Updated: 2025-08-20 00:39:21.054351
Description:
An issue was discovered in drivers/mtd/ubi/cdev.c in the Linux kernel 6.2. There is a divide-by-zero error in do_div(sz,mtd->erasesize), used indirectly by ctrl_cdev_ioctl, when mtd->erasesize is 0.
| 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 |
|---|---|---|---|---|---|---|---|---|
| Ubuntu 16.04 ELS | linux-hwe | 4.15.0 | 5.5 | MEDIUM | Released | CLSA-2023:1701279154 | 2023-11-29 13:09:59 | |
| Ubuntu 16.04 ELS | linux | 4.4.0 | 5.5 | MEDIUM | Released | CLSA-2023:1701799960 | 2023-12-05 16:09:41 | |
| Ubuntu 18.04 ELS | linux | 4.15.0 | 5.5 | MEDIUM | Released | CLSA-2023:1701265865 | 2023-11-29 10:08:36 |