NULL pointer dereference in Linux
CVE-2026-23218
In the Linux kernel, the following vulnerability has been resolved: gpio: loongson-64bit: Fix incorrect NULL check after devm_kcalloc() Fix incorrect NULL check in loongson_gpio_init_irqchip(). The function checks chip->parent instead of chip->irq.parents.
EPSS: 0.001 (1.0th 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 03c146cb6cd14fdab2d2c7ab1b4e8035b54df8cc, 6.18, 0
- Linux Linux_kernel — versions 6.19
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-23218?
- CVE-2026-23218 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2026-02-18.
- How severe is CVE-2026-23218?
- Medium severity. CVSS v3 base score is 5.5 out of 10.