CVE-2025-38485 - "Linux Kernel IIO Accel FXLS8962AF Use After Free Null Pointer Dereference Vulnerability"

CVE-2025-38485 - "Linux Kernel IIO Accel FXLS8962AF Use After Free Null Pointer Dereference Vulnerability"

https://cvefeed.io/rssfeed/latest.atom / Mon, 07/28/2025 - 17:32
CVE ID : CVE-2025-38485
Published : July 28, 2025, 12:15 p.m. | 1 hour, 59 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: iio: accel: fxls8962af: Fix use after free in fxls8962af_fifo_flush fxls8962af_fifo_flush() uses indio_dev->active_scan_mask (with iio_for_each_active_channel()) without making sure the indio_dev stays in buffer mode. There is a race if indio_dev exits buffer mode in the middle of the interrupt that flushes the fifo. Fix this by calling synchronize_irq() to ensure that no interrupt is currently running when disabling buffer mode. Unable to handle kernel NULL pointer dereference at virtual address 00000000 when read [...] _find_first_bit_le from fxls8962af_fifo_flush+0x17c/0x290 fxls8962af_fifo_flush from fxls8962af_interrupt+0x80/0x178 fxls8962af_interrupt from irq_thread_fn+0x1c/0x7c irq_thread_fn from irq_thread+0x110/0x1f4 irq_thread from kthread+0xe0/0xfc kthread from ret_from_fork+0x14/0x2c
Severity: 0.0 | NA
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