Vulnerability in Linux
CVE-2026-23440
In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix race condition during IPSec ESN update In IPSec full offload mode, the device reports an ESN (Extended Sequence Number) wrap event to the driver. The driv…
EPSS: 0.000 (10.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Linux — versions fef06678931ff67b158d337b581e5cf5ca40a3a3, 6.4, 0
References
- git.kernel.org/stable/c/3dffc083292e6872787bd7e34b957627622f9af4
- git.kernel.org/stable/c/2051c709dce92da3550040aa7949cd5a9c89b14e
- git.kernel.org/stable/c/96c9c25b74686ac2de15921c9ad30c5ef13af8cd
- git.kernel.org/stable/c/8d625c15471fb8780125eaef682983a96af77bdc
- git.kernel.org/stable/c/beb6e2e5976a128b0cccf10d158124422210c5ef
Frequently asked questions
- What is CVE-2026-23440?
- CVE-2026-23440 is a high-severity vulnerability in Linux. CVSS score: 7.5/10. Published 2026-04-03.
- How severe is CVE-2026-23440?
- High severity. CVSS v3 base score is 7.5 out of 10.