CVE-2021-22600 Vulnerability Details

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CVE-2021-22600 Metadata Quick Info

CVE Published: 26/01/2022 | CVE Updated: 03/08/2024 | CVE Year: 2021
Source: Google | Vendor: Linux Kernel | Product: Kernel
Status : PUBLISHED

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CVE-2021-22600 Description

A double free bug in packet_set_ring() in net/packet/af_packet.c can be exploited by a local user through crafted syscalls to escalate privileges or deny service. We recommend upgrading kernel past the effected versions or rebuilding past ec6af094ea28f0f2dda1a6a33b14cd57e36a9755

Metrics

CVSS Version: 3.1 | Base Score: 6.6 MEDIUM
Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:H

l➤ Exploitability Metrics:
    Attack Vector (AV)* LOCAL
    Attack Complexity (AC)* HIGH
    Privileges Required (PR)* LOW
    User Interaction (UI)* REQUIRED
    Scope (S)* CHANGED

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

Weakness Enumeration (CWE)

CWE-ID: CWE-415
CWE Name: CWE-415 Double Free
Source: Linux Kernel

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).