CVE-2020-12770: canonical ubuntu_linux
Vulnerability summary
CVE-2020-12770 is a medium (CVSS 6.7) vulnerability in canonical ubuntu_linux. EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 48% of scored vulnerabilities.
Not severe (CVSS 6.7, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 32 · Related 19Timeline
- 09-05-2020PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated6.7MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated6.7MediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.59%
Chance of exploitation in the next 30 days
Percentile
48%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.59% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu41 products
- linuxAll versions (No fix recorded) | < 4.4.0-185.215 | < 4.15.0-109.110 | < 5.4.0-40.44
- linux-aws< 4.4.0-1074.78 | < 4.4.0-1110.121 | < 4.15.0-1077.81 | < 5.4.0-1018.18
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.3< 5.3.0-1030.32~18.04.1
- linux-aws-fips< 4.15.0-2022.22 | All versions (No fix recorded)
Netapp19 products
Debian2 products
- linux< 5.6.14-1
- debian_linuxEOL8.0 | 9.0 | 10.0
Canonical1 product
- ubuntu_linuxEOL14.04 | 16.04 | 18.04 | 19.10 | 20.04
Fedoraproject1 product
- fedoraEOL30 | 31 | 32
Linux1 product
- linux_kernel≤ 5.6.11
6 vendors · 65 products
References
26 links
lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlMailing ListX Refsource MLISTThird Party Advisory- lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing ListX Refsource MLISTThird Party Advisory
- lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlMailing ListX Refsource MLISTThird Party Advisory
