peter bassill · operator
$ cve CVE-2023-0386 JSON

CVE-2023-0386 KEV

7.8
HIGH · CVSS 3.1 · EPSS 7.9% (pctl 95)

Patch first

On CISA KEV — known exploited in the wild, due 2025-07-08.

Description

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.

Scoring

CVSS7.8 (HIGH, v3.1)
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS7.88% — more likely to be exploited than 95% of all CVEs
WeaknessCWE-282
On CISA KEVyes — remediate by 2025-07-08
Public exploitnone known
Published2023-03-22
Last modified2026-06-17

CISA KEV

NameLinux Kernel Improper Ownership Management Vulnerability
Added2025-06-17
Due2025-07-08
Vendor / productLinux / Kernel
Ransomware usenone reported

Affected (13)

VendorProduct
canonicalubuntu linux
debiandebian linux
linuxlinux kernel
netapph300s
netapph300s firmware
netapph410c
netapph410c firmware
netapph410s
netapph410s firmware
netapph500s
netapph500s firmware
netapph700s
netapph700s firmware

References

→ the Explorer  ·  watch your stack  ·  NVD