CVE-2026-53021

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

published June 24, 2026

CVSS
—
EPSS
0%
Percentile
1.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00123 · 1.9th percentile
Published
2026-06-24T16:29Z
EPSS history
Timeline
  • 24 JUN 16:29Z
    scsi: target: core: Fix integer overflow in UNMAP bounds check
    cvelistv5