CVE-2023-54091
Vulnerability Scoring
Analysis In Progress
CVE-2023-54091 Vulnerability Analysis & Exploit Details
CVE-2023-54091
Attack Complexity Details
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Attack Complexity:
Attack Complexity Analysis In Progress
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Attack Vector:
Attack Vector Under Analysis
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Privileges Required:
None
No authentication is required for exploitation.
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Scope:
Impact is confined to the initially vulnerable component.
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User Interaction:
None
No user interaction is necessary for exploitation.
CVE-2023-54091 Details
Status: Awaiting Analysis
Last updated: 🕞 29 Dec 2025, 15:58 UTC
Originally published on: 🕐 24 Dec 2025, 13:16 UTC
Time between publication and last update: 5 days
CVSS Release:
CVE-2023-54091 Vulnerability Summary
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):
Assessing the Risk of CVE-2023-54091
Access Complexity Graph
The exploitability of CVE-2023-54091 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).
Exploitability Analysis for CVE-2023-54091
No exploitability data is available for CVE-2023-54091.
Understanding AC and PR
A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.
Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.
Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.
CVSS Score Breakdown Chart
Above is the CVSS Sub-score Breakdown for CVE-2023-54091, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.
CIA Impact Analysis
Below is the Impact Analysis for CVE-2023-54091, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.
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Confidentiality:
None
CVE-2023-54091 does not compromise confidentiality.
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Integrity:
None
CVE-2023-54091 does not impact data integrity.
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Availability:
None
CVE-2023-54091 does not affect system availability.
CVE-2023-54091 References
External References
- 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
CWE Common Weakness Enumeration
Unknown
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