CVE-2026-80594
N/A
N/A
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 628329d52474323938a03826941e166bc7c8eff4 < 67a038c5a7c9bd8aabe6fba8ac9d2e31c0bd5a28 | affected |
| Linux | Linux | 628329d52474323938a03826941e166bc7c8eff4 < 6314bd9e2a6b3362998dc85485dd4b0f133a3532 | affected |
| Linux | Linux | 628329d52474323938a03826941e166bc7c8eff4 < 76eeeb3a8e3c13d5c0ef28666b57dcb5cc101a32 | affected |
| Linux | Linux | 628329d52474323938a03826941e166bc7c8eff4 < e3f93d63dcd48c1f0ba9041f2ffa8aea7170e295 | affected |
| Linux | Linux | 628329d52474323938a03826941e166bc7c8eff4 < b847f2725ef47a26b3d01eca3d54fd811e5a544d | affected |
| Linux | Linux | 628329d52474323938a03826941e166bc7c8eff4 < 383934c249a9817d242d02d30bfbc8defbf0d533 | affected |
| Linux | Linux | 628329d52474323938a03826941e166bc7c8eff4 < bbbe31486cf2d12177462e4a814244c2597c9849 | affected |
| Linux | Linux | 628329d52474323938a03826941e166bc7c8eff4 < d4579af29e67ca8722db0a1194227f8015c8981d | affected |
| Linux | Linux | 3.10 | affected |
| Linux | Linux | 0 < 3.10 | unaffected |
| Linux | Linux | 5.10.261 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.212 <= 5.15.* | unaffected |
| Linux | Linux | 6.1.178 <= 6.1.* | unaffected |
| Linux | Linux | 6.6.145 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.97 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.40 <= 6.18.* | unaffected |
| Linux | Linux | 7.1.5 <= 7.1.* | unaffected |
| Linux | Linux | 7.2 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/67a038c5a7c9bd8aabe6fba8ac9d2e31c0bd5a28
- https://git.kernel.org/stable/c/6314bd9e2a6b3362998dc85485dd4b0f133a3532
- https://git.kernel.org/stable/c/76eeeb3a8e3c13d5c0ef28666b57dcb5cc101a32
- https://git.kernel.org/stable/c/e3f93d63dcd48c1f0ba9041f2ffa8aea7170e295
- https://git.kernel.org/stable/c/b847f2725ef47a26b3d01eca3d54fd811e5a544d
- https://git.kernel.org/stable/c/383934c249a9817d242d02d30bfbc8defbf0d533
- https://git.kernel.org/stable/c/bbbe31486cf2d12177462e4a814244c2597c9849
- https://git.kernel.org/stable/c/d4579af29e67ca8722db0a1194227f8015c8981d
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