CVE-2025-23161
Vulnerability Scoring
Analysis In Progress
CVE-2025-23161 Vulnerability Analysis & Exploit Details
CVE-2025-23161
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-2025-23161 Details
Status: Awaiting Analysis
Last updated: 🕜 02 May 2025, 13:53 UTC
Originally published on: 🕐 01 May 2025, 13:15 UTC
Time between publication and last update: 1 days
CVSS Release:
CVE-2025-23161 Vulnerability Summary
CVE-2025-23161: In the Linux kernel, the following vulnerability has been resolved: PCI: vmd: Make vmd_dev::cfg_lock a raw_spinlock_t type The access to the PCI config space via pci_ops::read and pci_ops::write is a low-level hardware access. The functions can be accessed with disabled interrupts even on PREEMPT_RT. The pci_lock is a raw_spinlock_t for this purpose. A spinlock_t becomes a sleeping lock on PREEMPT_RT, so it cannot be acquired with disabled interrupts. The vmd_dev::cfg_lock is accessed in the same context as the pci_lock. Make vmd_dev::cfg_lock a raw_spinlock_t type so it can be used with interrupts disabled. This was reported as: BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:48 Call Trace: rt_spin_lock+0x4e/0x130 vmd_pci_read+0x8d/0x100 [vmd] pci_user_read_config_byte+0x6f/0xe0 pci_read_config+0xfe/0x290 sysfs_kf_bin_read+0x68/0x90 [bigeasy: reword commit message] Tested-off-by: Luis Claudio R. Goncalves <lgoncalv@redhat.com> [kwilczynski: commit log] [bhelgaas: add back report info from https://lore.kernel.org/lkml/20241218115951.83062-1-ryotkkr98@gmail.com/]
Assessing the Risk of CVE-2025-23161
Access Complexity Graph
The exploitability of CVE-2025-23161 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-2025-23161
No exploitability data is available for CVE-2025-23161.
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-2025-23161, 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-2025-23161, 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-2025-23161 does not compromise confidentiality.
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Integrity:
None
CVE-2025-23161 does not impact data integrity.
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Availability:
None
CVE-2025-23161 does not affect system availability.
CVE-2025-23161 References
External References
- https://git.kernel.org/stable/c/13e5148f70e81991acbe0bab5b1b50ba699116e7
- https://git.kernel.org/stable/c/18056a48669a040bef491e63b25896561ee14d90
- https://git.kernel.org/stable/c/20d0a9062c031068fa39f725a32f182b709b5525
- https://git.kernel.org/stable/c/2358046ead696ca5c7c628d6c0e2c6792619a3e5
- https://git.kernel.org/stable/c/5c3cfcf0b4bf43530788b08a8eaf7896ec567484
- https://git.kernel.org/stable/c/c250262d6485ca333e9821f85b07eb383ec546b1
- https://git.kernel.org/stable/c/c2968c812339593ac6e2bdd5cc3adabe3f05fa53
CWE Common Weakness Enumeration
Unknown
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