CVE-2021-22555 Vulnerability Details

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CVE-2021-22555 Metadata Quick Info

CVE Published: 07/07/2021 | CVE Updated: 16/09/2024 | CVE Year: 2021
Source: Google | Vendor: n/a | Product: Linux Kernel
Status : PUBLISHED

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CVE-2021-22555 Description

A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c. This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space

Metrics

CVSS Version: 3.1 | Base Score: 8.3 HIGH
Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

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

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

Weakness Enumeration (CWE)

CWE-ID: CWE-787
CWE Name: CWE-787 Out-of-bounds Write
Source: n/a

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).