VDB
CVE-2026-53020
CVE-2026-53020
PUBLISHED
CVSS 7.8 HIGH
Reported by Linux · Published June 24, 2026
In the Linux kernel, the following vulnerability has been resolved: um: Fix potential race condition in TLB sync During the TLB sync, we need to traverse and modify the page table, so we should hold the page table lock. Since full SMP support for threads within the same process is still missing, let's disable the split page table lock for simplicity.
EPSS 0.09% · 0.6th percentile
Risk Scores
CVSS 3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.09%
0.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 1e4ee5135d814fe4785890790cec81c3132888fb, 1e4ee5135d814fe4785890790cec81c3132888fb |
| Linux | Linux | 6.19, 0, 7.0.10 |
| Linux | Linux | 7.1, 7.1, 1e4ee5135d814fe4785890790cec81c3132888fb |
| linux | linux_kernel | 6.19, 6.19, 6.19 |
Timeline
- Jun 24, 2026 CVE Published
- Jun 25, 2026 Coalition ESS Score
- Jun 26, 2026 EPSS Score
- Jul 15, 2026 CVE Updated
- Aug 7, 2026 EPSS Score
- Aug 24, 2026 EPSS Score
- Aug 27, 2026 EPSS Score