Executive Summary

Informations
Name CVE-2020-36385 First vendor Publication 2021-06-07
Vendor Cve Last vendor Modification 2022-10-25

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Overall CVSS Score 7.8
Base Score 7.8 Environmental Score 7.8
impact SubScore 5.9 Temporal Score 7.8
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required None User Interaction Required
Scope Unchanged Confidentiality Impact High
Integrity Impact High Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Cvss Base Score 6.8 Attack Range Network
Cvss Impact Score 6.4 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

An issue was discovered in the Linux kernel before 5.10. drivers/infiniband/core/ucma.c has a use-after-free because the ctx is reached via the ctx_list in some ucma_migrate_id situations where ucma_close is called, aka CID-f5449e74802c.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-36385

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-416 Use After Free

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Application 1
Application 1
Os 3404

Sources (Detail)

Source Url
CONFIRM https://security.netapp.com/advisory/ntap-20210720-0004/
MISC https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id...
https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-ucma_close-2
https://syzkaller.appspot.com/bug?id=457491c4672d7b52c1007db213d93e47c711fae6
https://www.starwindsoftware.com/security/sw-20220802-0002/

Alert History

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Date Informations
2024-03-12 13:08:28
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2022-10-25 21:27:35
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2021-06-08 00:22:48
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2021-06-07 17:22:46
  • First insertion