CVE-2023-0266 Vulnerability Details

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CVE-2023-0266 Metadata Quick Info

CVE Published: 30/01/2023 | CVE Updated: 02/08/2024 | CVE Year: 2023
Source: Google | Vendor: Linux | Product: Linux Kernel
Status : PUBLISHED

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CVE-2023-0266 Description

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

Metrics

CVSS Version: 3.1 | Base Score: 7.9 HIGH
Vector: CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:C/C:L/I:H/A:H

l➤ Exploitability Metrics:
    Attack Vector (AV)* ADJACENT_NETWORK
    Attack Complexity (AC)* HIGH
    Privileges Required (PR)* LOW
    User Interaction (UI)* NONE
    Scope (S)* CHANGED

l➤ Impact Metrics:
    Confidentiality Impact (C)* LOW
    Integrity Impact (I)* HIGH
    Availability Impact (A)* HIGH

Weakness Enumeration (CWE)

CWE-ID: CWE-416
CWE Name: CWE-416 Use After Free
Source: Linux

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID: CAPEC-233
CAPEC Description: CAPEC-233 Privilege Escalation


Source: NVD (National Vulnerability Database).