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CVE-2023-0386

high · 7.8Actively exploited

On the CISA Known Exploited Vulnerabilities catalog

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Added 2025-06-17Remediation due 2025-07-08

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.

7.8
CVSS
7.9%
EPSS (exploit prob.)
94th
EPSS percentile
2023-03-22
Published

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-282

Affected products

VendorProductAffected versions
debiandebian_linux10.0
netapph300s_firmwareall versions
netapph300sall versions
netapph500s_firmwareall versions
netapph500sall versions
netapph700s_firmwareall versions
netapph700sall versions
netapph410s_firmwareall versions
netapph410sall versions
netapph410c_firmwareall versions
netapph410call versions
canonicalubuntu_linux18.04
canonicalubuntu_linux20.04
canonicalubuntu_linux22.04
linuxlinux_kernel>= 5.11, < 5.15.91
linuxlinux_kernel>= 5.16, < 6.1.9
linuxlinux_kernel6.2
linuxlinux_kernel6.2
linuxlinux_kernel6.2
linuxlinux_kernel6.2
linuxlinux_kernel6.2

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2023-0386