CVE-2021-43267
9.8
CRITICAL
CVSS 3.1
EPSS 57.9%
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.
How to fix CVE-2021-43267
To remediate CVE-2021-43267, upgrade the affected package to a fixed version below.
- Debian/linux—upgrade to 5.10.84-1 or later
Is CVE-2021-43267 being exploited?
Likely — EPSS is 57.9%, placing CVE-2021-43267 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- from 0, < 5.10.84-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |