CVE-2022-25258 Information

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.

CVSS Vector

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

Reference

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/package-announce@lists.fedoraproject.org/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

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

NONE

Base Score

HIGH

Base Severity

4.6