In the Linux kernel, the following vulnerability has been resolved:
cpufreq: qcom-cpufreq-hw: Fix possible double free
qcom_cpufreq.data is allocated with devm_kzalloc() in probe() as an array of per-domain data. qcom_cpufreq_hw_cpu_init() stores a pointer to one element of this array in policy->driver_data.
qcom_cpufreq_hw_cpu_exit() currently calls kfree() on policy->driver_data. This is not valid because the memory is devm-managed. For the first domain, this can free the devm-managed allocation while the devres entry is still active, leading to a possible double free when the platform device is later detached. For other domains, the pointer may refer to an element inside the array rather than the allocation base.
Remove the kfree(data) call and let devres release qcom_cpufreq.data.
This issue was found by a static analysis tool I am developing.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linuxUpgrade linux-6.12 | Jul 28, 2026 | Jul 28, 2026 |
| Ubuntu | — | Upgrade linux-image-gcp-7.0Upgrade linux-image-nvidia-64k-7.0Upgrade linux-image-gke-7.0Upgrade linux-image-gke-64kUpgrade linux-image-aws-7.0Upgrade linux-image-virtual-7.0Upgrade linux-image-realtime-7.0Upgrade linux-image-7.0.0-1019-raspi-realtimeUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-aws-64k-7.0Upgrade linux-image-7.0.0-1018-nvidiaUpgrade linux-image-gke-hwe-26.04Upgrade linux-image-nvidia-7.0Upgrade linux-image-oem-26.04bUpgrade linux-image-7.0.0-1013-oemUpgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-genericUpgrade linux-image-7.0.0-31-realtime-64kUpgrade linux-image-7.0.0-31-generic-64kUpgrade linux-image-gke-64k-hwe-26.04Upgrade linux-image-7.0.0-31-realtimeUpgrade linux-image-generic-64kUpgrade linux-image-virtualUpgrade linux-image-virtual-hwe-26.04Upgrade linux-image-7.0.0-1019-raspiUpgrade linux-image-7.0.0-1006-gkeUpgrade linux-image-gkeUpgrade linux-image-generic-64k-7.0Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-raspiUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-oem-7.0Upgrade linux-image-aws-64kUpgrade linux-image-realtime-64k-7.0Upgrade linux-image-7.0.0-1012-aws-64kUpgrade linux-image-realtime-hwe-26.04Upgrade linux-image-gke-64k-7.0Upgrade linux-image-awsUpgrade linux-image-realtime-64kUpgrade linux-image-7.0.0-31-genericUpgrade linux-image-oem-26.04aUpgrade linux-image-oem-26.04Upgrade linux-image-virtual-hwe-24.04Upgrade linux-image-generic-hwe-26.04Upgrade linux-image-generic-7.0Upgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-7.0.0-1012-awsUpgrade linux-image-realtimeUpgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-raspi-realtimeUpgrade linux-image-gcp-64kUpgrade linux-image-raspi-7.0Upgrade linux-image-gcpUpgrade linux-image-7.0.0-1018-nvidia-64kUpgrade linux-image-7.0.0-1006-gke-64k | Sep 14, 2026 | Sep 7, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jul 31, 2026 | Jul 25, 2026 |
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