In the Linux kernel, the following vulnerability has been resolved:
stackdepot: fix stack_depot_save_flags() in NMI context
Per documentation, stack_depot_save_flags() was meant to be usable from NMI context if STACK_DEPOT_FLAG_CAN_ALLOC is unset. However, it still would try to take the pool_lock in an attempt to save a stack trace in the current pool (if space is available).
This could result in deadlock if an NMI is handled while pool_lock is already held. To avoid deadlock, only try to take the lock in NMI context and give up if unsuccessful.
The documentation is fixed to clearly convey this.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 27, 2026 | Jul 27, 2026 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | Jan 11, 2025 |
| Ubuntu | — | Upgrade linux-image-raspiUpgrade linux-image-nvidiaUpgrade linux-image-6.11.0-1013-oracleUpgrade linux-image-azure-nvidiaUpgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-lowlatencyUpgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-kvmUpgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-oem-22.04aUpgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-6.11.0-1012-azure-fdeUpgrade linux-image-azureUpgrade linux-image-ibmUpgrade linux-image-gkeop-6.8Upgrade linux-image-6.8.0-1026-nvidia-lowlatencyUpgrade linux-image-6.11.0-1017-oemUpgrade linux-image-6.11.0-1011-lowlatencyUpgrade linux-image-6.11.0-1011-lowlatency-64kUpgrade linux-image-6.11.0-1012-azureUpgrade linux-image-6.8.0-58-generic-64kUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-6.8.1-1020-realtimeUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-6.11.0-1007-realtimeUpgrade linux-image-oem-22.04cUpgrade linux-image-azure-fdeUpgrade linux-image-6.11.0-1011-awsUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-ibm-classicUpgrade linux-image-generic-64kUpgrade linux-image-gcp-64kUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-6.8.0-58-genericUpgrade linux-image-oem-22.04bUpgrade linux-image-6.11.0-1011-gcp-64kUpgrade linux-image-6.8.0-1028-gcpUpgrade linux-image-6.8.0-1026-oemUpgrade linux-image-azure-lts-24.04Upgrade linux-image-awsUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-generic-lpaeUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-6.8.0-58-lowlatencyUpgrade linux-image-6.8.0-1024-oracle-64kUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-1023-gkeUpgrade linux-image-oem-24.04Upgrade linux-image-raspi-realtimeUpgrade linux-image-gkeUpgrade linux-image-virtualUpgrade linux-image-gcpUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-aws-lts-24.04Upgrade linux-image-6.11.0-21-generic-64kUpgrade linux-image-oem-24.04bUpgrade linux-image-6.11.0-21-genericUpgrade linux-image-6.11.0-1011-gcpUpgrade linux-image-6.8.0-1028-gcp-64kUpgrade linux-image-6.8.0-1026-nvidia-64kUpgrade linux-image-6.8.0-1026-nvidiaUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-oracleUpgrade linux-image-6.8.0-1010-gkeopUpgrade linux-image-6.8.0-1027-awsUpgrade linux-image-6.8.0-1027-azureUpgrade linux-image-gkeopUpgrade linux-image-6.11.0-1010-raspiUpgrade linux-image-oem-24.04aUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-lowlatency-64kUpgrade linux-image-oem-22.04dUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.8.0-1024-oracleUpgrade linux-image-nvidia-64kUpgrade linux-image-6.8.0-1024-ibmUpgrade linux-image-nvidia-6.8Upgrade linux-image-oem-22.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-genericUpgrade linux-image-6.8.0-58-lowlatency-64kUpgrade linux-image-oracle-64kUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-6.11.0-1013-oracle-64kUpgrade linux-image-realtimeUpgrade linux-image-6.8.0-1027-azure-fdeUpgrade linux-image-6.8.0-1026-nvidia-lowlatency-64k | Mar 28, 2025 | Jan 11, 2025 |
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