CVE-2024-26776 spi: hisi-sfc-v3xx: Return IRQ_NONE if no interrupts were detected
A null pointer dereference in the Hisi SFC v3xx SPI driver causes a kernel crash when an empty interrupt is received, leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2024-26776?
CVE-2024-26776 is a medium-severity vulnerability in Debian Debian Linux, published on 3 Apr 2024. It can only be exploited from the same machine or local network, with no action from the victim.
Official 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
Weakness: CWE-476
Which versions are affected by CVE-2024-26776?
It affects 2 products.
Products include Debian Debian Linux, Linux kernel.
How do I fix CVE-2024-26776?
Apply the vendor's patch.
Is CVE-2024-26776 being exploited?
There is no known exploitation of CVE-2024-26776 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as BELL-CVE-2024-26776, DEBIAN-CVE-2024-26776, GHSA-3jw4-rrq4-7g22, UBUNTU-CVE-2024-26776.