Updated: 2023-03-10 12:28:07.061403
Description:
An issue was discovered in include/asm-generic/tlb.h in the Linux kernel before 5.19. Because of a race condition (unmap_mapping_range versus munmap), a device driver can free a page while it still has stale TLB entries. This only occurs in situations with VM_PFNMAP VMAs.
| Links | NIST | CIRCL | RHEL | Ubuntu |
| Severity | Score | |
|---|---|---|
| CVSS Version 2.x | 0 | |
| CVSS Version 3.x | MEDIUM | 4.7 |
| OS name | Project name | Version | Score | Severity | Status | Errata | Last updated |
|---|---|---|---|---|---|---|---|
| CentOS 6 ELS | kernel | 2.6.32 | 4.7 | MEDIUM | Ignored | 2022-09-09 05:02:09 | |
| CentOS 8.4 ELS | kernel | 4.18.0-305.25.1 | 4.7 | MEDIUM | Ignored | 2022-09-09 05:02:09 | |
| CentOS 8.5 ELS | kernel | 4.18.0-348.7.1 | 4.7 | MEDIUM | Ignored | 2022-09-09 05:02:09 | |
| CloudLinux 6 ELS | kernel | 2.6.32 | 4.7 | MEDIUM | Ignored | 2022-09-09 05:02:09 | |
| Oracle Linux 6 ELS | kernel | 2.6.32 | 4.7 | MEDIUM | Ignored | 2022-09-09 05:02:09 | |
| Ubuntu 16.04 ELS | linux | 4.4.0 | 4.7 | MEDIUM | Ignored | 2023-02-01 04:05:38 | |
| Ubuntu 16.04 ELS | linux-hwe | 4.15.0 | 4.7 | MEDIUM | Released | CLSA-2023:1677764911 | 2023-03-02 09:39:36 |
| Ubuntu 18.04 ELS | linux | 4.15.0 | 4.7 | MEDIUM | Ignored | 2023-03-02 04:03:58 |