CVE-2026-53021

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/02115986d027ade793e7f6be87e91d6a796d0aa3	Patch
https://git.kernel.org/stable/c/2bf2d65f76697820dbc4227d13866293576dd90a	Patch
https://git.kernel.org/stable/c/2e1ed9a7b6ea5bfefb5d80a02b1c71c7dee1f0dd	Patch
https://git.kernel.org/stable/c/3facdecc3fcf115cc4f9b3d8f118d6705e2456a8	Patch
https://git.kernel.org/stable/c/51075df70c46e60a9773f2dcd28299e40dac36fb	Patch
https://git.kernel.org/stable/c/5efc3ef4758f8d98c257419fa21daca3227de61a	Patch
https://git.kernel.org/stable/c/c08ab702c4699c6efb9d60bdb15b73e7a627ee7e	Patch
https://git.kernel.org/stable/c/d7aef29573c7c5cdb2dfad939253287a6329c2a4	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

No history.

Information

Published : 2026-06-24 17:17

Updated : 2026-07-15 14:12

NVD link : CVE-2026-53021

Mitre link : CVE-2026-53021

CVE.ORG link : CVE-2026-53021

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-190

Integer Overflow or Wraparound

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