CVE-2026-68182
Vulnerability Scoring
Analysis In Progress
CVE-2026-68182 Vulnerability Analysis & Exploit Details
CVE-2026-68182
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-2026-68182 Details
Status: Received on 10 Aug 2026, 13:20 UTC
Last updated: 🕔 19 Aug 2026, 17:20 UTC
Originally published on: 🕐 10 Aug 2026, 13:20 UTC
Time between publication and last update: 9 days
CVSS Release:
CVE-2026-68182 Vulnerability Summary
CVE-2026-68182: In the Linux kernel, the following vulnerability has been resolved: comedi: comedi_parport: deal with premature interrupt Syzbot reported a general protection fault in `comedi_get_is_subdevice_running()`, which was called from the interrupt handler `parport_interrupt()` in the "comedi_parport" driver, but it does not currently have a C reproducer for the problem. It's probably due to a premature interrupt for one of two reasons: 1. The driver sets up the interrupt handler before the comedi subdevices used by the interrupt handler have been allocated, but does not disable the interrupt in the parallel port's CTRL register first. 2. The driver uses a user-supplied I/O port base address which Syzbot would have supplied, but it might not be backed by real parallel port hardware. Change the initialization order in the driver's comedi "attach" handler (`parport_attach()`) so that the hardware registers are initialized before the interrupt handler is requested. This should prevent premature interrupts occurring for real hardware. Also add a test to the interrupt handler to ensure the comedi device is fully attached and return early if it isn't.
Assessing the Risk of CVE-2026-68182
Access Complexity Graph
The exploitability of CVE-2026-68182 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-2026-68182
No exploitability data is available for CVE-2026-68182.
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-2026-68182, 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-2026-68182, 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-2026-68182 does not compromise confidentiality.
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Integrity:
None
CVE-2026-68182 does not impact data integrity.
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Availability:
None
CVE-2026-68182 does not affect system availability.
CVE-2026-68182 References
External References
- https://git.kernel.org/stable/c/086a9ae3c5df63ec11033a8c0b3f6a1fd295ddd1
- https://git.kernel.org/stable/c/17221216ae8ce6a24e8a4e787382e3ebc81b88a8
- https://git.kernel.org/stable/c/48ef18e5eb6b8a9c546038b2ab89a841fcd97fe7
- https://git.kernel.org/stable/c/5d059ce0e6a2f6f8b97273499d47b8f917097b48
- https://git.kernel.org/stable/c/6ed34611e569fc1a1169905c5228fd0eb2806c1b
- https://git.kernel.org/stable/c/a88b25db815ff6edace81b0bb0f4a201133bd215
- https://git.kernel.org/stable/c/b061bb4dca49fd93063359d3805387235818778c
- https://git.kernel.org/stable/c/cf26dd2d841583c54a87005c4934b92fddb930c3
CWE Common Weakness Enumeration
Unknown
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