CVE-2020-12464 Information

Description

usb_sg_cancel in drivers/usb/core/message.c in the Linux kernel before 5.6.8 has a use-after-free because a transfer occurs without a reference aka CID-056ad39ee925.

CVSS Vector

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

Reference

http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.6.8 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=056ad39ee9253873522f6469c3364964a322912b https://github.com/torvalds/linux/commit/056ad39ee9253873522f6469c3364964a322912b https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html https://lkml.org/lkml/2020/3/23/52 https://patchwork.kernel.org/patch/11463781/ https://security.netapp.com/advisory/ntap-20200608-0001/ https://usn.ubuntu.com/4387-1/ https://usn.ubuntu.com/4388-1/ https://usn.ubuntu.com/4389-1/ https://usn.ubuntu.com/4390-1/ https://usn.ubuntu.com/4391-1/ https://www.debian.org/security/2020/dsa-4698 https://www.debian.org/security/2020/dsa-4699

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction Required

HIGH

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

6.7