CVE-2023-53075
Vulnerability Scoring
Analysis In Progress
CVE-2023-53075 Vulnerability Analysis & Exploit Details
CVE-2023-53075
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-2023-53075 Details
Status: Awaiting Analysis
Last updated: 🕣 05 May 2025, 20:54 UTC
Originally published on: 🕓 02 May 2025, 16:15 UTC
Time between publication and last update: 3 days
CVSS Release:
CVE-2023-53075 Vulnerability Summary
CVE-2023-53075: In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix invalid address access in lookup_rec() when index is 0 KASAN reported follow problem: BUG: KASAN: use-after-free in lookup_rec Read of size 8 at addr ffff000199270ff0 by task modprobe CPU: 2 Comm: modprobe Call trace: kasan_report __asan_load8 lookup_rec ftrace_location arch_check_ftrace_location check_kprobe_address_safe register_kprobe When checking pg->records[pg->index - 1].ip in lookup_rec(), it can get a pg which is newly added to ftrace_pages_start in ftrace_process_locs(). Before the first pg->index++, index is 0 and accessing pg->records[-1].ip will cause this problem. Don't check the ip when pg->index is 0.
Assessing the Risk of CVE-2023-53075
Access Complexity Graph
The exploitability of CVE-2023-53075 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-2023-53075
No exploitability data is available for CVE-2023-53075.
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-2023-53075, 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-2023-53075, 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-2023-53075 does not compromise confidentiality.
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Integrity:
None
CVE-2023-53075 does not impact data integrity.
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Availability:
None
CVE-2023-53075 does not affect system availability.
CVE-2023-53075 References
External References
- https://git.kernel.org/stable/c/2a0d71fabfeb349216d33f001a6421b1768bd3a9
- https://git.kernel.org/stable/c/2de28e5ce34b22b73b833a21e2c45ae3aade3964
- https://git.kernel.org/stable/c/4f84f31f63416b0f02fc146ffdc4ab32723eb7e8
- https://git.kernel.org/stable/c/7569ee04b0e3b32df79f64db3a7138573edad9bc
- https://git.kernel.org/stable/c/83c3b2f4e7c61367c7b24551f4c6eb94bbdda283
- https://git.kernel.org/stable/c/ac58b88ccbbb8e9fb83e137cee04a856b1ea6635
- https://git.kernel.org/stable/c/ee92fa443358f4fc0017c1d0d325c27b37802504
- https://git.kernel.org/stable/c/f1bd8b7fd890d87d0dc4dedc6287ea34dd07c0b4
CWE Common Weakness Enumeration
Unknown
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