CVE-2025-38424
Vulnerability Scoring
Analysis In Progress
CVE-2025-38424 Vulnerability Analysis & Exploit Details
CVE-2025-38424
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-2025-38424 Details
Status: Awaiting Analysis
Published on: 25 Jul 2025, 15:15 UTC
CVSS Release:
CVE-2025-38424 Vulnerability Summary
CVE-2025-38424: In the Linux kernel, the following vulnerability has been resolved: perf: Fix sample vs do_exit() Baisheng Gao reported an ARM64 crash, which Mark decoded as being a synchronous external abort -- most likely due to trying to access MMIO in bad ways. The crash further shows perf trying to do a user stack sample while in exit_mmap()'s tlb_finish_mmu() -- i.e. while tearing down the address space it is trying to access. It turns out that we stop perf after we tear down the userspace mm; a receipie for disaster, since perf likes to access userspace for various reasons. Flip this order by moving up where we stop perf in do_exit(). Additionally, harden PERF_SAMPLE_CALLCHAIN and PERF_SAMPLE_STACK_USER to abort when the current task does not have an mm (exit_mm() makes sure to set current->mm = NULL; before commencing with the actual teardown). Such that CPU wide events don't trip on this same problem.
Assessing the Risk of CVE-2025-38424
Access Complexity Graph
The exploitability of CVE-2025-38424 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-2025-38424
No exploitability data is available for CVE-2025-38424.
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-2025-38424, 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-2025-38424, 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-2025-38424 does not compromise confidentiality.
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Integrity:
None
CVE-2025-38424 does not impact data integrity.
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Availability:
None
CVE-2025-38424 does not affect system availability.
CVE-2025-38424 References
External References
- https://git.kernel.org/stable/c/2ee6044a693735396bb47eeaba1ac3ae26c1c99b
- https://git.kernel.org/stable/c/456019adaa2f5366b89c868dea9b483179bece54
- https://git.kernel.org/stable/c/4f6fc782128355931527cefe3eb45338abd8ab39
- https://git.kernel.org/stable/c/507c9a595bad3abd107c6a8857d7fd125d89f386
- https://git.kernel.org/stable/c/7311970d07c4606362081250da95f2c7901fc0db
- https://git.kernel.org/stable/c/7b8f3c72175c6a63a95cf2e219f8b78e2baad34e
- https://git.kernel.org/stable/c/975ffddfa2e19823c719459d2364fcaa17673964
- https://git.kernel.org/stable/c/a9f6aab7910a0ef2895797f15c947f6d1053160f
CWE Common Weakness Enumeration
Unknown
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