CVE-2021-47055
개요
A flaw was found in the Linux Kernel, requiring write permissions for locking and badblock ioctls, as they modify protection bits.
내용
Red Hat Enterprise Linux 9 is not affected by this vulnerability.
CVSS (Common Vulnerability Scoring System) 점수 세부 사항
Info alert:Important note
CVSS scores for open source components depend on vendor-specific factors (e.g. version or build chain). Therefore, Red Hat's score and impact rating can be different from NVD and other vendors. Red Hat remains the authoritative CVE Naming Authority (CNA) source for its products and services (see Red Hat classifications).
CVSS v3 점수 분석
| Red Hat | NVD | cve.org | |
|---|---|---|---|
| 기본 점수 | 3.3 | 5.5 | 7.1 |
| 공격 벡터 | Local | Local | Local |
| 공격 복잡성 | Low | Low | Low |
| 필요한 권한 | Low | Low | Low |
| 사용자 상호 작용 | None | None | None |
| 범위 | Unchanged | Unchanged | Unchanged |
| 기밀성 | None | None | None |
| 무결성에 미치는 영향 | None | None | High |
| 가용성에 미치는 영향 | Low | High | High |
벡터
Red Hat: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
NVD: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
cve.org: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
취약점 이해 (CWE)
Access Control
Technical Impact: Gain Privileges or Assume Identity
A user can access restricted functionality and/or sensitive information that may include administrative functionality and user accounts.
