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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2026-53020

um: Fix potential race condition in TLB sync

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Status
Published
Published
Updated
Assigning organization
Linux

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Linux Linux

Default version status: unaffected

  • 1e4ee5135d814fe4785890790cec81c3132888fb to < f21c343ec7419377bff89ab11146c03ae117036faffected
  • 1e4ee5135d814fe4785890790cec81c3132888fb to < 102331b66bcaf1f41f50b9c4cd5c36e46bafa9f3affected

Linux Linux

Default version status: affected

  • 6.19affected
  • 0 to < 6.19unaffected
  • 7.0.10 to ≤ 7.0.*unaffected
  • 7.1 to ≤ *unaffected

References