CVE-2026-53339
Vulnerability Scoring
Analysis In Progress
CVE-2026-53339 Vulnerability Analysis & Exploit Details
CVE-2026-53339
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-2026-53339 Details
Status: Received on 01 Jul 2026, 14:16 UTC
Published on: 01 Jul 2026, 14:16 UTC
CVSS Release:
CVE-2026-53339 Vulnerability Summary
CVE-2026-53339: In the Linux kernel, the following vulnerability has been resolved: i2c: qcom-cci: Fix NULL pointer dereference in cci_remove() On all modern platforms Qualcomm CCI controller provides two I2C masters, and on particular boards only one I2C master may be initialized, and in such cases the device unbinding or driver removal causes a NULL pointer dereference, because cci_halt() is called for all two I2C masters, but a completion is initialized only for the single enabled master: % rmmod i2c-qcom-cci Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 <snip> Call trace: __wait_for_common+0x194/0x1a8 (P) wait_for_completion_timeout+0x20/0x2c cci_remove+0xc4/0x138 [i2c_qcom_cci] platform_remove+0x20/0x30 device_remove+0x4c/0x80 device_release_driver_internal+0x1c8/0x224 driver_detach+0x50/0x98 bus_remove_driver+0x6c/0xbc driver_unregister+0x30/0x60 platform_driver_unregister+0x14/0x20 qcom_cci_driver_exit+0x18/0x1008 [i2c_qcom_cci] ....
Assessing the Risk of CVE-2026-53339
Access Complexity Graph
The exploitability of CVE-2026-53339 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-2026-53339
No exploitability data is available for CVE-2026-53339.
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-2026-53339, 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-2026-53339, 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-2026-53339 does not compromise confidentiality.
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Integrity:
None
CVE-2026-53339 does not impact data integrity.
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Availability:
None
CVE-2026-53339 does not affect system availability.
CVE-2026-53339 References
External References
- https://git.kernel.org/stable/c/4cd206c1d57a9370d5219f7b1fc45169d7bdf951
- https://git.kernel.org/stable/c/4d2b4a9cda6837e5ee1de1290f2e773a713b71e9
- https://git.kernel.org/stable/c/7107627b8b35015027201e7a095a3f6e30b4a46f
- https://git.kernel.org/stable/c/729ac5a4b966aac42e08a94dea966f4429008548
- https://git.kernel.org/stable/c/8ce7ff721a5e9d06d53ef65d01c89fce6d26d6ff
- https://git.kernel.org/stable/c/a162a260c8c4db7501c65220e76913e8e351f823
- https://git.kernel.org/stable/c/a50b8adb9cdb9a495b0b45583956897b7411ed7a
- https://git.kernel.org/stable/c/e8669d12da0ade52adfe0abe96cd99e708abc9bd
CWE Common Weakness Enumeration
Unknown
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