Updated: 2024-11-30 03:47:57.768029
Description:
An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1.
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | MEDIUM | 6.9 |
| CVSS Version 3.x | HIGH | 7 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated | Statement |
|---|---|---|---|---|---|---|---|---|
| CentOS 8.4 ELS | kernel | 4.18.0 | 7.0 | HIGH | Released | CLSA-2022:1651145959 | 2022-04-28 16:00:02 | |
| CentOS 8.5 ELS | kernel | 4.18.0 | 7.0 | HIGH | Already Fixed | 2023-11-15 10:24:34 |