{"cve":"CVE-2026-53020","nvd":{"published":"2026-06-24T17:17:13.317","modified":"2026-07-15T14:12:13.387","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\num: Fix potential race condition in TLB sync\n\nDuring the TLB sync, we need to traverse and modify the page table,\nso we should hold the page table lock. Since full SMP support for\nthreads within the same process is still missing, let's disable the\nsplit page table lock for simplicity.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-362"],"references":["https://git.kernel.org/stable/c/102331b66bcaf1f41f50b9c4cd5c36e46bafa9f3","https://git.kernel.org/stable/c/f21c343ec7419377bff89ab11146c03ae117036f"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:41:17.107060303+00:00"},"epss":{"cve":"CVE-2026-53020","score":0.00127,"percentile":0.02395,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}