GHSA-433X-CQCQ-WQV9
Vulnerability from github – Published: 2025-07-28 12:30 – Updated: 2026-01-07 18:30In 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
{
"affected": [],
"aliases": [
"CVE-2025-38485"
],
"database_specific": {
"cwe_ids": [
"CWE-416"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-07-28T12:15:30Z",
"severity": "HIGH"
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: accel: fxls8962af: Fix use after free in fxls8962af_fifo_flush\n\nfxls8962af_fifo_flush() uses indio_dev-\u003eactive_scan_mask (with\niio_for_each_active_channel()) without making sure the indio_dev\nstays in buffer mode.\nThere is a race if indio_dev exits buffer mode in the middle of the\ninterrupt that flushes the fifo. Fix this by calling\nsynchronize_irq() to ensure that no interrupt is currently running when\ndisabling buffer mode.\n\nUnable to handle kernel NULL pointer dereference at virtual address 00000000 when read\n[...]\n_find_first_bit_le from fxls8962af_fifo_flush+0x17c/0x290\nfxls8962af_fifo_flush from fxls8962af_interrupt+0x80/0x178\nfxls8962af_interrupt from irq_thread_fn+0x1c/0x7c\nirq_thread_fn from irq_thread+0x110/0x1f4\nirq_thread from kthread+0xe0/0xfc\nkthread from ret_from_fork+0x14/0x2c",
"id": "GHSA-433x-cqcq-wqv9",
"modified": "2026-01-07T18:30:18Z",
"published": "2025-07-28T12:30:35Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-38485"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/1803d372460aaa9ae0188a30c9421d3f157f2f04"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/1fe16dc1a2f5057772e5391ec042ed7442966c9a"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/6ecd61c201b27ad2760b3975437ad2b97d725b98"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/bfcda3e1015791b3a63fb4d3aad408da9cf76e8f"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/dda42f23a8f5439eaac9521ce0531547d880cc54"
},
{
"type": "WEB",
"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
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