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-generic-hwe-24.04Upgrade linux-image-6.11.0-1017-oemUpgrade linux-image-6.8.1-1020-realtimeUpgrade linux-image-nvidiaUpgrade linux-image-oem-22.04cUpgrade linux-image-azureUpgrade linux-image-ibmUpgrade linux-image-6.11.0-1007-realtimeUpgrade linux-image-generic-lpaeUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-generic-hwe-22.04Upgrade linux-image-lowlatency-64k-hwe-24.04Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-6.11.0-1011-lowlatencyUpgrade linux-image-6.8.0-1028-gcpUpgrade linux-image-azure-lts-24.04Upgrade linux-image-6.8.0-1024-oracle-64kUpgrade linux-image-oem-22.04aUpgrade linux-image-6.11.0-1011-gcp-64kUpgrade linux-image-6.8.0-1026-oemUpgrade linux-image-gkeop-6.8Upgrade linux-image-6.11.0-1013-oracleUpgrade linux-image-raspiUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-awsUpgrade linux-image-6.8.0-58-lowlatencyUpgrade linux-image-lowlatency-hwe-24.04Upgrade linux-image-oem-22.04bUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-6.8.0-58-generic-64kUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-6.11.0-1012-azure-fdeUpgrade linux-image-6.8.0-2023-raspi-realtimeUpgrade linux-image-kvmUpgrade linux-image-azure-nvidiaUpgrade linux-image-6.8.0-1026-nvidia-lowlatencyUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-6.11.0-1011-lowlatency-64kUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-lowlatencyUpgrade linux-image-6.8.0-1014-azure-nvidiaUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-ibm-classicUpgrade linux-image-6.11.0-1011-awsUpgrade linux-image-6.8.0-1028-raspiUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.8.0-58-genericUpgrade linux-image-6.11.0-1012-azureUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-azure-fdeUpgrade linux-image-gcp-64kUpgrade linux-image-generic-64kUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-oem-22.04dUpgrade linux-image-raspi-realtimeUpgrade linux-image-oem-24.04aUpgrade linux-image-gkeopUpgrade linux-image-6.11.0-1011-gcpUpgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-6.11.0-1013-oracle-64kUpgrade linux-image-realtimeUpgrade linux-image-6.8.0-1027-azureUpgrade linux-image-6.8.0-1027-awsUpgrade linux-image-oracleUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.8.0-1026-nvidiaUpgrade linux-image-6.8.0-1024-oracleUpgrade linux-image-nvidia-64kUpgrade linux-image-oem-24.04bUpgrade linux-image-gkeUpgrade linux-image-6.11.0-21-genericUpgrade linux-image-oracle-64kUpgrade linux-image-6.11.0-1010-raspiUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-6.8.0-58-lowlatency-64kUpgrade linux-image-gcpUpgrade linux-image-6.8.0-1026-nvidia-64kUpgrade linux-image-6.8.0-1010-gkeopUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-virtualUpgrade linux-image-6.8.0-1023-gkeUpgrade linux-image-nvidia-64k-6.8Upgrade linux-image-6.8.0-1026-nvidia-lowlatency-64kUpgrade linux-image-aws-lts-24.04Upgrade linux-image-oem-22.04Upgrade linux-image-6.11.0-21-generic-64kUpgrade linux-image-6.8.0-1028-gcp-64kUpgrade linux-image-genericUpgrade linux-image-nvidia-6.8Upgrade linux-image-6.8.0-1027-azure-fdeUpgrade linux-image-6.8.0-1024-ibmUpgrade linux-image-oem-24.04Upgrade linux-image-nvidia-hwe-22.04 | Mar 28, 2025 | Jan 11, 2025 |
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