In the Linux kernel, the following vulnerability has been resolved:
KEYS: trusted: dcp: fix NULL dereference in AEAD crypto operation
When sealing or unsealing a key blob we currently do not wait for the AEAD cipher operation to finish and simply return after submitting the request. If there is some load on the system we can exit before the cipher operation is done and the buffer we read from/write to is already removed from the stack. This will e.g. result in NULL pointer dereference errors in the DCP driver during blob creation.
Fix this by waiting for the AEAD cipher operation to finish before resuming the seal and unseal calls.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 27, 2026 | Jul 27, 2026 |
| Ubuntu | — | Upgrade linux-image-6.11.0-18-genericUpgrade linux-image-raspiUpgrade linux-image-azureUpgrade linux-image-gcpUpgrade linux-image-6.11.0-1011-oracle-64kUpgrade linux-image-oracle-64kUpgrade linux-image-genericUpgrade linux-image-6.11.0-1015-oemUpgrade linux-image-6.11.0-1009-azureUpgrade linux-image-6.11.0-1010-lowlatencyUpgrade linux-image-oem-24.04Upgrade linux-image-6.11.0-1009-azure-fdeUpgrade linux-image-6.11.0-18-generic-64kUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.11.0-1009-awsUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-realtime-hwe-24.04Upgrade linux-image-lowlatencyUpgrade linux-image-generic-64kUpgrade linux-image-oem-24.04aUpgrade linux-image-awsUpgrade linux-image-6.11.0-1010-lowlatency-64kUpgrade linux-image-oracleUpgrade linux-image-6.11.0-1011-oracleUpgrade linux-image-azure-fdeUpgrade linux-image-6.11.0-1008-raspiUpgrade linux-image-virtualUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-6.11.0-1005-realtimeUpgrade linux-image-realtimeUpgrade linux-image-6.11.0-1009-gcpUpgrade linux-image-oem-24.04bUpgrade linux-image-generic-hwe-24.04 | Feb 20, 2025 | Nov 19, 2024 |
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