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CVE-2020-12770

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Date: May 9, 2020

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.

Language: C

Severity Score

Related Resources (24)

https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R54VC7B6MDYKP57AWC2HN7AUJYH62RKI/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IO5XIQSRI747P4RVVTNX7TUPEOCF4OPU/
https://usn.ubuntu.com/4419-1/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ES5C6ZCMALBEBMKNNCTBSLLSYGFZG3FF/
https://access.redhat.com/security/cve/CVE-2020-12770
https://people.canonical.com/~ubuntu-security/cve/CVE-2020-12770
https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html
https://www.debian.org/security/2020/dsa-4699
https://www.debian.org/security/2020/dsa-4698
https://security-tracker.debian.org/tracker/CVE-2020-12770
https://nvd.nist.gov/vuln/detail/CVE-2020-12770
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=83c6f2390040f188cc25b270b4befeb5628c1aee
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/IO5XIQSRI747P4RVVTNX7TUPEOCF4OPU/
https://usn.ubuntu.com/4412-1/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/R54VC7B6MDYKP57AWC2HN7AUJYH62RKI/
https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html
https://usn.ubuntu.com/4411-1/
https://security.netapp.com/advisory/ntap-20200608-0001/
https://usn.ubuntu.com/4413-1/
https://usn.ubuntu.com/4414-1/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ES5C6ZCMALBEBMKNNCTBSLLSYGFZG3FF/
https://lkml.org/lkml/2020/4/13/870
https://www.mend.io/vulnerability-database/CVE-2020-12770

Severity Score

Weakness Type (CWE)

Insufficient Information

NVD-CWE-noinfo

Top Fix

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Upgrade Version

Upgrade to version linux-yocto - 4.8.24+gitAUTOINC+c84532b647_f6329fd287;linux-yocto - 4.10+gitAUTOINC+805ea440c7_b259a5d744;linux-libc-headers - 5.8

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): PARTIAL
Integrity (I): PARTIAL
Availability (A): PARTIAL
Additional information:

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