fkie_cve-2025-21928
Vulnerability from fkie_nvd
Published
2025-04-01 16:15
Modified
2025-04-16 14:15
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove() The system can experience a random crash a few minutes after the driver is removed. This issue occurs due to improper handling of memory freeing in the ishtp_hid_remove() function. The function currently frees the `driver_data` directly within the loop that destroys the HID devices, which can lead to accessing freed memory. Specifically, `hid_destroy_device()` uses `driver_data` when it calls `hid_ishtp_set_feature()` to power off the sensor, so freeing `driver_data` beforehand can result in accessing invalid memory. This patch resolves the issue by storing the `driver_data` in a temporary variable before calling `hid_destroy_device()`, and then freeing the `driver_data` after the device is destroyed.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/01b18a330cda61cc21423a7d1af92cf31ded8f60Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/07583a0010696a17fb0942e0b499a62785c5fc9fPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0c1fb475ef999d6c22fc3f963fdf20cb3ed1b03dPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/560f4d1299342504a6ab8a47f575b5e6b8345adaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cf1a6015d2f6b1f0afaa0fd6a0124ff2c7943394Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/d3faae7f42181865c799d88c5054176f38ae4625Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/dea6a349bcaf243fff95dfd0428a26be6a0fb44ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/eb0695d87a81e7c1f0509b7d8ee7c65fbc26aec9Patch
Impacted products
Vendor Product Version
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel *
linux linux_kernel 6.14
linux linux_kernel 6.14
linux linux_kernel 6.14
linux linux_kernel 6.14
linux linux_kernel 6.14


To clipboard 

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      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: intel-ish-hid: Fix use-after-free issue in ishtp_hid_remove()\n\nThe system can experience a random crash a few minutes after the driver is\nremoved. This issue occurs due to improper handling of memory freeing in\nthe ishtp_hid_remove() function.\n\nThe function currently frees the `driver_data` directly within the loop\nthat destroys the HID devices, which can lead to accessing freed memory.\nSpecifically, `hid_destroy_device()` uses `driver_data` when it calls\n`hid_ishtp_set_feature()` to power off the sensor, so freeing\n`driver_data` beforehand can result in accessing invalid memory.\n\nThis patch resolves the issue by storing the `driver_data` in a temporary\nvariable before calling `hid_destroy_device()`, and then freeing the\n`driver_data` after the device is destroyed."
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