CVE-2025-68330 (GCVE-0-2025-68330)

Vulnerability from cvelistv5 – Published: 2025-12-22 16:12 – Updated: 2025-12-22 16:14
VLAI?
Title
iio: accel: bmc150: Fix irq assumption regression
Summary
In the Linux kernel, the following vulnerability has been resolved: iio: accel: bmc150: Fix irq assumption regression The code in bmc150-accel-core.c unconditionally calls bmc150_accel_set_interrupt() in the iio_buffer_setup_ops, such as on the runtime PM resume path giving a kernel splat like this if the device has no interrupts: Unable to handle kernel NULL pointer dereference at virtual address 00000001 when read PC is at bmc150_accel_set_interrupt+0x98/0x194 LR is at __pm_runtime_resume+0x5c/0x64 (...) Call trace: bmc150_accel_set_interrupt from bmc150_accel_buffer_postenable+0x40/0x108 bmc150_accel_buffer_postenable from __iio_update_buffers+0xbe0/0xcbc __iio_update_buffers from enable_store+0x84/0xc8 enable_store from kernfs_fop_write_iter+0x154/0x1b4 This bug seems to have been in the driver since the beginning, but it only manifests recently, I do not know why. Store the IRQ number in the state struct, as this is a common pattern in other drivers, then use this to determine if we have IRQ support or not.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < aad9d048a3211c48ec02efa405bf462856feb862 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < c891f504bb66604c822e7985e093cf39b97fdeb0 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < cdd4a9e98004bd7c7488311951fa6dbae38b2b80 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 65ad4ed983fd9ee0259d86391d6a53f78203918c (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 93eaa5ddc5fc4f50ac396afad8ce261102ebd4f3 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 3aa385a9c75c09b59dcab2ff76423439d23673ab (git)
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    Linux Linux Unaffected: 5.15.197 , ≤ 5.15.* (semver)
Unaffected: 6.1.159 , ≤ 6.1.* (semver)
Unaffected: 6.6.119 , ≤ 6.6.* (semver)
Unaffected: 6.12.61 , ≤ 6.12.* (semver)
Unaffected: 6.17.11 , ≤ 6.17.* (semver)
Unaffected: 6.18 , ≤ * (original_commit_for_fix)
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            "drivers/iio/accel/bmc150-accel-core.c",
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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\niio: accel: bmc150: Fix irq assumption regression\n\nThe code in bmc150-accel-core.c unconditionally calls\nbmc150_accel_set_interrupt() in the iio_buffer_setup_ops,\nsuch as on the runtime PM resume path giving a kernel\nsplat like this if the device has no interrupts:\n\nUnable to handle kernel NULL pointer dereference at virtual\n  address 00000001 when read\n\nPC is at bmc150_accel_set_interrupt+0x98/0x194\nLR is at __pm_runtime_resume+0x5c/0x64\n(...)\nCall trace:\nbmc150_accel_set_interrupt from bmc150_accel_buffer_postenable+0x40/0x108\nbmc150_accel_buffer_postenable from __iio_update_buffers+0xbe0/0xcbc\n__iio_update_buffers from enable_store+0x84/0xc8\nenable_store from kernfs_fop_write_iter+0x154/0x1b4\n\nThis bug seems to have been in the driver since the beginning,\nbut it only manifests recently, I do not know why.\n\nStore the IRQ number in the state struct, as this is a common\npattern in other drivers, then use this to determine if we have\nIRQ support or not."
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      "providerMetadata": {
        "dateUpdated": "2025-12-22T16:14:07.891Z",
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        {
          "url": "https://git.kernel.org/stable/c/3aa385a9c75c09b59dcab2ff76423439d23673ab"
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      "title": "iio: accel: bmc150: Fix irq assumption regression",
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    "datePublished": "2025-12-22T16:12:23.864Z",
    "dateReserved": "2025-12-16T14:48:05.296Z",
    "dateUpdated": "2025-12-22T16:14:07.891Z",
    "state": "PUBLISHED"
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  }
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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