Home/CVE/An issue was discovered in the Linux kernel through 5.6.11. sg_write lacks an sg_remove_request call in a certain failur
CVE

CVE-2020-12770

An issue was discovered in the Linux kernel through 5.6.11. sg_write lacks an sg_remove_request call in a certain failur

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.

MEDIUM · CVSS 6.7 EPSS 0.00042
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  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
▤

Affected Products & Versions

23
linux kernel<= 5.6.11
fedoraproject fedoraall versions
canonical ubuntu linuxall versions
debian linuxall versions
netapp active iq unified managerall versions
netapp cloud backupall versions
netapp element softwareall versions
netapp hci management nodeall versions
▣

Scoring & Timeline

6.7
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD09 May 2020 · 09:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

27
rhsaRHSA-2020:4431Low
suse-csafSUSE-SU-2025:0229-1
suse-csafSUSE-SU-2022:14905-1
suse-csafSUSE-SU-2021:3972-1
suse-csafSUSE-SU-2021:3969-1
🔗

References & Sources

16
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=83c6f2390040f188cc25b270b4befeb5628c1aeeMailing ListPatch
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.htmlMailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ES5C6ZCMALBEBMKNNCTBSLLSYGFZG3FF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IO5XIQSRI747P4RVVTNX7TUPEOCF4OPU/
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