CVE-2023-2598

Updated: 2023-11-04 20:43:07.211056

Description:

A flaw was found in the fixed buffer registration code for io_uring (io_sqe_buffer_register in io_uring/rsrc.c) in the Linux kernel that allows out-of-bounds access to physical memory beyond the end of the buffer. This flaw enables full local privilege escalation.


Links NIST CIRCL RHEL Ubuntu

Severity

Severity Score
CVSS Version 2.x 0
CVSS Version 3.x HIGH 7.8

Status

OS name Project name Version Score Severity Status Errata Last updated
CentOS 6 ELS kernel 2.6.32 7.8 HIGH Not Vulnerable 2023-08-29 00:28:23
CentOS 8.4 ELS kernel 4.18.0 7.8 HIGH Not Vulnerable 2023-08-29 04:23:39
CentOS 8.5 ELS kernel 4.18.0 7.8 HIGH Not Vulnerable 2023-08-29 04:23:40
CloudLinux 6 ELS kernel 2.6.32 7.8 HIGH Not Vulnerable 2023-08-29 00:28:23
Oracle Linux 6 ELS kernel 2.6.32 7.8 HIGH Not Vulnerable 2023-08-29 00:28:22
Ubuntu 16.04 ELS linux-hwe 4.15.0 7.8 HIGH Not Vulnerable 2023-06-12 05:04:50
Ubuntu 16.04 ELS linux 4.4.0 7.8 HIGH Not Vulnerable 2023-06-12 05:04:50
Ubuntu 18.04 ELS linux 4.15.0 7.8 HIGH Not Vulnerable 2023-08-28 21:16:06