CVE-2026-53021

MediumCVSS 5.5/10Last modified Jul 15, 2026

Description

In the Linux kernel, the following vulnerability has been resolved:

scsi: target: core: Fix integer overflow in UNMAP bounds check

sbc_execute_unmap() checks LBA + range does not exceed the device capacity, but does not guard against LBA + range wrapping around on 64-bit overflow.

Add an overflow check matching the pattern already used for WRITE_SAME in the same file.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-190

Affected software

No affected versions have been published.

Timeline

Published
Jun 24, 2026
Last modified
Jul 15, 2026
NVD status
Analyzed

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CVE-2026-53021: Medium severity, CVSS 5.5 | Vulnix