EUVD-2026-67470
GHSA-3j49-838f-hr4g
Lifecycle Timeline
2DescriptionCVE.org
In the Linux kernel, the following vulnerability has been resolved:
Input: ims-pcu - fix potential infinite loop in CDC union descriptor parsing
The driver parses CDC union descriptors in ims_pcu_get_cdc_union_desc() by iterating through the extra descriptor data. However, it does not verify that the bLength of each descriptor is at least 2. A malicious device could provide a descriptor with bLength = 0, leading to an infinite loop in the driver.
Add a check to ensure bLength is at least 2 before proceeding with parsing.
Analysis
In the Linux kernel, the following vulnerability has been resolved: Input: ims-pcu - fix potential infinite loop in CDC union descriptor parsing The driver parses CDC union descriptors in ims_pcu_get_cdc_union_desc() by iterating through the extra descriptor data. However, it does not verify that the bLength of each descriptor is at least 2. …
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Same technique Denial Of Service
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External POC / Exploit Code
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