Updated: 2024-11-30 02:10:22.334478
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 | Score | |
---|---|---|
CVSS Version 2.x | 0 | |
CVSS Version 3.x | HIGH | 7.8 |
OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
---|---|---|---|---|---|---|---|---|
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 |