CVE-2023-53288
drm/client: Fix memory leak in drm_client_modeset_probe
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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
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
Patch and advisory references
- https://git.kernel.org/stable/c/1369d0c586ad44f2d18fe2f4cbc5bcb24132fa71
- https://git.kernel.org/stable/c/2329cc7a101af1a844fbf706c0724c0baea38365
- https://git.kernel.org/stable/c/5d580017bdb9b3e930b6009e467e5e1589f8ca8a
- https://git.kernel.org/stable/c/5f2a12f64347f535c6ef55fa7eb36a2874d69b59
- https://git.kernel.org/stable/c/8108a494639e56aea77e7196a1d6ea89792b9d4a
References (6)
SSVC — Action Prioritization
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- LOCAL
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Quick Info
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