CVE-2023-0386
Linux Kernel Improper Ownership Management Vulnerability
- 대응 우선순위
- 최우선
- CVSS
- 7.8
- EPSS
- 7.88% 백분위 94.0% · 2026.06.27 기준
- CISA KEV
- 등록
- 조치 기한
- 2025.07.08
- 공개일
- 2023.03.23
CISA KEV에 등록된 실제 악용 확인 취약점
A flaw was found in the Linux kernel, where unauthorized access to the execution of the setuid file with capabilities was found in the Linux kernel’s OverlayFS subsystem in how a user copies a capable file from a nosuid mount into another mount. This uid mapping bug allows a local user to escalate their privileges on the system.
공급사 Linux
제품 Kernel
영향 버전 Linux kernel 6.2-rc6, 10.0, 18.04, 20.04, 22.04, >= 5.11 < 5.15.91, >= 5.16 < 6.1.9, 6.2
수정 버전 5.15.91, 6.1.9
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
조치 기한: 2025.07.08CVSS 벡터 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE CWE-282
KEV 등록일 2025.06.17
랜섬웨어 캠페인 사용 미확인
CISA 비고 This vulnerability affects a common open-source component, third-party library, or a protocol used by different products. For more information, please see: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a ; https://access.redhat.com/security/cve/cve-2023-0386 ; https://security.netapp.com/advisory/ntap-20230420-0004/ ; https://nvd.nist.gov/vuln/detail/CVE-2023-0386
EPSS 데이터 기준일 2026.06.27