Executive Summary

Informations
Name CVE-2021-30178 First vendor Publication 2021-04-07
Vendor Cve Last vendor Modification 2021-04-24

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:P)
Cvss Base Score 2.1 Attack Range Local
Cvss Impact Score 2.9 Attack Complexity Low
Cvss Expoit Score 3.9 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

An issue was discovered in the Linux kernel through 5.11.11. synic_get in arch/x86/kvm/hyperv.c has a NULL pointer dereference for certain accesses to the SynIC Hyper-V context, aka CID-919f4ebc5987.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-30178

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-476 NULL Pointer Dereference

CPE : Common Platform Enumeration

TypeDescriptionCount
Os 2
Os 3358

Sources (Detail)

Source Url
FEDORA https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedorapr...
MISC https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id...

Alert History

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Date Informations
2021-05-04 14:10:04
  • Multiple Updates
2021-04-25 05:22:45
  • Multiple Updates
2021-04-22 00:23:12
  • Multiple Updates
2021-04-20 17:22:55
  • Multiple Updates
2021-04-15 00:23:06
  • Multiple Updates
2021-04-14 00:23:13
  • Multiple Updates
2021-04-08 12:36:54
  • Multiple Updates
2021-04-08 12:36:40
  • Multiple Updates
2021-04-08 01:37:21
  • Multiple Updates
2021-04-08 01:37:03
  • Multiple Updates
2021-04-07 17:23:04
  • Multiple Updates
2021-04-07 09:23:10
  • First insertion