drm/client: Fix memory leak in drm_client_modeset_probe
Description
In the Linux kernel, the following vulnerability has been resolved:
drm/client: Fix memory leak in drm_client_modeset_probe
When a new mode is set to modeset->mode, the previous mode should be freed. This fixes the following kmemleak report:
drm_mode_duplicate+0x45/0x220 [drm] drm_client_modeset_probe+0x944/0xf50 [drm] __drm_fb_helper_initial_config_and_unlock+0xb4/0x2c0 [drm_kms_helper] drm_fbdev_client_hotplug+0x2bc/0x4d0 [drm_kms_helper] drm_client_register+0x169/0x240 [drm] ast_pci_probe+0x142/0x190 [ast] local_pci_probe+0xdc/0x180 work_for_cpu_fn+0x4e/0xa0 process_one_work+0x8b7/0x1540 worker_thread+0x70a/0xed0 kthread+0x29f/0x340 ret_from_fork+0x1f/0x30
Affected products
2- Linux/Linuxv5Range: 4.9
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
6- git.kernel.org/stable/c/1369d0c586ad44f2d18fe2f4cbc5bcb24132fa71mitre
- git.kernel.org/stable/c/2329cc7a101af1a844fbf706c0724c0baea38365mitre
- git.kernel.org/stable/c/5d580017bdb9b3e930b6009e467e5e1589f8ca8amitre
- git.kernel.org/stable/c/5f2a12f64347f535c6ef55fa7eb36a2874d69b59mitre
- git.kernel.org/stable/c/8108a494639e56aea77e7196a1d6ea89792b9d4amitre
- git.kernel.org/stable/c/917bef37cfaca07781c6fbaf6cd9404d27e64e6fmitre
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