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.
CVE-2020-12770
Score 6.7 from GitHub Security Advisory published 2022-05-24. NVD baseline CVSS 6.7; sources differ by 0.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 6.7
- EG Score
- 6.7(medium)
- EG Risk
- 35(Track)EG Risk 35/100SSVC: Track
EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).
How it’s computedSeverity67% × 45%Exploitation1% × 40%Automatability30% × 15%Action: Routine — remediate on your standard cadence. - EPSS
- 44.4%
- KEV
- Not listed
Published
May 9, 2020
Last Modified
November 21, 2024
References (32)
- cve@mitrehttps://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=83c6f2390040f188cc25b270b4befeb5628c1aee
- cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
- cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
- cve@mitrehttps://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
- cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ES5C6ZCMALBEBMKNNCTBSLLSYGFZG3FF/
- cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IO5XIQSRI747P4RVVTNX7TUPEOCF4OPU/
- cve@mitrehttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R54VC7B6MDYKP57AWC2HN7AUJYH62RKI/
- cve@mitrehttps://lkml.org/lkml/2020/4/13/870
- cve@mitrehttps://security.netapp.com/advisory/ntap-20200608-0001/
- cve@mitrehttps://usn.ubuntu.com/4411-1/
- cve@mitrehttps://usn.ubuntu.com/4412-1/
- cve@mitrehttps://usn.ubuntu.com/4413-1/
- cve@mitrehttps://usn.ubuntu.com/4414-1/
- cve@mitrehttps://usn.ubuntu.com/4419-1/
- cve@mitrehttps://www.debian.org/security/2020/dsa-4698
Vendor Advisories for CVE-2020-12770(7)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2020:5656Red Hat Product SecurityMedium
Red Hat Security Advisory: kernel security update
- RHSA-2020:5430Red Hat Product SecurityMedium
Red Hat Security Advisory: kernel security and bug fix update
- RHSA-2020:5206Red Hat Product SecurityMedium
Red Hat Security Advisory: kernel security and bug fix update
- RHSA-2020:4609Red Hat Product SecurityMedium
Red Hat Security Advisory: kernel-rt security and bug fix update
- RHSA-2020:4431Red Hat Product SecurityMedium
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
- RHSA-2020:4060Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel security, bug fix, and enhancement update
- RHSA-2020:4062Red Hat Product SecurityHigh
Red Hat Security Advisory: kernel-rt security and bug fix update
Patch Availability(12)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | linux-image-virtual-hwe-16.04-edge (4.15.0.109.97) @ bionic | 2026-05-27 | ubuntu |
| ubuntu | linux-image-virtual-lts-xenial (4.4.0.185.191) @ xenial | 2026-05-27 | ubuntu |
| ubuntu | linux-image-virtual (5.3.0.62.52) @ eoan | 2026-05-27 | ubuntu |
| ubuntu | linux-image-oem-osp1 (5.0.0.1063.61) @ bionic | 2026-05-27 | ubuntu |
| ubuntu | linux-image-virtual-hwe-20.04 (5.4.0.40.43) @ focal | 2026-05-27 | ubuntu |
| redhat | kernel-0:3.10.0-957.65.1.el7 | 2020-12-22 | redhat |
| redhat | kernel-0:3.10.0-693.81.1.el7 | 2020-12-15 | redhat |
| redhat | kernel-0:3.10.0-1062.40.1.el7 | 2020-11-24 | redhat |
| redhat | kernel-0:4.18.0-240.el8 | 2020-11-04 | redhat |
| redhat | kernel-rt-0:4.18.0-240.rt7.54.el8 | 2020-11-04 | redhat |
| redhat | kernel-0:3.10.0-1160.el7 | 2020-09-29 | redhat |
| redhat | kernel-rt-0:3.10.0-1160.rt56.1131.el7 | 2020-09-29 | redhat |
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Additional Vendor Advisories
(6)
Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.
- Microsoft MSRCCVE-2020-127702020-11-10
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.
- UbuntuUSN-4411-1LOW
Linux kernel vulnerabilities
- UbuntuUSN-4412-1LOW
Linux kernel vulnerabilities
- UbuntuUSN-4413-1LOW
Linux kernel vulnerabilities
- UbuntuUSN-4414-1LOW
Linux kernel vulnerabilities
- UbuntuUSN-4419-1LOW
Linux kernel vulnerabilities
Data Freshness Timeline
(refreshed 14× in last 7d / 45× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-23 01:49 UTCEG score recompute
- 2026-07-22 22:33 UTCEG score recompute
- 2026-07-22 14:05 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-21 15:22 UTCEPSS rescore
- 2026-07-20 17:04 UTCEPSS rescore
- 2026-07-19 14:28 UTCEPSS rescore
- 2026-07-19 14:28 UTCEPSS rescore
- 2026-07-19 12:54 UTCOSV refresh
- 2026-07-19 02:26 UTCEPSS rescore
- 2026-07-19 02:26 UTCEPSS rescore
- 2026-07-18 10:02 UTCEPSS rescore
- 2026-07-16 16:59 UTCEPSS rescore
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- 2026-07-15 16:55 UTCEPSS rescore
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- 2026-07-08 15:11 UTCEPSS rescore
- 2026-07-07 13:43 UTCEPSS rescore
- 2026-07-06 16:25 UTCEPSS rescore
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- 2026-07-06 02:20 UTCEPSS rescore
- 2026-07-05 02:27 UTCEPSS rescore
- 2026-07-04 06:28 UTCEPSS rescore
- 2026-07-01 22:01 UTCOSV refresh
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-07-01 15:03 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-30 23:20 UTCEPSS rescore
- 2026-06-29 14:04 UTCEPSS rescore
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- 2026-06-28 14:05 UTCEPSS rescore
- 2026-06-28 04:54 UTCEPSS rescore
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- 2026-06-27 03:06 UTCEPSS rescore
- 2026-06-25 13:47 UTCEPSS rescore
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- 2026-06-18 17:50 UTCEPSS rescore
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- 2026-06-16 17:50 UTCEPSS rescore
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- 2026-06-15 17:46 UTCEPSS rescore
- 2026-06-14 23:15 UTCEPSS rescore
- 2026-06-14 23:15 UTCEPSS rescore
- 2026-06-14 03:13 UTCOSV refresh
- 2026-06-13 22:58 UTCEPSS rescore
- 2026-06-13 22:58 UTCEPSS rescore
- 2026-06-12 23:09 UTCEPSS rescore
- 2026-06-11 13:58 UTCEPSS rescore
- 2026-06-10 22:16 UTCEPSS rescore
- 2026-06-10 22:16 UTCEPSS rescore
- 2026-06-10 13:20 UTCEPSS rescore
- 2026-06-08 14:15 UTCEPSS rescore
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- 2026-06-07 15:23 UTCEPSS rescore
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- 2026-06-06 13:45 UTCEPSS rescore
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- 2026-06-05 22:45 UTCEPSS rescore
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- 2026-06-04 13:10 UTCEPSS rescore
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- 2026-06-01 13:50 UTCEPSS rescore
- 2026-05-31 22:29 UTCEPSS rescore
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- 2026-05-31 00:15 UTCEPSS rescore
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- 2026-05-29 13:42 UTCEPSS rescore
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- 2026-05-28 13:43 UTCEPSS rescore
- 2026-05-28 13:43 UTCEPSS rescore
- 2026-05-27 13:39 UTCEPSS rescore
- 2026-05-27 03:45 UTCEG score recompute
- 2026-05-27 03:45 UTCVendor advisory
- 2026-05-27 03:45 UTCGHSA enrichment
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 13:42 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
Related CVEs(same vendor)
Frequently asked(5)
What is CVE-2020-12770?
When was CVE-2020-12770 disclosed?
Is CVE-2020-12770 actively exploited?
What is the CVSS score of CVE-2020-12770?
How do I remediate CVE-2020-12770?
Dependency Blast Radius
Explore the affected products and dependency analysis for CVE-2020-12770
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