CVE-2022-49832
Vulnerability Scoring
Analysis In Progress
CVE-2022-49832 Vulnerability Analysis & Exploit Details
CVE-2022-49832
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-2022-49832 Details
Status: Awaiting Analysis
Last updated: 🕜 02 May 2025, 13:53 UTC
Originally published on: 🕒 01 May 2025, 15:16 UTC
CVSS Release:
CVE-2022-49832 Vulnerability Summary
CVE-2022-49832: In the Linux kernel, the following vulnerability has been resolved: pinctrl: devicetree: fix null pointer dereferencing in pinctrl_dt_to_map Here is the BUG report by KASAN about null pointer dereference: BUG: KASAN: null-ptr-deref in strcmp+0x2e/0x50 Read of size 1 at addr 0000000000000000 by task python3/2640 Call Trace: strcmp __of_find_property of_find_property pinctrl_dt_to_map kasprintf() would return NULL pointer when kmalloc() fail to allocate. So directly return ENOMEM, if kasprintf() return NULL pointer.
Assessing the Risk of CVE-2022-49832
Access Complexity Graph
The exploitability of CVE-2022-49832 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-2022-49832
No exploitability data is available for CVE-2022-49832.
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-2022-49832, 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-2022-49832, 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-2022-49832 does not compromise confidentiality.
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Integrity:
None
CVE-2022-49832 does not impact data integrity.
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Availability:
None
CVE-2022-49832 does not affect system availability.
CVE-2022-49832 References
External References
- https://git.kernel.org/stable/c/040f726fecd88121f3b95e70369785ad452dddf9
- https://git.kernel.org/stable/c/5834a3a98cd266ad35a229923c0adbd0addc8d68
- https://git.kernel.org/stable/c/777430aa4ddccaa5accec6db90ffc1d47f00d471
- https://git.kernel.org/stable/c/91d5c5060ee24fe8da88cd585bb43b843d2f0dce
- https://git.kernel.org/stable/c/97e5b508e96176f1a73888ed89df396d7041bfcb
- https://git.kernel.org/stable/c/a988dcd3dd9e691c5ccc3324b209688f3b5453e9
- https://git.kernel.org/stable/c/aaf552c5d53abe4659176e099575fe870d2e4768
- https://git.kernel.org/stable/c/b4d9f55cd38435358bc16d580612bc0d798d7b4c
CWE Common Weakness Enumeration
Unknown
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