CVE-2022-49508
HID: elan: Fix potential double free in elan_input_configured
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Description
In the Linux kernel, the following vulnerability has been resolved: HID: elan: Fix potential double free in elan_input_configured 'input' is a managed resource allocated with devm_input_allocate_device(), so there is no need to call input_free_device() explicitly or there will be a double free. According to the doc of devm_input_allocate_device(): * Managed input devices do not need to be explicitly unregistered or * freed as it will be done automatically when owner device unbinds from * its driver (or binding fails).
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/1af20714fedad238362571620be0bd690ded05b6
- https://git.kernel.org/stable/c/24f9dfdaece9bd75bb8dbfdba83eddeefdf7dc47
- https://git.kernel.org/stable/c/5291451851feeb66fd4bf0826710f482f3b1ab38
- https://git.kernel.org/stable/c/6d0726725c7c560495f5ff364862a2cefea542e3
- https://git.kernel.org/stable/c/8bb1716507ebf12d50bbf181764481de3b6bc7fd
References (7)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
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