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):
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade python-perfUpgrade perf-debuginfoUpgrade kernel-headersUpgrade perfUpgrade kernel-livepatch-5.15.128-80.144Upgrade kernel-toolsUpgrade python-perf-debuginfoUpgrade kernel-livepatch-4.14.322-244.536Upgrade kernel-tools-develUpgrade kernel-debuginfoUpgrade bpftool-debuginfoUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debuginfo-common-aarch64Upgrade kernel-livepatch-5.10.192-182.736Upgrade kernelUpgrade kernel-develUpgrade kernel-tools-debuginfoUpgrade bpftool | May 20, 2026 | May 20, 2026 |
| Amazon_linux_2023 | — | Upgrade kernelUpgrade kernel-libbpf-develUpgrade python3-perfUpgrade bpftoolUpgrade python3-perf-debuginfoUpgrade kernel-toolsUpgrade kernel-debuginfo-common-x86_64Upgrade kernel-debuginfo-common-aarch64Upgrade kernel-develUpgrade kernel-libbpf-staticUpgrade bpftool-debuginfoUpgrade kernel-headersUpgrade kernel-tools-debuginfoUpgrade kernel-livepatch-6.1.49-69.116Upgrade perfUpgrade kernel-tools-develUpgrade kernel-libbpfUpgrade perf-debuginfoUpgrade kernel-debuginfo | Feb 20, 2026 | Dec 24, 2025 |
| Debian | — | Upgrade linux | Dec 29, 2025 | Dec 29, 2025 |
| Huawei Euleros 2_0_sp10 | — | Upgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade python3-perfUpgrade kernel-tools-libsUpgrade kernel | Mar 17, 2026 | Mar 16, 2026 |
| Huawei Euleros 2_0_sp13 | — | Upgrade kernel-abi-stablelistsUpgrade kernel-toolsUpgrade kernel-tools-libsUpgrade bpftoolUpgrade python3-perfUpgrade kernel | Mar 10, 2026 | Mar 10, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 24, 2025 |
| Ubuntu | — | Upgrade linux-oracle-5.15Upgrade linux-azure-fipsUpgrade linux-aws-5.4Upgrade linux-azureUpgrade linuxUpgrade linux-hwe-5.15Upgrade linux-intel-iotg-5.15Upgrade linux-awsUpgrade linux-aws-fipsUpgrade linux-lowlatencyUpgrade linux-gkeopUpgrade linux-iotUpgrade linux-aws-5.15Upgrade linux-azure-5.4Upgrade linux-ibm-5.4Upgrade linux-raspiUpgrade linux-gcp-5.15Upgrade linux-nvidia-tegraUpgrade linux-gkeUpgrade linux-ibmUpgrade linux-kvmUpgrade linux-oracle-5.4Upgrade linux-nvidiaUpgrade linux-oracleUpgrade linux-azure-5.15Upgrade linux-gcp-5.4Upgrade linux-gcpUpgrade linux-intel-iotgUpgrade linux-bluefieldUpgrade linux-gcp-fipsUpgrade linux-fipsUpgrade linux-xilinx-zynqmpUpgrade linux-hwe-5.4Upgrade linux-nvidia-tegra-igxUpgrade linux-raspi-5.4Upgrade linux-nvidia-tegra-5.15Upgrade linux-riscv-5.15Upgrade linux-ibm-5.15Upgrade linux-realtimeUpgrade linux-lowlatency-hwe-5.15Upgrade linux-intel-iot-realtime | 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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