CVE-2021-47186
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-47186
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-47186.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-47186
- Downstream
- Related
- Published
- 2024-04-10T19:15:47Z
- Modified
- 2025-08-09T20:01:27Z
- Severity
-
- 5.5 (Medium) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
tipc: check for null after calling kmemdup
kmemdup can return a null pointer so need to check for it, otherwise the null key will be dereferenced later in tipccryptokey_xmit as can be seen in the trace [1].
[1] https://syzkaller.appspot.com/bug?id=bca180abb29567b189efdbdb34cbf7ba851c2a58
- References