In the Linux kernel, the following vulnerability has been resolved:
coresight: tmc: add the handle of the event to the path
The handle is essential for retrieving the AUX_EVENT of each CPU and is required in perf mode. It has been added to the coresight_path so that dependent devices can access it from the path when needed.
The existing bug can be reproduced with: perf record -e cs_etm//k -C 0-9 dd if=/dev/zero of=/dev/null
Showing an oops as follows: Unable to handle kernel paging request at virtual address 000f6e84934ed19e
Call trace: tmc_etr_get_buffer+0x30/0x80 [coresight_tmc] (P) catu_enable_hw+0xbc/0x3d0 [coresight_catu] catu_enable+0x70/0xe0 [coresight_catu] coresight_enable_path+0xb0/0x258 [coresight]
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Ubuntu | — | Upgrade linux-image-6.17.0-1009-oracle-64kUpgrade linux-image-oracle-64kUpgrade linux-image-awsUpgrade linux-image-oem-24.04cUpgrade linux-image-gcpUpgrade linux-image-gcp-6.17Upgrade linux-image-6.17.0-19-generic-64kUpgrade linux-image-6.17.0-1009-gcpUpgrade linux-image-oem-6.17Upgrade linux-image-raspi-6.17Upgrade linux-image-realtimeUpgrade linux-image-oracleUpgrade linux-image-oem-24.04dUpgrade linux-image-6.17.0-19-genericUpgrade linux-image-6.17.0-1009-gcp-64kUpgrade linux-image-oracle-6.17Upgrade linux-image-aws-64k-6.17Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.17.0-1009-aws-64kUpgrade linux-image-6.17.0-1009-awsUpgrade linux-image-6.17.0-1010-azureUpgrade linux-image-6.17.0-1010-raspiUpgrade linux-image-virtualUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-realtime-6.17Upgrade linux-image-gcp-64kUpgrade linux-image-oracle-64k-6.17Upgrade linux-image-oem-24.04aUpgrade linux-image-6.17.0-1008-realtimeUpgrade linux-image-aws-6.17Upgrade linux-image-6.17.0-1017-oemUpgrade linux-image-azure-6.17Upgrade linux-image-genericUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-oem-24.04bUpgrade linux-image-oem-24.04Upgrade linux-image-azureUpgrade linux-image-raspiUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-gcp-64k-6.17Upgrade linux-image-aws-64kUpgrade linux-image-6.17.0-1009-oracleUpgrade linux-image-generic-64kUpgrade linux-image-virtual-6.17Upgrade linux-image-generic-64k-6.17Upgrade linux-image-generic-6.17 | Mar 17, 2026 | Dec 24, 2025 |
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