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CVE-2022-49508

Severity CVSS v4.0:
Pending analysis
Type:
CWE-415 Double Free
Publication date:
26/02/2025
Last modified:
17/03/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> HID: elan: Fix potential double free in elan_input_configured<br /> <br /> &amp;#39;input&amp;#39; is a managed resource allocated with devm_input_allocate_device(),<br /> so there is no need to call input_free_device() explicitly or<br /> there will be a double free.<br /> <br /> According to the doc of devm_input_allocate_device():<br /> * Managed input devices do not need to be explicitly unregistered or<br /> * freed as it will be done automatically when owner device unbinds from<br /> * its driver (or binding fails).

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x
7.80
Severity 3.x
HIGH

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.17 (including) 4.19.247 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 4.20 (including) 5.4.198 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.5 (including) 5.10.121 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.11 (including) 5.15.46 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.16 (including) 5.17.14 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.18 (including) 5.18.3 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools