Vulnerability CVE-2020-12464
Published: 2020-04-29

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.

Type:

CWE-416

 (Use After Free)

CVSS2 => (AV:L/AC:L/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
7.2/10
10/10
3.9/10
Exploit range
Attack complexity
Authentication
Local
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Linux -> Linux kernel 

 References:
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://lkml.org/lkml/2020/3/23/52
https://patchwork.kernel.org/patch/11463781/
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