CVE-2022-25258

medium

Description

An issue was discovered in drivers/usb/gadget/composite.c in the Linux kernel before 5.16.10. The USB Gadget subsystem lacks certain validation of interface OS descriptor requests (ones with a large array index and ones associated with NULL function pointer retrieval). Memory corruption might occur.

References

https://github.com/torvalds/linux/commit/75e5b4849b81e19e9efe1654b30d7f3151c33c2c

https://github.com/szymonh/d-os-descriptor

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.10

https://lists.fedoraproject.org/archives/list/[email protected]/message/TCW2KZYJ2H6BKZE3CVLHRIXYDGNYYC5P/

https://www.debian.org/security/2022/dsa-5096

https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html

https://lists.debian.org/debian-lts-announce/2022/03/msg00011.html

https://www.debian.org/security/2022/dsa-5092

Details

Source: MITRE

Published: 2022-02-16

Updated: 2022-05-11

Type: CWE-476

Risk Information

CVSS v2

Base Score: 4.9

Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C

Impact Score: 6.9

Exploitability Score: 3.9

Severity: MEDIUM

CVSS v3

Base Score: 4.6

Vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 0.9

Severity: MEDIUM