In the Linux kernel, the following vulnerability has been resolved:
mfd: cros_ec: Delay dev_set_drvdata() until probe success
If ec_device_probe() fails, cros_ec_class_release releases memory for the cros_ec_dev structure. However, because the drvdata was already set, sub-drivers like cros_ec_typec can still retrieve the stale pointer via the platform device. This leads to a use-after-free when cros_ec_typec attempts to access &typec->ec->ec->dev on a device that has already been released. Move dev_set_drvdata() to ensure that the pointer is only made available once all initialization steps have succeeded.
sysfs: cannot create duplicate filename '/class/chromeos/cros_ec' Call trace: sysfs_do_create_link_sd+0x94/0xdc sysfs_create_link+0x30/0x44 device_add_class_symlinks+0x90/0x13c device_add+0xf0/0x50c ec_device_probe+0x150/0x4f0 platform_probe+0xa0/0xe0 ... BUG: KASAN: invalid-access in __memcpy+0x44/0x230 Write at addr f5ffff809e2d33ac by task kworker/u32:5/125 Pointer tag: [f5], memory tag: [fe] Tainted : [W]=WARN, [O]=OOT_MODULE Hardware name: Google Navi unprovisioned 0x7FFFFFFF/sku0 board/sku3 Workqueue: events_unbound deferred_probe_work_func Call trace: __memcpy+0x44/0x230 cros_ec_check_features+0x60/0xcc [cros_ec_proto] cros_typec_probe+0xe8/0x6e0 [cros_ec_typec] platform_probe+0xa0/0xe0
CVSS Details
- CVSS 3.1 Base Score: 7
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux-6.1Upgrade linuxUpgrade linux-6.12 | Jul 28, 2026 | Jul 28, 2026 |
| Ubuntu | — | Upgrade linux-image-7.0.0-1013-ibmUpgrade linux-image-7.0.0-1013-oemUpgrade linux-image-aws-64kUpgrade linux-image-aws-7.0Upgrade linux-image-generic-64k-7.0Upgrade linux-image-7.0.0-1006-gke-64kUpgrade linux-image-generic-64k-hwe-26.04Upgrade linux-image-7.0.0-2018-nvidia-bosUpgrade linux-image-7.0.0-1012-awsUpgrade linux-image-ibm-7.0Upgrade linux-image-generic-64kUpgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-virtual-hwe-26.04Upgrade linux-image-aws-64k-7.0Upgrade linux-image-7.0.0-2018-nvidia-bos-64kUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-genericUpgrade linux-image-7.0.0-1019-raspiUpgrade linux-image-7.0.0-1019-raspi-realtimeUpgrade linux-image-nvidia-bos-7.0Upgrade linux-image-nvidia-bos-64kUpgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-oem-26.04Upgrade linux-image-7.0.0-1006-gkeUpgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-7.0.0-31-generic-64kUpgrade linux-image-nvidia-7.0Upgrade linux-image-gke-64k-7.0Upgrade linux-image-realtime-hwe-26.04Upgrade linux-image-gkeUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-raspiUpgrade linux-image-7.0.0-31-realtime-64kUpgrade linux-image-gcp-7.0Upgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-nvidia-64k-7.0Upgrade linux-image-nvidia-bosUpgrade linux-image-nvidiaUpgrade linux-image-ibmUpgrade linux-image-oem-26.04bUpgrade linux-image-realtime-7.0Upgrade linux-image-generic-hwe-26.04Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-virtualUpgrade linux-image-gke-64k-hwe-26.04Upgrade linux-image-gke-64kUpgrade linux-image-7.0.0-31-genericUpgrade linux-image-7.0.0-1018-nvidiaUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-gcpUpgrade linux-image-awsUpgrade linux-image-realtime-64k-hwe-26.04Upgrade linux-image-gke-7.0Upgrade linux-image-raspi-realtimeUpgrade linux-image-raspi-7.0Upgrade linux-image-7.0.0-31-realtimeUpgrade linux-image-7.0.0-1012-aws-64kUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-generic-7.0Upgrade linux-image-gcp-64kUpgrade linux-image-7.0.0-1018-nvidia-64kUpgrade linux-image-virtual-7.0Upgrade linux-image-realtime-64k-7.0Upgrade linux-image-realtimeUpgrade linux-image-oem-7.0Upgrade linux-image-nvidia-64kUpgrade linux-image-realtime-64kUpgrade linux-image-gke-hwe-26.04Upgrade linux-image-oem-26.04a | 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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