CVE-2023-53759 - HID: hidraw: fix data race on device refcount

CVE-2023-53759 - HID: hidraw: fix data race on device refcount

https://cvefeed.io/rssfeed/latest.atom / Mon, 12/08/2025 - 04:52
CVE ID : CVE-2023-53759
Published : Dec. 8, 2025, 2:15 a.m. | 29 minutes ago
Description : In the Linux kernel, the following vulnerability has been resolved: HID: hidraw: fix data race on device refcount The hidraw_open() function increments the hidraw device reference counter. The counter has no dedicated synchronization mechanism, resulting in a potential data race when concurrently opening a device. The race is a regression introduced by commit 8590222e4b02 ("HID: hidraw: Replace hidraw device table mutex with a rwsem"). While minors_rwsem is intended to protect the hidraw_table itself, by instead acquiring the lock for writing, the reference counter is also protected. This is symmetrical to hidraw_release().
Severity: 0.0 | NA
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