In the Linux kernel, the following vulnerability has been resolved:
pds_core: remove write-after-free of client_id
A use-after-free error popped up in stress testing:
[Mon Apr 21 21:21:33 2025] BUG: KFENCE: use-after-free write in pdsc_auxbus_dev_del+0xef/0x160 [pds_core] [Mon Apr 21 21:21:33 2025] Use-after-free write at 0x000000007013ecd1 (in kfence-#47): [Mon Apr 21 21:21:33 2025] pdsc_auxbus_dev_del+0xef/0x160 [pds_core] [Mon Apr 21 21:21:33 2025] pdsc_remove+0xc0/0x1b0 [pds_core] [Mon Apr 21 21:21:33 2025] pci_device_remove+0x24/0x70 [Mon Apr 21 21:21:33 2025] device_release_driver_internal+0x11f/0x180 [Mon Apr 21 21:21:33 2025] driver_detach+0x45/0x80 [Mon Apr 21 21:21:33 2025] bus_remove_driver+0x83/0xe0 [Mon Apr 21 21:21:33 2025] pci_unregister_driver+0x1a/0x80
The actual device uninit usually happens on a separate thread scheduled after this code runs, but there is no guarantee of order of thread execution, so this could be a problem. There's no actual need to clear the client_id at this point, so simply remove the offending code.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Oracle_linux | — | Upgrade kernel-uek | Nov 13, 2025 | May 20, 2025 |
| Ubuntu | — | Upgrade linux-image-6.8.0-100-lowlatency-64kUpgrade linux-image-aws-6.14Upgrade linux-image-6.8.0-100-fipsUpgrade linux-image-azure-fipsUpgrade linux-image-6.14.0-1011-gcp-64kUpgrade linux-image-gkeUpgrade linux-image-generic-64k-6.8Upgrade linux-image-6.14.0-1009-awsUpgrade linux-image-6.14.0-1009-oracleUpgrade linux-image-oem-22.04bUpgrade linux-image-6.8.0-1043-oracle-64kUpgrade linux-image-generic-64kUpgrade linux-image-xilinx-6.8Upgrade linux-image-ibm-6.8Upgrade linux-image-aws-fips-6.8Upgrade linux-image-gke-64k-6.8Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-realtime-hwe-24.04Upgrade linux-image-realtime-6.14Upgrade linux-image-6.8.0-1023-xilinxUpgrade linux-image-gcp-64k-6.14Upgrade linux-image-aws-lts-24.04Upgrade linux-image-kvmUpgrade linux-image-aws-64k-6.8Upgrade linux-image-oem-22.04cUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.8.0-1047-gcp-fipsUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-fips-6.8Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-raspiUpgrade linux-image-realtime-6.8.1Upgrade linux-image-6.8.0-1043-gkeUpgrade linux-image-generic-6.8Upgrade linux-image-gcp-64kUpgrade linux-image-6.14.0-1009-oracle-64kUpgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-generic-hwe-24.04Upgrade linux-image-oem-24.04Upgrade linux-image-6.14.0-1009-aws-64kUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-aws-64kUpgrade linux-image-6.14.0-1009-raspiUpgrade linux-image-oem-22.04dUpgrade linux-image-6.8.0-1043-oracleUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-raspi-6.14Upgrade linux-image-xilinxUpgrade linux-image-6.8.0-1046-awsUpgrade linux-image-azureUpgrade linux-image-raspi-realtimeUpgrade linux-image-virtual-6.14Upgrade linux-image-oracle-64kUpgrade linux-image-raspi-6.8Upgrade linux-image-azure-fips-6.8Upgrade linux-image-6.8.0-1047-raspiUpgrade linux-image-intel-iotgUpgrade linux-image-gcp-fipsUpgrade linux-image-oem-24.04cUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-realtimeUpgrade linux-image-aws-64k-6.14Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-gcpUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-oracle-6.8Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-gke-6.8Upgrade linux-image-gcp-6.14Upgrade linux-image-6.8.0-1046-azure-fipsUpgrade linux-image-aws-6.8Upgrade linux-image-6.8.0-1046-nvidia-lowlatency-64kUpgrade linux-image-oem-24.04aUpgrade linux-image-virtual-6.8Upgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1046-aws-fipsUpgrade linux-image-6.14.0-24-genericUpgrade linux-image-6.14.0-1011-gcpUpgrade linux-image-generic-6.14Upgrade linux-image-azure-6.8Upgrade linux-image-6.14.0-1006-realtimeUpgrade linux-image-oracle-6.14Upgrade linux-image-6.8.0-1046-aws-64kUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-6.8.0-1046-azureUpgrade linux-image-fipsUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-gkeopUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-azure-6.14Upgrade linux-image-6.8.0-1043-gke-64kUpgrade linux-image-oem-6.14Upgrade linux-image-ibm-classicUpgrade linux-image-6.8.0-100-lowlatencyUpgrade linux-image-6.8.1-1041-realtimeUpgrade linux-image-6.8.0-1046-nvidia-64kUpgrade linux-image-ibmUpgrade linux-image-generic-lpaeUpgrade linux-image-genericUpgrade linux-image-generic-64k-6.14Upgrade linux-image-6.8.0-2037-raspi-realtimeUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-6.8.0-1047-gcp-64kUpgrade linux-image-nvidiaUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-gke-64kUpgrade linux-image-lowlatency-6.8Upgrade linux-image-6.14.0-1007-oemUpgrade linux-image-raspi-realtime-6.8Upgrade linux-image-awsUpgrade linux-image-gcp-6.8Upgrade linux-image-6.8.0-1046-nvidiaUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-oem-22.04aUpgrade linux-image-oracle-64k-6.14Upgrade linux-image-oracleUpgrade linux-image-oem-22.04Upgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.8.0-1044-ibmUpgrade linux-image-6.14.0-24-generic-64kUpgrade linux-image-azure-lts-24.04Upgrade linux-image-gkeop-6.8Upgrade linux-image-6.8.0-1046-nvidia-lowlatencyUpgrade linux-image-6.14.0-1010-azureUpgrade linux-image-6.8.0-100-generic-64kUpgrade linux-image-virtualUpgrade linux-image-6.8.0-1047-gcpUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-xilinx-zynqmpUpgrade linux-image-lowlatencyUpgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-1051-azureUpgrade linux-image-6.8.0-1030-gkeopUpgrade linux-image-6.8.0-100-genericUpgrade linux-image-aws-fips | Jun 26, 2025 | May 20, 2025 |
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