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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 perfUpgrade kernel-toolsUpgrade python-perfUpgrade perf-debuginfoUpgrade kernel-tools-develUpgrade kernel-livepatch-4.14.322-244.536Upgrade python-perf-debuginfoUpgrade kernel-livepatch-5.15.128-80.144Upgrade kernel-headersUpgrade kernel-debuginfo-common-aarch64Upgrade kernelUpgrade bpftool-debuginfoUpgrade bpftoolUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-tools-debuginfoUpgrade kernel-debuginfoUpgrade kernel-livepatch-5.10.192-182.736Upgrade kernel-devel | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade kernel-tools-debuginfoUpgrade perfUpgrade perf-debuginfoUpgrade kernel-tools-develUpgrade kernel-headersUpgrade bpftool-debuginfoUpgrade kernel-libbpfUpgrade kernel-debuginfoUpgrade kernel-livepatch-6.1.49-69.116Upgrade bpftoolUpgrade python3-perfUpgrade kernel-libbpf-staticUpgrade python3-perf-debuginfoUpgrade kernel-debuginfo-common-aarch64Upgrade kernel-debuginfo-common-x86_64Upgrade kernelUpgrade kernel-develUpgrade kernel-libbpf-develUpgrade kernel-tools | Feb 20, 2026 | Dec 24, 2025 |
| Debian | — | Upgrade linux | Dec 29, 2025 | Dec 29, 2025 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernel-toolsUpgrade kernel-abi-stablelistsUpgrade python3-perfUpgrade kernelUpgrade kernel-tools-libs | Mar 17, 2026 | Mar 16, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-abi-stablelistsUpgrade bpftoolUpgrade python3-perfUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade kernel | Mar 10, 2026 | Mar 10, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 24, 2025 |
| Ubuntu | — | Upgrade linux-ibm-5.4Upgrade linux-lowlatencyUpgrade linux-azure-5.4Upgrade linux-azure-fipsUpgrade linux-aws-fipsUpgrade linux-gkeopUpgrade linux-azure-fdeUpgrade linux-intel-iotg-5.15Upgrade linux-awsUpgrade linuxUpgrade linux-azureUpgrade linux-hwe-5.15Upgrade linux-raspiUpgrade linux-aws-5.15Upgrade linux-iotUpgrade linux-aws-5.4Upgrade linux-oracle-5.15Upgrade linux-riscv-5.15Upgrade linux-gcp-fipsUpgrade linux-hwe-5.4Upgrade linux-intel-iotgUpgrade linux-nvidia-tegraUpgrade linux-ibmUpgrade linux-gcp-5.4Upgrade linux-bluefieldUpgrade linux-lowlatency-hwe-5.15Upgrade linux-realtimeUpgrade linux-oracle-5.4Upgrade linux-fipsUpgrade linux-nvidia-tegra-5.15Upgrade linux-raspi-5.4Upgrade linux-nvidia-tegra-igxUpgrade linux-intel-iot-realtimeUpgrade linux-gcp-5.15Upgrade linux-oracleUpgrade linux-kvmUpgrade linux-gkeUpgrade linux-gcpUpgrade linux-ibm-5.15Upgrade linux-xilinx-zynqmpUpgrade linux-nvidiaUpgrade linux-azure-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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