CVE-2026-53021

ANALYSIS PENDING

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

Title source: cna

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.

References (8)

Core 8

Core References

https://git.kernel.org/stable/c/c08ab702c4699c6efb9d60bdb15b73e7a627ee7e

https://git.kernel.org/stable/c/2e1ed9a7b6ea5bfefb5d80a02b1c71c7dee1f0dd

https://git.kernel.org/stable/c/5efc3ef4758f8d98c257419fa21daca3227de61a

https://git.kernel.org/stable/c/d7aef29573c7c5cdb2dfad939253287a6329c2a4

https://git.kernel.org/stable/c/3facdecc3fcf115cc4f9b3d8f118d6705e2456a8

https://git.kernel.org/stable/c/51075df70c46e60a9773f2dcd28299e40dac36fb

https://git.kernel.org/stable/c/02115986d027ade793e7f6be87e91d6a796d0aa3

https://git.kernel.org/stable/c/2bf2d65f76697820dbc4227d13866293576dd90a

Scores

EPSS 0.0018

EPSS Percentile 7.3%

Details

Status published

Products (25)

linux/Kernel 3.10.0 - 5.10.258linux

linux/Kernel 5.11.0 - 5.15.209linux

linux/Kernel 5.16.0 - 6.1.175linux

linux/Kernel 6.13.0 - 6.18.33linux

linux/Kernel 6.19.0 - 7.0.10linux

linux/Kernel 6.2.0 - 6.6.141linux

linux/Kernel 6.7.0 - 6.12.91linux

Linux/Linux < 3.10

Linux/Linux 3.10

Linux/Linux 5.10.258 - 5.10.*

... and 15 more

Published Jun 24, 2026

Tracked Since Jun 24, 2026