cve-2023-52519
Vulnerability from cvelistv5
Published
2024-03-02 21:52
Modified
2024-12-19 08:21
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: ipc: Disable and reenable ACPI GPE bit The EHL (Elkhart Lake) based platforms provide a OOB (Out of band) service, which allows to wakup device when the system is in S5 (Soft-Off state). This OOB service can be enabled/disabled from BIOS settings. When enabled, the ISH device gets PME wake capability. To enable PME wakeup, driver also needs to enable ACPI GPE bit. On resume, BIOS will clear the wakeup bit. So driver need to re-enable it in resume function to keep the next wakeup capability. But this BIOS clearing of wakeup bit doesn't decrement internal OS GPE reference count, so this reenabling on every resume will cause reference count to overflow. So first disable and reenable ACPI GPE bit using acpi_disable_gpe().
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/60fb3f054c99608ddb1f2466c07108da6292951e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8781fe259dd5a178fdd1069401bbd1437f9491c5
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8f02139ad9a7e6e5c05712f8c1501eebed8eacfd
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cdcc04e844a2d22d9d25cef1e8e504a174ea9f8f
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/60fb3f054c99608ddb1f2466c07108da6292951e
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8781fe259dd5a178fdd1069401bbd1437f9491c5
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/8f02139ad9a7e6e5c05712f8c1501eebed8eacfd
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/cdcc04e844a2d22d9d25cef1e8e504a174ea9f8f
Impacted products
Vendor Product Version
Linux Linux Version: 5.12
Show details on NVD website

To clipboard 

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