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Oracle Linux: (CVE-2023-0386) (Multiple Advisories): kernel security and bug fix update

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Oracle Linux: (CVE-2023-0386) (Multiple Advisories): kernel security and bug fix update

Severity
4
CVSS
(AV:L/AC:M/Au:N/C:P/I:P/A:P)
Published
03/22/2023
Created
05/05/2023
Added
04/06/2023
Modified
04/13/2023

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.

Solution(s)

  • oracle-linux-upgrade-kernel

References

  • ELSA-2023-1703
  • CVE-2023-0386

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