UBUNTU-CVE-2021-43267
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.
02 / AFFECTED SOFTWARE
Affected packages
29 explicit affected versions
7 explicit affected versions
9 explicit affected versions
4 explicit affected versions
8 explicit affected versions
7 explicit affected versions
33 explicit affected versions
23 explicit affected versions
7 explicit affected versions
38 explicit affected versions
2 explicit affected versions
10 explicit affected versions
3 explicit affected versions
10 explicit affected versions
10 explicit affected versions
10 explicit affected versions
6 explicit affected versions
13 explicit affected versions
23 explicit affected versions
8 explicit affected versions
5 explicit affected versions
44 explicit affected versions
4 explicit affected versions
4 explicit affected versions
9 explicit affected versions
12 explicit affected versions
7 explicit affected versions
9 explicit affected versions
16 explicit affected versions
43 explicit affected versions
6 explicit affected versions
50 explicit affected versions
8 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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.
05 / REFERENCES
Further evidence
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.16
- https://git.kernel.org/linus/fa40d9734a57bcbfa79a280189799f76c88f7bb0
- https://github.com/torvalds/linux/commit/fa40d9734a57bcbfa79a280189799f76c88f7bb0
- https://ubuntu.com/security/CVE-2021-43267
- https://ubuntu.com/security/notices/USN-5165-1
- https://ubuntu.com/security/notices/USN-5207-1
- https://ubuntu.com/security/notices/USN-5208-1
- https://ubuntu.com/security/notices/USN-5218-1
- https://www.cve.org/CVERecord?id=CVE-2021-43267
- https://www.sentinelone.com/labs/tipc-remote-linux-kernel-heap-overflow-allows-arbitrary-code-execution/