SB2026070738 - Race condition in Linux kernel arm64 kernel

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2026070738

SB2026070738 - Race condition in Linux kernel arm64 kernel

Published: July 7, 2026

Security Bulletin ID SB2026070738
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Race condition (CVE-ID: CVE-2025-10263)

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to improper synchronization in broadcast TLB invalidation completion handling in the arm64 TLB invalidation logic when performing memory accesses translated by an invalidated TLB entry after a TLBI;DSB sequence. A local user can trigger affected memory access patterns to cause a denial of service.

The issue affects only the completion of memory accesses translated by an invalidated TLB entry and does not prevent the actual invalidation of TLB entries.


Remediation

Install update from vendor's website.

References