CVE-2022-49665

platform/x86: thinkpad_acpi: Fix a memory leak of EFCH MMIO resource

MEDIUM
5.5
CVSS Score
Published: February 26, 2025 at 02:24 AM UTC
Updated: June 17, 2026 at 05:18 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: platform/x86: thinkpad_acpi: Fix a memory leak of EFCH MMIO resource Unlike release_mem_region(), a call to release_resource() does not free the resource, so it has to be freed explicitly to avoid a memory leak.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.18 ≤ v < 5.18.105.18 ≤ v < 5.195.18.1 ≤ v < 5.18.10455cd867b85b53fd3602345f9b8a8facc551adc95.185.18 rc75.19 rc15.19 rc25.19 rc35.19 rc4
Vendor states this is fixed in 3884bf75fa044c73e843d95dd71a424e80ebb095 (fixed)
Vendor states this is fixed in d2f33f0c3ad7b0d5262d9b986f1353265fad7a08 (fixed)
Vendor states this is fixed in 5.18 (unaffected)
Vendor states this is fixed in 5.18.10 (unaffected)
Vendor states this is fixed in 5.19 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (2)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/3884bf75fa044c73e843d95dd71a424e80ebb095
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d2f33f0c3ad7b0d5262d9b986f1353265fad7a08

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
CWE-401

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