NULL pointer dereference in Linux
CVE-2021-47186
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 tipc_crypto_ke…
EPSS: 0.002 (12.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions 1ef6f7c9390ff5308c940ff8d0a53533a4673ad9, 5.10, 0
- Linux Linux_kernel — versions 5.16
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2021-47186?
- CVE-2021-47186 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2024-04-10.
- How severe is CVE-2021-47186?
- Medium severity. CVSS v3 base score is 5.5 out of 10.