CVE-2023-54091

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):

The following products are affected by CVE-2023-54091 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2023-54091.

URL	Resource
https://git.kernel.org/stable/c/105275879a80503686a8108af2f5c579a1c5aef4
https://git.kernel.org/stable/c/4b596a6e2d2e0f9c14e4122506dd715f43fcd727
https://git.kernel.org/stable/c/52daf6ba2e0d201640cb1ce42049c5c4426b4d6e
https://git.kernel.org/stable/c/a4b978249e8fa94956fce8b70a709f7797716f62
https://git.kernel.org/stable/c/a85e23a1ef63e45a18f0a30d7816fcb4a865ca95
https://git.kernel.org/stable/c/b5359d7a5087ac398fc429da6833133b4784c268
https://git.kernel.org/stable/c/c2a88e8bdf5f6239948d75283d0ae7e0c7945b03
https://git.kernel.org/stable/c/d3009700f48602b557eade1f22c98b6bc20247e8
https://lore.kernel.org/linux-cve-announce/2025122407-CVE-2023-54091-577a@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2023-54091
https://www.cve.org/CVERecord?id=CVE-2023-54091