Memory corruption in Linux kernel - CVE-2026-53288
Published: June 29, 2026
Vulnerability identifier: #VU135750
CSH Severity: Low
CVSS v4.0: 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
CVE-ID: CVE-2026-53288
CWE-ID: CWE-119
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability description
The vulnerability allows a local user to cause a denial of service.
The vulnerability exists due to improper memory mapping in early kernel mapping when initializing arm64 kernel segment page tables. A local user can trigger the vulnerable boot-time mapping condition to cause a denial of service.
The issue affects arm64 systems using 4K pages during early boot.
How to mitigate CVE-2026-53288
Install security update from vendor's repository.