CVE-2020-12770

Description

An issue was discovered in the Linux kernel through 5.6.11. sg_write lacks an sg_remove_request call in a certain failure case, aka CID-83c6f2390040.

6.7
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.05%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory debian.org Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com Vendor Advisory ubuntu.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://lkml.org/lkml/2020/4/13/870 mailing list third party advisory patch
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=83c6f2390040f188cc25b270b4befeb5628c1aee mailing list patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R54VC7B6MDYKP57AWC2HN7AUJYH62RKI/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ES5C6ZCMALBEBMKNNCTBSLLSYGFZG3FF/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IO5XIQSRI747P4RVVTNX7TUPEOCF4OPU/ vendor advisory
https://security.netapp.com/advisory/ntap-20200608-0001/ third party advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html mailing list third party advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html mailing list third party advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html mailing list third party advisory
https://www.debian.org/security/2020/dsa-4698 vendor advisory third party advisory
https://www.debian.org/security/2020/dsa-4699 vendor advisory third party advisory
https://usn.ubuntu.com/4413-1/ vendor advisory third party advisory
https://usn.ubuntu.com/4411-1/ vendor advisory third party advisory
https://usn.ubuntu.com/4412-1/ vendor advisory third party advisory
https://usn.ubuntu.com/4419-1/ vendor advisory third party advisory
https://usn.ubuntu.com/4414-1/ vendor advisory third party advisory

Frequently Asked Questions

What is the severity of CVE-2020-12770?
CVE-2020-12770 has been scored as a medium severity vulnerability.
How to fix CVE-2020-12770?
To fix CVE-2020-12770, 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-2020-12770 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-12770 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.