Updated: 2025-08-20 02:39:04.370302
Description:
A flaw named "EntryBleed" was found in the Linux Kernel Page Table Isolation (KPTI). This issue could allow a local attacker to leak KASLR base via prefetch side-channels based on TLB timing for Intel systems.
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | 0.0 | |
| CVSS Version 3.x | MEDIUM | 5.5 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
|---|---|---|---|---|---|---|---|---|
| AlmaLinux 9.2 ESU | kernel | 5.14.0 | 5.5 | MEDIUM | Ignored | 2023-11-21 04:12:02 | EntryBleed (CVE-2022-4543) is a local‑only, Intel‑specific side channel that leaks only the kern... | |
| CentOS 6 ELS | kernel | 2.6.32 | 5.5 | MEDIUM | Ignored | 2023-10-27 11:06:50 | Ignored due to low severity | |
| CentOS 7 ELS | kernel | 3.10.0 | 5.5 | MEDIUM | Ignored | 2023-10-27 11:06:50 | Ignored due to low severity | |
| CentOS 8.4 ELS | kernel | 4.18.0 | 5.5 | MEDIUM | Ignored | 2023-10-27 11:06:50 | Ignored due to low severity | |
| CentOS 8.5 ELS | kernel | 4.18.0 | 5.5 | MEDIUM | Ignored | 2023-10-27 11:06:50 | Ignored due to low severity | |
| CloudLinux 6 ELS | kernel | 2.6.32 | 5.5 | MEDIUM | Ignored | 2023-10-27 11:06:50 | Ignored due to low severity | |
| Oracle Linux 6 ELS | kernel | 2.6.32 | 5.5 | MEDIUM | Ignored | 2023-10-27 11:06:50 | Ignored due to low severity | |
| Ubuntu 16.04 ELS | linux-hwe | 4.15.0 | 5.5 | MEDIUM | Ignored | 2024-06-24 11:31:21 | Ignored due to low severity | |
| Ubuntu 16.04 ELS | linux | 4.4.0 | 5.5 | MEDIUM | Ignored | 2024-06-24 11:31:16 | Ignored due to low severity | |
| Ubuntu 18.04 ELS | linux | 4.15.0 | 5.5 | MEDIUM | Ignored | 2024-06-24 11:31:16 | Ignored due to low severity |