CVE-2021-43267
9.8
CRITICAL · CVSS 3.1 · EPSS 57.9% (pctl 99)
Patch early
EPSS 57.9% — above the 10% action threshold.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.1) |
|---|---|
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 57.85% — more likely to be exploited than 99% of all CVEs |
| Weakness | CWE-1284 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2021-11-02 |
| Last modified | 2026-06-17 |
Affected (16)
| Vendor | Product |
|---|---|
| fedoraproject | fedora |
| linux | linux kernel |
| netapp | h300e |
| netapp | h300e firmware |
| netapp | h300s |
| netapp | h300s firmware |
| netapp | h410s |
| netapp | h410s firmware |
| netapp | h500e |
| netapp | h500e firmware |
| netapp | h500s |
| netapp | h500s firmware |
| netapp | h700e |
| netapp | h700e firmware |
| netapp | h700s |
| netapp | h700s firmware |
References
- http://www.openwall.com/lists/oss-security/2022/02/10/1
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.16
- https://github.com/torvalds/linux/commit/fa40d9734a57bcbfa79a280189799f76c88f7bb0
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVWL7HZV5T5OEKJPO2D67RMFMKBBXGGB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDDEW4APTYKJK365HC2JZIVXYUV7ZRN7/
- https://security.netapp.com/advisory/ntap-20211125-0002/
- http://www.openwall.com/lists/oss-security/2022/02/10/1
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.16
- https://github.com/torvalds/linux/commit/fa40d9734a57bcbfa79a280189799f76c88f7bb0
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CVWL7HZV5T5OEKJPO2D67RMFMKBBXGGB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RDDEW4APTYKJK365HC2JZIVXYUV7ZRN7/
- https://security.netapp.com/advisory/ntap-20211125-0002/
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