CVE-2025-38700
Vulnerability Scoring
Analysis In Progress
CVE-2025-38700 Vulnerability Analysis & Exploit Details
CVE-2025-38700
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-2025-38700 Details
Status: Awaiting Analysis
Last updated: 🕠 05 Sep 2025, 17:47 UTC
Originally published on: 🕓 04 Sep 2025, 16:15 UTC
Time between publication and last update: 1 days
CVSS Release:
CVE-2025-38700 Vulnerability Summary
CVE-2025-38700: In the Linux kernel, the following vulnerability has been resolved: scsi: libiscsi: Initialize iscsi_conn->dd_data only if memory is allocated In case of an ib_fast_reg_mr allocation failure during iSER setup, the machine hits a panic because iscsi_conn->dd_data is initialized unconditionally, even when no memory is allocated (dd_size == 0). This leads invalid pointer dereference during connection teardown. Fix by setting iscsi_conn->dd_data only if memory is actually allocated. Panic trace: ------------ iser: iser_create_fastreg_desc: Failed to allocate ib_fast_reg_mr err=-12 iser: iser_alloc_rx_descriptors: failed allocating rx descriptors / data buffers BUG: unable to handle page fault for address: fffffffffffffff8 RIP: 0010:swake_up_locked.part.5+0xa/0x40 Call Trace: complete+0x31/0x40 iscsi_iser_conn_stop+0x88/0xb0 [ib_iser] iscsi_stop_conn+0x66/0xc0 [scsi_transport_iscsi] iscsi_if_stop_conn+0x14a/0x150 [scsi_transport_iscsi] iscsi_if_rx+0x1135/0x1834 [scsi_transport_iscsi] ? netlink_lookup+0x12f/0x1b0 ? netlink_deliver_tap+0x2c/0x200 netlink_unicast+0x1ab/0x280 netlink_sendmsg+0x257/0x4f0 ? _copy_from_user+0x29/0x60 sock_sendmsg+0x5f/0x70
Assessing the Risk of CVE-2025-38700
Access Complexity Graph
The exploitability of CVE-2025-38700 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-2025-38700
No exploitability data is available for CVE-2025-38700.
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-2025-38700, 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-2025-38700, 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-2025-38700 does not compromise confidentiality.
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Integrity:
None
CVE-2025-38700 does not impact data integrity.
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Availability:
None
CVE-2025-38700 does not affect system availability.
CVE-2025-38700 References
External References
- https://git.kernel.org/stable/c/2b242ea14386a510010eabfbfc3ce81a101f3802
- https://git.kernel.org/stable/c/35782c32528d82aa21f84cb5ceb2abd3526a8159
- https://git.kernel.org/stable/c/3ea3a256ed81f95ab0f3281a0e234b01a9cae605
- https://git.kernel.org/stable/c/66a373f50b4249d57f5a88c7be9676f9d5884865
- https://git.kernel.org/stable/c/9ea6d961566c7d762ed0204b06db05756fdda3b6
- https://git.kernel.org/stable/c/a145c269dc5380c063a20a0db7e6df2995962e9d
- https://git.kernel.org/stable/c/a33d42b7fc24fe03f239fbb0880dd5b4b4b97c19
- https://git.kernel.org/stable/c/f53af99f441ee79599d8df6113a7144d74cf9153
- https://git.kernel.org/stable/c/fd5aad080edb501ab5c84b7623d612d0e3033403
CWE Common Weakness Enumeration
Unknown
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