In the Linux kernel, the following vulnerability has been resolved:
drm/msm/a6xx: move preempt_prepare_postamble after error check
Move the call to preempt_prepare_postamble() after verifying that preempt_postamble_ptr is valid. If preempt_postamble_ptr is NULL, dereferencing it in preempt_prepare_postamble() would lead to a crash.
This change avoids calling the preparation function when the postamble allocation has failed, preventing potential NULL pointer dereference and ensuring proper error handling.
Patchwork: https://patchwork.freedesktop.org/patch/687659/
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Ubuntu | — | Upgrade linux-image-virtualUpgrade linux-image-oem-24.04Upgrade linux-image-azure-6.17Upgrade linux-image-oem-24.04aUpgrade linux-image-6.17.0-1011-oracleUpgrade linux-image-6.17.0-1012-awsUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-generic-64kUpgrade linux-image-oem-24.04dUpgrade linux-image-aws-6.17Upgrade linux-image-raspi-6.17Upgrade linux-image-virtual-6.17Upgrade linux-image-6.17.0-1010-realtimeUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-realtime-6.17Upgrade linux-image-aws-64kUpgrade linux-image-6.17.0-22-genericUpgrade linux-image-gcpUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-genericUpgrade linux-image-oracle-64kUpgrade linux-image-azureUpgrade linux-image-generic-6.17Upgrade linux-image-6.17.0-1020-oemUpgrade linux-image-generic-64k-6.17Upgrade linux-image-6.17.0-1012-gcpUpgrade linux-image-6.17.0-1013-azureUpgrade linux-image-oracleUpgrade linux-image-gcp-6.17Upgrade linux-image-aws-64k-6.17Upgrade linux-image-raspiUpgrade linux-image-realtimeUpgrade linux-image-6.17.0-1014-raspiUpgrade linux-image-gcp-64k-6.17Upgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-oracle-64k-6.17Upgrade linux-image-oracle-6.17Upgrade linux-image-oem-24.04cUpgrade linux-image-6.17.0-22-generic-64kUpgrade linux-image-6.17.0-1011-oracle-64kUpgrade linux-image-oem-6.17Upgrade linux-image-oem-24.04bUpgrade linux-image-6.17.0-1012-gcp-64kUpgrade linux-image-6.17.0-1012-aws-64kUpgrade linux-image-gcp-64kUpgrade linux-image-aws | Apr 17, 2026 | Jan 14, 2026 |
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