CVE-2023-53682

hwmon: (xgene) Fix ioremap and memremap leak

MEDIUM
5.5
CVSS Score
Published: October 7, 2025 at 03:21 PM UTC
Updated: October 28, 2026 at 08:10 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.1%

Description

In the Linux kernel, the following vulnerability has been resolved: hwmon: (xgene) Fix ioremap and memremap leak Smatch reports: drivers/hwmon/xgene-hwmon.c:757 xgene_hwmon_probe() warn: 'ctx->pcc_comm_addr' from ioremap() not released on line: 757. This is because in drivers/hwmon/xgene-hwmon.c:701 xgene_hwmon_probe(), ioremap and memremap is not released, which may cause a leak. To fix this, ioremap and memremap is modified to devm_ioremap and devm_memremap. [groeck: Fixed formatting and subject]

Affected

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

4.9 ≤ v < 6.1.256.2 ≤ v < 6.2.124.96.36.3 rc16.3 rc26.3 rc3ed42cfa881e1d8d9603b7cb872199e3c8e0d1b19
Vendor states this is fixed in 1773185a0a87006c1be78a978d9dd61aa7a33db8 (fixed)
Vendor states this is fixed in 813cc94c7847ae4a17e9f744fb4dbdf7df6bd732 (fixed)
Vendor states this is fixed in 9d482a09acd3d5f61a56aefc125d32c81994707b (fixed)
Vendor states this is fixed in 4.9 (unaffected)
Vendor states this is fixed in 6.1.25 (unaffected)
Vendor states this is fixed in 6.2.12 (unaffected)
Vendor states this is fixed in 6.3 (unaffected)

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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