CVE-2025-21914
Vulnerability Scoring
Analysis In Progress
CVE-2025-21914 Vulnerability Analysis & Exploit Details
CVE-2025-21914
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-2025-21914 Details
Status: Awaiting Analysis
Published on: 01 Apr 2025, 16:15 UTC
CVSS Release:
CVE-2025-21914 Vulnerability Summary
CVE-2025-21914: In the Linux kernel, the following vulnerability has been resolved: slimbus: messaging: Free transaction ID in delayed interrupt scenario In case of interrupt delay for any reason, slim_do_transfer() returns timeout error but the transaction ID (TID) is not freed. This results into invalid memory access inside qcom_slim_ngd_rx_msgq_cb() due to invalid TID. Fix the issue by freeing the TID in slim_do_transfer() before returning timeout error to avoid invalid memory access. Call trace: __memcpy_fromio+0x20/0x190 qcom_slim_ngd_rx_msgq_cb+0x130/0x290 [slim_qcom_ngd_ctrl] vchan_complete+0x2a0/0x4a0 tasklet_action_common+0x274/0x700 tasklet_action+0x28/0x3c _stext+0x188/0x620 run_ksoftirqd+0x34/0x74 smpboot_thread_fn+0x1d8/0x464 kthread+0x178/0x238 ret_from_fork+0x10/0x20 Code: aa0003e8 91000429 f100044a 3940002b (3800150b) ---[ end trace 0fe00bec2b975c99 ]--- Kernel panic - not syncing: Oops: Fatal exception in interrupt.
Assessing the Risk of CVE-2025-21914
Access Complexity Graph
The exploitability of CVE-2025-21914 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-2025-21914
No exploitability data is available for CVE-2025-21914.
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-2025-21914, 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-2025-21914, 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-2025-21914 does not compromise confidentiality.
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Integrity:
None
CVE-2025-21914 does not impact data integrity.
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Availability:
None
CVE-2025-21914 does not affect system availability.
CVE-2025-21914 References
External References
- https://git.kernel.org/stable/c/09d34c4cbc38485c7514069f25348e439555b282
- https://git.kernel.org/stable/c/0c541c8f6da23e0b92f0a6216d899659a7572074
- https://git.kernel.org/stable/c/18ae4cee05c310c299ba75d7477dcf34be67aa16
- https://git.kernel.org/stable/c/6abf3d8bb51cbaf886c3f08109a0462890b10db6
- https://git.kernel.org/stable/c/a32e5198a9134772eb03f7b72a7849094c55bda9
- https://git.kernel.org/stable/c/cec8c0ac173fe5321f03fdb1a09a9cb69bc9a9fe
- https://git.kernel.org/stable/c/dcb0d43ba8eb9517e70b1a0e4b0ae0ab657a0e5a
- https://git.kernel.org/stable/c/faac8e894014e8167471a8e4a5eb35a8fefbb82a
CWE Common Weakness Enumeration
Unknown
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