CVE-2020-12464

Public Exploit

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.

Category

6.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.08%
Vendor Advisory debian.org Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory kernel.org Vendor Advisory kernel.org Vendor Advisory lkml.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

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

Frequently Asked Questions

What is the severity of CVE-2020-12464?
CVE-2020-12464 has been scored as a medium severity vulnerability.
How to fix CVE-2020-12464?
To fix CVE-2020-12464, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-12464 being actively exploited in the wild?
It is possible that CVE-2020-12464 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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