CVE-2023-03867.8HighCWE-282

CVE-2023-0386: Linux Kernel vulnerability

Linux · Kernel

Vendor fix available · Affected: Linux Kernel · Exploitation: in CISA KEV since 17 Jun 2025

Not in CyberSIXT coverage yet: no article names this CVE. This page shows the public record.

ExploitationIn CISA KEV

In CISA KEVCISA KEV catalogue17 Jun 2025
Exploited (reported): not seen
Scanning observed: not seen
Proof of concept public: not seen
Not established: not seen

7.9%probability of exploitation in the next 30 days

94th percentile

050100

Higher than 94% of scored CVEs

7.8HighCVSS 3.1

LowMediumHighCrit.

DescriptionCVE.org

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.

Affected products1

From the CVE record. A product or version that is not listed is unknown, not unaffected.

KernelLinux kernel 6.2-rc6

On the Atlas

Every published CVE is on the CyberSIXT Atlas, grouped by weakness, vendor and month.

Open the Atlas

Exploitation: Exploited in the wild. Listed in the CISA Known Exploited Vulnerabilities catalogue.
CISA KEV: Listed since 17 Jun 2025 · catalogue entry
Public check: No public nuclei template
Weakness: Improper Ownership Management · Access Control
Vendor: Linux
Published: March 2023
Band: Exploited in the wild, March 2023

What changed

17 Jun 2025
CISA added it to the KEV catalogue CISA

CoverageNo articles yet

No CyberSIXT article names CVE-2023-0386 yet, so there is no coverage timeline, action brief or change log for it. Everything on this page comes from the public CVE record, CISA KEV, EPSS and the nuclei template index. Search the archive or see the CVEs in the news.