CVE-2026-93826
7.5
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved:
HID: hidpp: fix potential UAF in hidpp_connect_event()
If input_register_device() fails, we call input_free_device(), but keep stale pointer to the old device in hidpp->input, which could potentially lead to UAF. Fix that by resetting it to NULL before returning from hidpp_connect_event().
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | c39e3d5fc9dd3e16c6f59dd94d827540040de66d < e03fd646adad7f97fa4429ec5f38cee9bde5276e | affected |
| Linux | Linux | c39e3d5fc9dd3e16c6f59dd94d827540040de66d < 5d7637f4d050d105177217e64b869f56f9825060 | affected |
| Linux | Linux | c39e3d5fc9dd3e16c6f59dd94d827540040de66d < 3b8b2e58b078cd30e121401535541bb8a6d57133 | affected |
| Linux | Linux | c39e3d5fc9dd3e16c6f59dd94d827540040de66d < 3303398cc2aa255ba251650a30024e11d48ea6c3 | affected |
| Linux | Linux | c39e3d5fc9dd3e16c6f59dd94d827540040de66d < 6df6b1f2c49678211f65647c300bc51dda02893b | affected |
| Linux | Linux | 3.19 | affected |
| Linux | Linux | 0 < 3.19 | unaffected |
| Linux | Linux | 6.1.189 <= 6.1.* | unaffected |
| Linux | Linux | 6.6.158 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.111 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.53 <= 6.18.* | unaffected |
| Linux | Linux | 7.2 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/e03fd646adad7f97fa4429ec5f38cee9bde5276e
- https://git.kernel.org/stable/c/5d7637f4d050d105177217e64b869f56f9825060
- https://git.kernel.org/stable/c/3b8b2e58b078cd30e121401535541bb8a6d57133
- https://git.kernel.org/stable/c/3303398cc2aa255ba251650a30024e11d48ea6c3
- https://git.kernel.org/stable/c/6df6b1f2c49678211f65647c300bc51dda02893b
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