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