Executive Summary

Informations
Name CVE-2022-1263 First vendor Publication 2022-08-31
Vendor Cve Last vendor Modification 2022-09-07

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 :
Cvss Base Score N/A Attack Range N/A
Cvss Impact Score N/A Attack Complexity N/A
Cvss Expoit Score N/A Authentication N/A
Calculate full CVSS 2.0 Vectors scores

Detail

A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service.

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-1263

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-476 NULL Pointer Dereference

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 7
Os 3442
Os 2

Sources (Detail)

Source Url
MISC https://access.redhat.com/security/cve/CVE-2022-1263
https://bugzilla.redhat.com/show_bug.cgi?id=2072698
https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cf...
https://www.openwall.com/lists/oss-security/2022/04/07/1

Alert History

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Date Informations
2022-10-11 13:11:20
  • Multiple Updates
2022-10-11 01:24:09
  • Multiple Updates
2022-09-08 21:27:15
  • Multiple Updates
2022-09-07 17:27:12
  • Multiple Updates
2022-08-31 21:27:12
  • First insertion