Updated: 2023-03-10 12:28:07.061403
Description:
** DISPUTED ** An issue was discovered in the Linux kernel before 5.19. In pxa3xx_gcu_write in drivers/video/fbdev/pxa3xx-gcu.c, the count parameter has a type conflict of size_t versus int, causing an integer overflow and bypassing the size check. After that, because it is used as the third argument to copy_from_user(), a heap overflow may occur. NOTE: the original discoverer disputes that the overflow can actually happen.
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | 0 | |
| CVSS Version 3.x | MEDIUM | 6.1 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated |
|---|---|---|---|---|---|---|---|
| CentOS 6 ELS | kernel | 2.6.32 | 6.1 | MEDIUM | Not Vulnerable | 2022-11-29 16:03:43 | |
| CentOS 7 ELS | kernel | 3.10.0 | 6.1 | MEDIUM | Ignored | 2023-09-19 05:07:36 | |
| CentOS 8.4 ELS | kernel | 4.18.0 | 6.1 | MEDIUM | Not Vulnerable | 2022-10-10 14:03:17 | |
| CentOS 8.5 ELS | kernel | 4.18.0 | 6.1 | MEDIUM | Not Vulnerable | 2022-10-10 14:03:17 | |
| CloudLinux 6 ELS | kernel | 2.6.32 | 6.1 | MEDIUM | Not Vulnerable | 2022-11-29 16:03:43 | |
| Oracle Linux 6 ELS | kernel | 2.6.32 | 6.1 | MEDIUM | Not Vulnerable | 2022-11-29 16:03:43 | |
| Ubuntu 16.04 ELS | linux-hwe | 4.15.0 | 6.1 | MEDIUM | Released | CLSA-2023:1677764911 | 2023-03-02 09:39:36 |
| Ubuntu 16.04 ELS | linux | 4.4.0 | 6.1 | MEDIUM | Released | 2023-05-10 03:34:53 | |
| Ubuntu 18.04 ELS | linux | 4.15.0 | 6.1 | MEDIUM | Ignored | 2023-03-02 04:03:57 |