Answer in brief
CVE-2023-0386 records a High severity security vulnerability in Linux Kernel Improper Ownership Management Vulnerability. The source record marks it as known exploited. No package mapping is present, so exposure must be confirmed against the affected product and deployment inventory.
Answer in brief
CVE-2023-0386 records a High severity security vulnerability in Linux Kernel Improper Ownership Management Vulnerability. The source record marks it as known exploited. No package mapping is present, so exposure must be confirmed against the affected product and deployment inventory.
Review the upstream advisory, identify the affected product in your inventory, and apply the vendor update when one is available.
Vulnerability describes the vulnerability class recorded for this advisory. CISA KEV marks CVE-2023-0386 as known exploited, so exposure review should be prioritized. This is a product-level record in the current feed, not a package-level dependency mapping.
Affected software not mapped. Review the upstream record for vendor-specific product and version guidance.
No references were reported by the source.
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.
Reported by CISA KEV (kev).
CVE-2023-0386 records a High severity security vulnerability in Linux Kernel Improper Ownership Management Vulnerability. The source record marks it as known exploited. No package mapping is present, so exposure must be confirmed against the affected product and deployment inventory.
The source record marks it as known exploited.
Confirm whether the product or interface named by this advisory exists in your inventory.
HOL Guard can help your team monitor supply-chain activity while the upstream record is clarified.
Explore HOL GuardReview the upstream advisory, identify the affected product in your inventory, and apply the vendor update when one is available.
Vulnerability describes the vulnerability class recorded for this advisory. CISA KEV marks CVE-2023-0386 as known exploited, so exposure review should be prioritized. This is a product-level record in the current feed, not a package-level dependency mapping.
Affected software not mapped. Review the upstream record for vendor-specific product and version guidance.
No references were reported by the source.
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.
Reported by CISA KEV (kev).
CVE-2023-0386 records a High severity security vulnerability in Linux Kernel Improper Ownership Management Vulnerability. The source record marks it as known exploited. No package mapping is present, so exposure must be confirmed against the affected product and deployment inventory.
The source record marks it as known exploited.
Confirm whether the product or interface named by this advisory exists in your inventory.
HOL Guard can help your team monitor supply-chain activity while the upstream record is clarified.
Explore HOL Guard