CVE-2026-53020
um: Fix potential race condition in TLB sync
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jun 24, 2026 |
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Affected Versions
Linux / Linux
1e4ee5135d814fe4785890790cec81c3132888fb < f21c343ec7419377bff89ab11146c03ae117036f 1e4ee5135d814fe4785890790cec81c3132888fb < 102331b66bcaf1f41f50b9c4cd5c36e46bafa9f3
Linux / Linux
6.19