7.8
High
Exploited
CVE-2023-0386 Linux Kernel Improper Ownership Management Vulnerability
Active exploitation observed
· CISA KEV catalogue
Required action
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Ransomware campaigns
Not observed so far
Weakness
CWE-282
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.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| kernel | Versions not published |
References
- git.kernel.org git.kernel.org
- security.netapp.com security.netapp.com
- DSA-5402 www.debian.org
- [debian-lts-announce] 20230605 [SECURITY] [DLA 3446-1] linux-5.10 security update lists.debian.org
- packetstormsecurity.com packetstormsecurity.com
- [debian-lts-announce] 20240627 [SECURITY] [DLA 3840-1] linux security update lists.debian.org
Timeline
- Published
- Added to the KEV catalogue
- Last modified
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