CVE-2025-38031 Vulnerability Analysis & Exploit Details

CVE-2025-38031
Vulnerability Scoring

5.5
/10
Significant Risk

Security assessments indicate that CVE-2025-38031 presents a notable risk, potentially requiring prompt mitigation.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Local
    Vulnerability requires local system access.
  • Privileges Required: Low
    Some privileges are necessary to exploit the vulnerability.
  • Scope: Unchanged
    Exploit remains within the originally vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2025-38031 Details

Status: Analyzed

Last updated: 🕤 18 Dec 2025, 21:36 UTC
Originally published on: 🕙 18 Jun 2025, 10:15 UTC

Time between publication and last update: 183 days

CVSS Release: version 3

CVSS3 Source

nvd@nist.gov

CVSS3 Type

Primary

CVSS3 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CVE-2025-38031 Vulnerability Summary

CVE-2025-38031: In the Linux kernel, the following vulnerability has been resolved: padata: do not leak refcount in reorder_work A recent patch that addressed a UAF introduced a reference count leak: the parallel_data refcount is incremented unconditionally, regardless of the return value of queue_work(). If the work item is already queued, the incremented refcount is never decremented. Fix this by checking the return value of queue_work() and decrementing the refcount when necessary. Resolves: Unreferenced object 0xffff9d9f421e3d80 (size 192): comm "cryptomgr_probe", pid 157, jiffies 4294694003 hex dump (first 32 bytes): 80 8b cf 41 9f 9d ff ff b8 97 e0 89 ff ff ff ff ...A............ d0 97 e0 89 ff ff ff ff 19 00 00 00 1f 88 23 00 ..............#. backtrace (crc 838fb36): __kmalloc_cache_noprof+0x284/0x320 padata_alloc_pd+0x20/0x1e0 padata_alloc_shell+0x3b/0xa0 0xffffffffc040a54d cryptomgr_probe+0x43/0xc0 kthread+0xf6/0x1f0 ret_from_fork+0x2f/0x50 ret_from_fork_asm+0x1a/0x30

Assessing the Risk of CVE-2025-38031

Access Complexity Graph

The exploitability of CVE-2025-38031 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-2025-38031

CVE-2025-38031 presents an accessible attack vector with minimal effort required. Restricting access controls and implementing security updates are critical to reducing exploitation risks.

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-2025-38031, 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-2025-38031, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: None
    CVE-2025-38031 has no significant impact on data confidentiality.
  • Integrity: None
    CVE-2025-38031 poses no threat to data integrity.
  • Availability: High
    CVE-2025-38031 can disrupt system operations, potentially causing complete denial of service (DoS).

CVE-2025-38031 References

External References

CWE Common Weakness Enumeration

NVD-CWE-Other

Vulnerable Configurations

  • cpe:2.3:o:linux:linux_kernel:5.10.235:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.235:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.236:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.236:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.10.237:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.10.237:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.179:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.179:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.180:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.180:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.181:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.181:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.182:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.182:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.183:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.183:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.15.184:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:5.15.184:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.129:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.129:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.130:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.130:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.131:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.131:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.132:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.132:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.133:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.133:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.134:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.134:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.135:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.135:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.136:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.136:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.137:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.137:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.138:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.138:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.139:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.139:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.1.140:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.1.140:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.76:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.76:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.77:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.77:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.78:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.78:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.79:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.79:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.80:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.80:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.81:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.81:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.82:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.82:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.83:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.83:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.84:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.84:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.85:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.85:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.86:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.86:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.87:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.87:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.88:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.88:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.89:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.89:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.90:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.90:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.91:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.91:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.6.92:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.6.92:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.12.13:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.12.13:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.12.14:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.12.14:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.12.15:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.12.15:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.12.16:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.12.16:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.12.17:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.12.17:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.12.18:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.12.18:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.12.19:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.12.19:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.12.20:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.12.20:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.12.21:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.12.21:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.12.22:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.12.22:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.12.23:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.12.23:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.12.24:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.12.24:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.12.25:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.12.25:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.12.26:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.12.26:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.12.27:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.12.27:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.12.28:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.12.28:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.12.29:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.12.29:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.12.30:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.12.30:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.13.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.13.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.13.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.13.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.13.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.13.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.13.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.13.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.13.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.13.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.13.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.13.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.13.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.13.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.13.9:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.13.9:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.13.10:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.13.10:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.13.11:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.13.11:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.13.12:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.13.12:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.13:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.13:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.13:rc5:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.13:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.13:rc6:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.13:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.13:rc7:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.13:rc7:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.14:-:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.14:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.14.1:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.14.1:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.14.2:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.14.2:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.14.3:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.14.3:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.14.4:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.14.4:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.14.5:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.14.5:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.14.6:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.14.6:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.14.7:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.14.7:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.14.8:*:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.14.8:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15:rc5:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15:rc6:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15:rc7:*:*:*:*:*:*
    cpe:2.3:o:linux:linux_kernel:6.15:rc7:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
    cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

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