Service interruption via probe error memory leaks
Published Sep 16, 2025 · Updated Sep 16, 2025
A memory leak in the i.MX RT1050 clock driver in Linux 5.18 through 6.4.3 allows local users to interrupt service via probe failures. The imxrt1050_clocks_probe function leaves of_iomap mappings and kzalloc allocations unreleased when later initialization steps fail, and it does not unregister already-created hardware clock handles after an iomap failure. Reachability requires local low-privileged access and an i.MX RT1050 system whose clock-driver probe enters an error path; repeated leaks can exhaust kernel resources and halt service.
Summary
What happened
A memory leak in the i.MX RT1050 clock driver in Linux 5.18 through 6.4.3 allows local users to interrupt service via probe failures. The imxrt1050_clocks_probe function leaves of_iomap mappings and kzalloc allocations unreleased when later initialization steps fail, and it does not unregister already-created hardware clock handles after an iomap failure. Reachability requires local low-privileged access and an i.MX RT1050 system whose clock-driver probe enters an error path; repeated leaks can exhaust kernel resources and halt service.
The record
- CVE
- CVE-2023-53264
- Published
- Sep 16, 2025
- Updated
- Sep 16, 2025
- Vendor
- The Linux Kernel Organization
- Product
- Linux
- Classifications
- CWE-401, T1499
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Sep 16, 2025CVE publishedPublication date reported by the CVE source.
- Sep 16, 2025Record updatedLatest update available in the CVE record.
Exploitability
Present is not the same as exploitable
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Is a vulnerable build present?
Compare these published version ranges with your installed build and any vendor patches.
- Affected versionversion=5.18
- Affected versionversion=7154b046d8f3a441474ced1688eb348d42f5f165 <02e54db221bb001b32f839e0149ee8d890ab9aa1
- Affected versionversion=7154b046d8f3a441474ced1688eb348d42f5f165 <0fbdfd2542252e4c02e8158a06b7c0c9cfd40f99
- Affected versionversion=7154b046d8f3a441474ced1688eb348d42f5f165 <1839032251a66f2ae5a043c495532830a55d28c4
- Affected versionversion=7154b046d8f3a441474ced1688eb348d42f5f165 <1b280598ab3bd8a2dc8b96a12530d5b1ee7a8f4a
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
What attackers are doing with it
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Weakness, pattern, technique
Public exploit references
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Technologies
Your stack
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Your stack
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