CVE-2023-0386

Severity

78%

Complexity

18%

Confidentiality

98%

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.

CVSS 3.1 Base Score 7.8. CVSS Attack Vector: local. CVSS Attack Complexity: low. CVSS Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H).

Overview

First reported 1 year ago

2023-03-22 21:15:00

Last updated 1 year ago

2023-06-26 16:56:00

Affected Software

Linux Kernel

References

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a

Mailing List, Patch

https://security.netapp.com/advisory/ntap-20230420-0004/

DSA-5402

[debian-lts-announce] 20230605 [SECURITY] [DLA 3446-1] linux-5.10 security update

http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4f11ada10d0a

Mailing List, Patch, Vendor Advisory

https://security.netapp.com/advisory/ntap-20230420-0004/

Third Party Advisory

DSA-5402

Third Party Advisory

[debian-lts-announce] 20230605 [SECURITY] [DLA 3446-1] linux-5.10 security update

Mailing List, Third Party Advisory

http://packetstormsecurity.com/files/173087/Kernel-Live-Patch-Security-Notice-LSN-0095-1.html

Third Party Advisory

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