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In the Linux kernel, the following vulnerability has been resolved:
drm/panfrost: Fix GEM handle creation ref-counting
panfrost_gem_create_with_handle() previously returned a BO but with the only reference being from the handle, which user space could in theory guess and release, causing a use-after-free. Additionally if the call to panfrost_gem_mapping_get() in panfrost_ioctl_create_bo() failed then a(nother) reference on the BO was dropped.
The _create_with_handle() is a problematic pattern, so ditch it and instead create the handle in panfrost_ioctl_create_bo(). If the call to panfrost_gem_mapping_get() fails then this means that user space has indeed gone behind our back and freed the handle. In which case just return an error code.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Sep 22, 2025 | Sep 22, 2025 |
| Ubuntu | — | Upgrade linux-gkeUpgrade linuxUpgrade linux-gkeopUpgrade linux-oracle-5.15Upgrade linux-awsUpgrade linux-lowlatencyUpgrade linux-nvidia-tegra-5.15Upgrade linux-intel-iot-realtimeUpgrade linux-oracleUpgrade linux-kvmUpgrade linux-azure-fdeUpgrade linux-realtimeUpgrade linux-hwe-5.15Upgrade linux-intel-iotg-5.15Upgrade linux-azure-5.15Upgrade linux-lowlatency-hwe-5.15Upgrade linux-aws-5.15Upgrade linux-intel-iotgUpgrade linux-ibmUpgrade linux-nvidiaUpgrade linux-gcp-5.15Upgrade linux-riscv-5.15Upgrade linux-bluefieldUpgrade linux-gcpUpgrade linux-raspiUpgrade linux-azure | Sep 26, 2025 | Sep 18, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 15, 2025 | Sep 18, 2025 |
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