CVE-2023-53288

MEDIUM

Linux Kernel < 5.4.251 - Use-After-Free in DRM Client Modeset Probe

Title source: llm
STIX 2.1

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

References (6)

Core 6

Scores

CVSS v3 5.5
EPSS 0.0014
EPSS Percentile 3.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-401
Status published
Products (18)
Linux/Linux < 4.9
Linux/Linux 0cc98b5963f8886887aab0ded61970bdccfc2350
Linux/Linux 4.8.7 - 4.9
Linux/Linux 4.9
Linux/Linux 5.10.188 - 5.10.*
Linux/Linux 5.15.123 - 5.15.*
Linux/Linux 5.4.251 - 5.4.*
Linux/Linux 6.1.42 - 6.1.*
Linux/Linux 6.4.7 - 6.4.*
Linux/Linux 6.5
... and 8 more
Published Sep 16, 2025
Tracked Since Feb 18, 2026