Executive Summary

Informations
Name CVE-2024-41035 First vendor Publication 2024-07-29
Vendor Cve Last vendor Modification 2024-11-21

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
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Security-Database Scoring CVSS v2

Cvss vector :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

In the Linux kernel, the following vulnerability has been resolved:

USB: core: Fix duplicate endpoint bug by clearing reserved bits in the descriptor

Syzbot has identified a bug in usbcore (see the Closes: tag below) caused by our assumption that the reserved bits in an endpoint descriptor's bEndpointAddress field will always be 0. As a result of the bug, the endpoint_is_duplicate() routine in config.c (and possibly other routines as well) may believe that two descriptors are for distinct endpoints, even though they have the same direction and endpoint number. This can lead to confusion, including the bug identified by syzbot (two descriptors with matching endpoint numbers and directions, where one was interrupt and the other was bulk).

To fix the bug, we will clear the reserved bits in bEndpointAddress when we parse the descriptor. (Note that both the USB-2.0 and USB-3.1 specs say these bits are "Reserved, reset to zero".) This requires us to make a copy of the descriptor earlier in usb_parse_endpoint() and use the copy instead of the original when checking for duplicates.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-41035

Sources (Detail)

https://git.kernel.org/stable/c/2bd8534a1b83c65702aec3cab164170f8e584188
https://git.kernel.org/stable/c/37514a5c1251a8c5c95c323f55050736e7069ac7
https://git.kernel.org/stable/c/60abea505b726b38232a0ef410d2bd1994a77f78
https://git.kernel.org/stable/c/647d61aef106dbed9c70447bcddbd4968e67ca64
https://git.kernel.org/stable/c/9edcf317620d7c6a8354911b69b874cf89716646
https://git.kernel.org/stable/c/a368ecde8a5055b627749b09c6218ef793043e47
https://git.kernel.org/stable/c/d09dd21bb5215d583ca9a1cb1464dbc77a7e88cf
https://git.kernel.org/stable/c/d8418fd083d1b90a6c007cf8dcf81aeae274727b

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