CVE-2023-0386
Linux Kernel Improper Ownership Management Vulnerability
CVSS
—
Sem CVSS
EPSS
7.9%
p95
KEV
SIM
17 de jun. de 2025
Exploit Today
78
0-100
Publicado: — · Última mod.: —
Produto
Linux / Kernel
Vulnerabilidade
Linux Kernel Improper Ownership Management Vulnerability
Adicionado ao KEV
17 de jun. de 2025
Corrigir até
8 de jul. de 2025
Uso conhecido em ransomware
Não
Descrição resumida
Linux Kernel contains an improper ownership management vulnerability, 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.
Ação necessária
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Notas
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