CVE-2026-53020

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.

Metadata

CVE ID: CVE-2026-53020
State: PUBLISHED
Assigner: Linux
Reserved: 2026-06-09 07:44 UTC
Published: 2026-06-24 16:29 UTC
Last updated: 2026-06-24 16:29 UTC
Vendor / Product: Linux / Linux
Sources: cve.org · NVD

Severity & Metrics

No CVSS data available.

Affected products (2)

Vendor	Product	Platform	Versions
Linux	Linux	—	1e4ee5135d814fe4785890790cec81c3132888fb < f21c343ec7419377bff89ab11146c03ae117036f, 1e4ee5135d814fe4785890790cec81c3132888fb < 102331b66bcaf1f41f50b9c4cd5c36e46bafa9f3
Linux	Linux	—	6.19, 0 < 6.19, 7.0.10 ≤ 7.0., 7.1 ≤

References (2)

https://git.kernel.org/stable/c/f21c343ec7419377bff89ab11146c03ae117036f
https://git.kernel.org/stable/c/102331b66bcaf1f41f50b9c4cd5c36e46bafa9f3

Back to overview