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In the Linux kernel, the following vulnerability has been resolved:
drm/client: Fix memory leak in drm_client_target_cloned
dmt_mode is allocated and never freed in this function. It was found with the ast driver, but most drivers using generic fbdev setup are probably affected.
This fixes the following kmemleak report: backtrace: [<00000000b391296d>] drm_mode_duplicate+0x45/0x220 [drm] [<00000000e45bb5b3>] drm_client_target_cloned.constprop.0+0x27b/0x480 [drm] [<00000000ed2d3a37>] drm_client_modeset_probe+0x6bd/0xf50 [drm] [<0000000010e5cc9d>] __drm_fb_helper_initial_config_and_unlock+0xb4/0x2c0 [drm_kms_helper] [<00000000909f82ca>] drm_fbdev_client_hotplug+0x2bc/0x4d0 [drm_kms_helper] [<00000000063a69aa>] drm_client_register+0x169/0x240 [drm] [<00000000a8c61525>] ast_pci_probe+0x142/0x190 [ast] [<00000000987f19bb>] local_pci_probe+0xdc/0x180 [<000000004fca231b>] work_for_cpu_fn+0x4e/0xa0 [<0000000000b85301>] process_one_work+0x8b7/0x1540 [<000000003375b17c>] worker_thread+0x70a/0xed0 [<00000000b0d43cd9>] kthread+0x29f/0x340 [<000000008d770833>] ret_from_fork+0x1f/0x30 unreferenced object 0xff11000333089a00 (size 128):
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade python-perfUpgrade python-perf-debuginfoUpgrade kernel-toolsUpgrade kernel-headersUpgrade kernel-livepatch-4.14.322-244.536Upgrade perf-debuginfoUpgrade kernel-tools-develUpgrade perfUpgrade kernel-livepatch-5.15.128-80.144Upgrade kernel-tools-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-livepatch-5.10.192-182.736Upgrade kernelUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-develUpgrade kernel-debuginfo-common-x86_64Upgrade bpftoolUpgrade kernel-debuginfo | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade kernel-tools-develUpgrade perf-debuginfoUpgrade kernel-headersUpgrade kernel-debuginfoUpgrade kernel-tools-debuginfoUpgrade perfUpgrade bpftool-debuginfoUpgrade kernel-libbpfUpgrade kernel-livepatch-6.1.49-69.116Upgrade kernel-debuginfo-common-aarch64Upgrade python3-perfUpgrade kernel-libbpf-staticUpgrade python3-perf-debuginfoUpgrade kernel-toolsUpgrade kernel-develUpgrade kernel-libbpf-develUpgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade bpftool | Feb 20, 2026 | Dec 24, 2025 |
| Debian | — | Upgrade linux | Dec 29, 2025 | Dec 29, 2025 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernelUpgrade kernel-tools-libsUpgrade python3-perfUpgrade kernel-abi-stablelistsUpgrade kernel-tools | Mar 17, 2026 | Mar 16, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernelUpgrade kernel-tools-libsUpgrade bpftoolUpgrade kernel-toolsUpgrade python3-perfUpgrade kernel-abi-stablelists | Mar 10, 2026 | Mar 10, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 24, 2025 |
| Ubuntu | — | Upgrade linux-azure-5.4Upgrade linux-aws-fipsUpgrade linux-azure-fdeUpgrade linux-lowlatencyUpgrade linux-aws-5.15Upgrade linux-gkeopUpgrade linux-oracle-5.15Upgrade linux-hwe-5.15Upgrade linux-intel-iotg-5.15Upgrade linuxUpgrade linux-ibm-5.4Upgrade linux-iotUpgrade linux-awsUpgrade linux-aws-5.4Upgrade linux-raspiUpgrade linux-azureUpgrade linux-azure-fipsUpgrade linux-gcp-5.4Upgrade linux-kvmUpgrade linux-intel-iotgUpgrade linux-gkeUpgrade linux-lowlatency-hwe-5.15Upgrade linux-gcpUpgrade linux-intel-iot-realtimeUpgrade linux-realtimeUpgrade linux-oracle-5.4Upgrade linux-raspi-5.4Upgrade linux-nvidia-tegra-igxUpgrade linux-nvidiaUpgrade linux-ibmUpgrade linux-oracleUpgrade linux-nvidia-tegraUpgrade linux-gcp-5.15Upgrade linux-azure-5.15Upgrade linux-bluefieldUpgrade linux-nvidia-tegra-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-fipsUpgrade linux-gcp-fipsUpgrade linux-riscv-5.15Upgrade linux-hwe-5.4Upgrade linux-ibm-5.15 | Jan 6, 2026 | Dec 24, 2025 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | May 27, 2026 | Dec 24, 2025 |
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