PT-2022-7485 · Linux+3 · Linux Kernel+3
Daehwan Jung
·
Published
2022-02-24
·
Updated
2024-09-27
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CVE-2022-48926
CVSS v3.1
7.8
High
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel (affected versions not specified)
Description
The vulnerability is related to a lack of locking in the rndis response list, which could cause list corruption if two different list add operations occur at the same time. This issue can be prevented by adding a spinlock in the rndis add response, rndis free response, and rndis get next response functions. The vulnerability affects the confidentiality, integrity, and availability of data.
Technical details about exploitation include:
- The
rndis msg parserfunction is involved in the vulnerability. - The
rndis command completefunction is also affected. - The
usb gadget giveback requestfunction is part of the call trace. - The
dwc3 gadget givebackfunction is involved in the vulnerability. - The
dwc3 ep0 complete datafunction is part of the call trace. - The
dwc3 ep0 interruptfunction is affected. - The
dwc3 process event entryfunction is involved in the vulnerability. - The
dwc3 process event buffunction is part of the call trace. - The
dwc3 thread interruptfunction is affected.
Recommendations
At the moment, there is no information about a newer version that contains a fix for this vulnerability.
Exploit
Improper Locking
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Weakness Enumeration
Related Identifiers
Affected Products
Astra Linux
Linux Kernel
Red Os
Suse