Kernel panic via invalid PXO clock reference
Published Jun 18, 2025 · Updated May 11, 2026
Denial of service in the Linux kernel 5.14 through 5.19.1 allows local users to trigger a kernel panic through an ARM clock lookup. The Qualcomm IPQ8064 device tree points PXO at the GCC provider even though that driver does not supply fixed-clock PXO_SRC, so a driver request reaches an unavailable clock source. Exploitation requires local low-privilege access on an affected ARM Qualcomm IPQ8064 system and a driver that requests PXO; the consequence is a host crash.
Summary
What happened
Denial of service in the Linux kernel 5.14 through 5.19.1 allows local users to trigger a kernel panic through an ARM clock lookup. The Qualcomm IPQ8064 device tree points PXO at the GCC provider even though that driver does not supply fixed-clock PXO_SRC, so a driver request reaches an unavailable clock source. Exploitation requires local low-privilege access on an affected ARM Qualcomm IPQ8064 system and a driver that requests PXO; the consequence is a host crash.
The record
- CVE
- CVE-2022-50195
- Published
- Jun 18, 2025
- Updated
- May 11, 2026
- Vendor
- The Linux Kernel Organization
- Product
- Linux
- Classifications
- T1499
- Attack vector
- local
- Privileges
- authenticated
Timeline
How it unfolded
- Jun 18, 2025CVE publishedPublication date reported by the CVE source.
- May 11, 2026Record updatedLatest update available in the CVE record.
Exploitability
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Is a vulnerable build present?
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- Affected versionversion=40cf5c884a965554a424797afb424ffbca4c24b3 <0a4fa4ce697987b71eafce17bb198961ed9070bd
- Affected versionversion=40cf5c884a965554a424797afb424ffbca4c24b3 <eb9e93937756a05787977875830c0dc482cb57e0
- Affected versionversion=5.14
What conditions does exploitation require?
What is affected?
Published CVSS scores
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Attacks
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Technologies
Your stack
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Your stack
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