CVE-2023-53199
Vulnerability Scoring
Analysis In Progress
CVE-2023-53199 Vulnerability Analysis & Exploit Details
CVE-2023-53199
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-2023-53199 Details
Status: Awaiting Analysis
Published on: 15 Sep 2025, 15:15 UTC
CVSS Release:
CVE-2023-53199 Vulnerability Summary
CVE-2023-53199: In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: hif_usb: clean up skbs if ath9k_hif_usb_rx_stream() fails Syzkaller detected a memory leak of skbs in ath9k_hif_usb_rx_stream(). While processing skbs in ath9k_hif_usb_rx_stream(), the already allocated skbs in skb_pool are not freed if ath9k_hif_usb_rx_stream() fails. If we have an incorrect pkt_len or pkt_tag, the input skb is considered invalid and dropped. All the associated packets already in skb_pool should be dropped and freed. Added a comment describing this issue. The patch also makes remain_skb NULL after being processed so that it cannot be referenced after potential free. The initialization of hif_dev fields which are associated with remain_skb (rx_remain_len, rx_transfer_len and rx_pad_len) is moved after a new remain_skb is allocated. Found by Linux Verification Center (linuxtesting.org) with Syzkaller.
Assessing the Risk of CVE-2023-53199
Access Complexity Graph
The exploitability of CVE-2023-53199 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-2023-53199
No exploitability data is available for CVE-2023-53199.
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-2023-53199, 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-2023-53199, 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-2023-53199 does not compromise confidentiality.
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Integrity:
None
CVE-2023-53199 does not impact data integrity.
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Availability:
None
CVE-2023-53199 does not affect system availability.
CVE-2023-53199 References
External References
- https://git.kernel.org/stable/c/0af54343a76263a12dbae7fafb64eb47c4a6ad38
- https://git.kernel.org/stable/c/3fc6401fafde11712a83089fa2cc874cfd10e2cd
- https://git.kernel.org/stable/c/61490d2710277e8a55009b7682456ae22f8087cf
- https://git.kernel.org/stable/c/9acdec72787af1bc8ed92711b52118c8e3e638a2
- https://git.kernel.org/stable/c/c766e37fccd5a5c5059be7efcd9618bf8a2c17c3
- https://git.kernel.org/stable/c/cd8316767099920a5d41feed1afab0c482a43e9f
- https://git.kernel.org/stable/c/f26dd69f61eff2eedf5df2d199bdd23108309947
CWE Common Weakness Enumeration
Unknown
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