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