CVE-2022-50317
Vulnerability Scoring
Analysis In Progress
CVE-2022-50317 Vulnerability Analysis & Exploit Details
CVE-2022-50317
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-2022-50317 Details
Status: Awaiting Analysis
Published on: 15 Sep 2025, 15:15 UTC
CVSS Release:
CVE-2022-50317 Vulnerability Summary
CVE-2022-50317: In the Linux kernel, the following vulnerability has been resolved: drm/bridge: megachips: Fix a null pointer dereference bug When removing the module we will get the following warning: [ 31.911505] i2c-core: driver [stdp2690-ge-b850v3-fw] unregistered [ 31.912484] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN PTI [ 31.913338] KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] [ 31.915280] RIP: 0010:drm_bridge_remove+0x97/0x130 [ 31.921825] Call Trace: [ 31.922533] stdp4028_ge_b850v3_fw_remove+0x34/0x60 [megachips_stdpxxxx_ge_b850v3_fw] [ 31.923139] i2c_device_remove+0x181/0x1f0 The two bridges (stdp2690, stdp4028) do not probe at the same time, so the driver does not call ge_b850v3_resgiter() when probing, causing the driver to try to remove the object that has not been initialized. Fix this by checking whether both the bridges are probed.
Assessing the Risk of CVE-2022-50317
Access Complexity Graph
The exploitability of CVE-2022-50317 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-2022-50317
No exploitability data is available for CVE-2022-50317.
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-2022-50317, 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-2022-50317, 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-2022-50317 does not compromise confidentiality.
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Integrity:
None
CVE-2022-50317 does not impact data integrity.
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Availability:
None
CVE-2022-50317 does not affect system availability.
CVE-2022-50317 References
External References
- https://git.kernel.org/stable/c/1daf69228e310938177119c4eadcd30fc75c81e0
- https://git.kernel.org/stable/c/1ff673333d46d2c1b053ebd0c1c7c7c79e36943e
- https://git.kernel.org/stable/c/21764467ab396d9f08921e0a5ffa1214244e1ad9
- https://git.kernel.org/stable/c/4610e7a4111fa3f3ce27c09d6d94008c55f1cd31
- https://git.kernel.org/stable/c/5bc20bafcd87ba0858ab772cefc7047cb51bc249
- https://git.kernel.org/stable/c/7371fad5cfe6eada6bb5523c895fd6074b15c2b9
- https://git.kernel.org/stable/c/877e92e9b1bdeb580b31a46061005936be902cd4
- https://git.kernel.org/stable/c/aaa512ad1e59f2edf8a9e4f2b167a44b24670679
CWE Common Weakness Enumeration
Unknown
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