In the Linux kernel, the following vulnerability has been resolved:
hwmon: (ibmpex) fix use-after-free in high/low store
The ibmpex_high_low_store() function retrieves driver data using
dev_get_drvdata() and uses it without validation. This creates a race
condition where the sysfs callback can be invoked after the data
structure is freed, leading to use-after-free.
Fix by adding a NULL check after dev_get_drvdata(), and reordering
operations in the deletion path to prevent TOCTOU.
hwmon: (ibmpex) fix use-after-free in high/low store
The ibmpex_high_low_store() function retrieves driver data using
dev_get_drvdata() and uses it without validation. This creates a race
condition where the sysfs callback can be invoked after the data
structure is freed, leading to use-after-free.
Fix by adding a NULL check after dev_get_drvdata(), and reordering
operations in the deletion path to prevent TOCTOU.
Advisories
No advisories yet.
Fixes
Solution
No solution given by the vendor.
Workaround
No workaround given by the vendor.
References
History
Mon, 19 Jan 2026 12:45:00 +0000
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Thu, 15 Jan 2026 00:15:00 +0000
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| Metrics |
threat_severity
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cvssV3_1
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Tue, 13 Jan 2026 15:45:00 +0000
| Type | Values Removed | Values Added |
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| Description | In the Linux kernel, the following vulnerability has been resolved: hwmon: (ibmpex) fix use-after-free in high/low store The ibmpex_high_low_store() function retrieves driver data using dev_get_drvdata() and uses it without validation. This creates a race condition where the sysfs callback can be invoked after the data structure is freed, leading to use-after-free. Fix by adding a NULL check after dev_get_drvdata(), and reordering operations in the deletion path to prevent TOCTOU. | |
| Title | hwmon: (ibmpex) fix use-after-free in high/low store | |
| First Time appeared |
Linux
Linux linux Kernel |
|
| CPEs | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | |
| Vendors & Products |
Linux
Linux linux Kernel |
|
| References |
|
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Projects
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Status: PUBLISHED
Assigner: Linux
Published:
Updated: 2026-02-09T08:33:36.199Z
Reserved: 2025-12-24T10:30:51.037Z
Link: CVE-2025-68789
No data.
Status : Awaiting Analysis
Published: 2026-01-13T16:15:58.750
Modified: 2026-01-19T13:16:13.953
Link: CVE-2025-68789
OpenCVE Enrichment
No data.
Weaknesses
No weakness.