CVE-2026-63839

platform/x86: lenovo-wmi-helpers: Fix memory leak in lwmi_dev_evaluate_int()

N/A
Published: July 19, 2026 at 02:04 PM UTC
Updated: September 7, 2026 at 04:17 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
N/A
Exploit prediction
EPSS 0.2%

Description

In the Linux kernel, the following vulnerability has been resolved: platform/x86: lenovo-wmi-helpers: Fix memory leak in lwmi_dev_evaluate_int() lwmi_dev_evaluate_int() leaks output.pointer when retval == NULL (found by sashiko.dev [1]). Fix it by moving `ret_obj = output.pointer' outside of the `if (retval)' block so that it is always freed by the __free cleanup callback. No functional change intended.

Affected

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

6.17 ≤ v < 6.18.506.17 ≤ v < 7.0.106.17 ≤ v < 7.16.17e521d16e76cd9ea99c585e064f4e7daf657b1451
Vendor states this is fixed in 0c3887a134f191723b53e2a47e501b534c8723ee (fixed)
Vendor states this is fixed in 40a984dd0602e238ad893b167751620e751d1199 (fixed)
Vendor states this is fixed in ce493f9261cd3f4bffe2f72481d8c3ee01c559a3 (fixed)
Vendor states this is fixed in 6.17 (unaffected)
Vendor states this is fixed in 6.18.50 (unaffected)
Vendor states this is fixed in 7.0.10 (unaffected)
Vendor states this is fixed in 7.1 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

Quick Info

StatusAWAITING ANALYSIS

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