CVE-2026-53021

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

State: Published
Severity: Not scored
Published: Jun 24, 2026
Updated: Jun 24, 2026
Reserved: Jun 9, 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.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

Product	Versions
LinuxLinux	86d7182985d25900929adce14fffd729cc8c6fb8 to before c08ab702c4699c6efb9d60bdb15b73e7a627ee7eAffected 86d7182985d25900929adce14fffd729cc8c6fb8 to before 2e1ed9a7b6ea5bfefb5d80a02b1c71c7dee1f0ddAffected 86d7182985d25900929adce14fffd729cc8c6fb8 to before 5efc3ef4758f8d98c257419fa21daca3227de61aAffected 86d7182985d25900929adce14fffd729cc8c6fb8 to before d7aef29573c7c5cdb2dfad939253287a6329c2a4Affected 86d7182985d25900929adce14fffd729cc8c6fb8 to before 3facdecc3fcf115cc4f9b3d8f118d6705e2456a8Affected 86d7182985d25900929adce14fffd729cc8c6fb8 to before 51075df70c46e60a9773f2dcd28299e40dac36fbAffected 86d7182985d25900929adce14fffd729cc8c6fb8 to before 02115986d027ade793e7f6be87e91d6a796d0aa3Affected 86d7182985d25900929adce14fffd729cc8c6fb8 to before 2bf2d65f76697820dbc4227d13866293576dd90aAffected
LinuxLinux	3.10Affected before 3.10Not affected 5.10.258 through 5.10.Not affected 5.15.209 through 5.15.Not affected 6.1.175 through 6.1.Not affected 6.6.141 through 6.6.Not affected 6.12.91 through 6.12.Not affected 6.18.33 through 6.18.Not affected 7.0.10 through 7.0.*Not affected 7.1 and laterNot affected

Product

Versions

LinuxLinux

86d7182985d25900929adce14fffd729cc8c6fb8 to before c08ab702c4699c6efb9d60bdb15b73e7a627ee7eAffected
86d7182985d25900929adce14fffd729cc8c6fb8 to before 2e1ed9a7b6ea5bfefb5d80a02b1c71c7dee1f0ddAffected
86d7182985d25900929adce14fffd729cc8c6fb8 to before 5efc3ef4758f8d98c257419fa21daca3227de61aAffected
86d7182985d25900929adce14fffd729cc8c6fb8 to before d7aef29573c7c5cdb2dfad939253287a6329c2a4Affected
86d7182985d25900929adce14fffd729cc8c6fb8 to before 3facdecc3fcf115cc4f9b3d8f118d6705e2456a8Affected
86d7182985d25900929adce14fffd729cc8c6fb8 to before 51075df70c46e60a9773f2dcd28299e40dac36fbAffected
86d7182985d25900929adce14fffd729cc8c6fb8 to before 02115986d027ade793e7f6be87e91d6a796d0aa3Affected
86d7182985d25900929adce14fffd729cc8c6fb8 to before 2bf2d65f76697820dbc4227d13866293576dd90aAffected

LinuxLinux

3.10Affected
before 3.10Not affected
5.10.258 through 5.10.*Not affected
5.15.209 through 5.15.*Not affected
6.1.175 through 6.1.*Not affected
6.6.141 through 6.6.*Not affected
6.12.91 through 6.12.*Not affected
6.18.33 through 6.18.*Not affected
7.0.10 through 7.0.*Not affected
7.1 and laterNot affected

References

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