CVE-2024-26776: spi: hisi-sfc-v3xx: Return IRQ_NONE if no interrupts were detected

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-04-03 · updated 2026-06-17
Weakness: CWE-476

Description

In the Linux kernel, the following vulnerability has been resolved: spi: hisi-sfc-v3xx: Return IRQ_NONE if no interrupts were detected Return IRQ_NONE from the interrupt handler when no interrupt was detected. Because an empty interrupt will cause a null pointer error: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008 Call trace: complete+0x54/0x100 hisi_sfc_v3xx_isr+0x2c/0x40 [spi_hisi_sfc_v3xx] __handle_irq_event_percpu+0x64/0x1e0 handle_irq_event+0x7c/0x1cc

Affected products

Debian Linux: 10.0
Linux kernel: before 5.10.211; from 5.11 before 5.15.150; from 5.16 before 6.1.80; from 6.2 before 6.6.19; from 6.7 before 6.7.7; 6.8-rc1 — fixed in 5.10.211, 5.15.150, 6.1.80, 6.6.19, 6.7.7

How to fix

Upgrade to a fixed version: Linux kernel 5.10.211, 5.15.150, 6.1.80, 6.6.19. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2024-26776 or the next vulnerability affects your stack