Executive Summary

Informations
Name CVE-2020-25641 First vendor Publication 2020-10-06
Vendor Cve Last vendor Modification 2022-11-21

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Overall CVSS Score 5.5
Base Score 5.5 Environmental Score 5.5
impact SubScore 3.6 Temporal Score 5.5
Exploitabality Sub Score 1.8
 
Attack Vector Local Attack Complexity Low
Privileges Required Low User Interaction None
Scope Unchanged Confidentiality Impact None
Integrity Impact None Availability Impact High
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:L/AC:L/Au:N/C:N/I:N/A:C)
Cvss Base Score 4.9 Attack Range Local
Cvss Impact Score 6.9 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

A flaw was found in the Linux kernel's implementation of biovecs in versions before 5.9-rc7. A zero-length biovec request issued by the block subsystem could cause the kernel to enter an infinite loop, causing a denial of service. This flaw allows a local attacker with basic privileges to issue requests to a block device, resulting in a denial of service. The highest threat from this vulnerability is to system availability.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25641

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 1
Os 2
Os 1
Os 3399
Os 2
Os 2

Sources (Detail)

Source Url
MISC https://bugzilla.redhat.com/show_bug.cgi?id=1881424
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id...
https://www.kernel.org/doc/html/latest/block/biovecs.html
MLIST http://www.openwall.com/lists/oss-security/2020/10/06/9
https://lists.debian.org/debian-lts-announce/2020/10/msg00032.html
https://lists.debian.org/debian-lts-announce/2020/10/msg00034.html
SUSE http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00021.html
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00042.html
UBUNTU https://usn.ubuntu.com/4576-1/

Alert History

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Date Informations
2024-03-12 13:06:43
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2022-11-22 00:27:37
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2022-09-09 01:53:39
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2021-12-11 12:45:33
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2021-05-19 12:35:20
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2020-12-15 01:29:17
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2020-12-08 21:24:17
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2020-12-05 05:22:52
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2020-11-03 05:22:55
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2020-10-20 09:22:57
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2020-10-12 05:22:52
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2020-10-08 17:22:52
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2020-10-06 21:23:07
  • First insertion