NULL pointer dereference in Linux
CVE-2025-38408
In the Linux kernel, the following vulnerability has been resolved: genirq/irq_sim: Initialize work context pointers properly Initialize `ops` member's pointers properly by using kzalloc() instead of kmalloc() when allocating the simulation work context. Otherwise the pointers contain random content leading to invalid dereferencing.
EPSS: 0.002 (5.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Linux — versions 337cbeb2c13eb4cab84f576fd402d7ae4ed31ae1, 5.8, 0
- Linux Linux_kernel — versions 6.16
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2025-38408?
- CVE-2025-38408 is a high-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 7.8/10. Published 2025-07-25.
- How severe is CVE-2025-38408?
- High severity. CVSS v3 base score is 7.8 out of 10.