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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HCanonical Ubuntu
OSCanonical18.0420.0422.04Debian
OSDebian10.0Linux Kernel
OSLinux6.25.16 – 6.1.9 (excl.)5.11 – 5.15.91 (excl.)Netapp H300s
HWNetappall versionsNetapp H300s Firmware
OSNetappall versionsNetapp H410c
HWNetappall versionsNetapp H410c Firmware
OSNetappall versionsNetapp H410s
HWNetappall versionsNetapp H410s Firmware
OSNetappall versionsNetapp H500s
HWNetappall versionsNetapp H500s Firmware
OSNetappall versionsNetapp H700s
HWNetappall versionsNetapp H700s Firmware
OSNetappall versions
CISA KEV — detailsi
- Vendori
- Linux
- Producti
- Kernel
- Added to KEVi
- June 17, 2025
- Remediation deadline (US Federal)i
- July 8, 2025(overdue)
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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.
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