Executive Summary

Informations
Name CVE-2023-0266 First vendor Publication 2023-01-30
Vendor Cve Last vendor Modification 2023-05-03

Security-Database Scoring CVSS v3

Cvss vector : CVSS:3.1/AV:L/AC:L/PR:L/UI:N/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 Low User Interaction None
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 :
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 use after free vulnerability exists in the ALSA PCM package in the Linux Kernel.¬ SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 is missing locks that can be used in a use-after-free that can result in a priviledge escalation to gain ring0 access from the system user. We recommend upgrading past commit¬ 56b88b50565cd8b946a2d00b0c83927b7ebb055e

Original Source

Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-0266

CWE : Common Weakness Enumeration

% Id Name
100 % CWE-416 Use After Free

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 8
Os 3499

Sources (Detail)

Source Url
MISC https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/...
https://github.com/torvalds/linux/commit/56b88b50565cd8b946a2d00b0c83927b7ebb...
https://github.com/torvalds/linux/commit/becf9e5d553c2389d857a3c178ce80fdb34a...
https://lists.debian.org/debian-lts-announce/2023/05/msg00006.html

Alert History

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Date Informations
2023-05-17 13:12:02
  • Multiple Updates
2023-05-03 21:27:33
  • Multiple Updates
2023-04-13 02:16:12
  • Multiple Updates
2023-04-07 13:13:40
  • Multiple Updates
2023-03-30 13:11:31
  • Multiple Updates
2023-03-29 02:29:21
  • Multiple Updates
2023-03-28 12:27:30
  • Multiple Updates
2023-03-25 02:15:58
  • Multiple Updates
2023-03-04 02:17:22
  • Multiple Updates
2023-02-07 00:27:19
  • Multiple Updates
2023-01-30 17:27:14
  • First insertion