com/advisory/ntap-20211125-0002/
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