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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-53021
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-24 17:17:13 UTC
Updated2026-07-15 14:12:03 UTC
DescriptionIn 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.

Risk And Classification

Primary CVSS: v3.1 5.5 MEDIUM from [email protected]

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

EPSS: 0.001760000 probability, percentile 0.073310000 (date 2026-07-13)

Problem Types: CWE-190

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 86d7182985d25900929adce14fffd729cc8c6fb8 c08ab702c4699c6efb9d60bdb15b73e7a627ee7e git Not specified
CNA Linux Linux affected 86d7182985d25900929adce14fffd729cc8c6fb8 2e1ed9a7b6ea5bfefb5d80a02b1c71c7dee1f0dd git Not specified
CNA Linux Linux affected 86d7182985d25900929adce14fffd729cc8c6fb8 5efc3ef4758f8d98c257419fa21daca3227de61a git Not specified
CNA Linux Linux affected 86d7182985d25900929adce14fffd729cc8c6fb8 d7aef29573c7c5cdb2dfad939253287a6329c2a4 git Not specified
CNA Linux Linux affected 86d7182985d25900929adce14fffd729cc8c6fb8 3facdecc3fcf115cc4f9b3d8f118d6705e2456a8 git Not specified
CNA Linux Linux affected 86d7182985d25900929adce14fffd729cc8c6fb8 51075df70c46e60a9773f2dcd28299e40dac36fb git Not specified
CNA Linux Linux affected 86d7182985d25900929adce14fffd729cc8c6fb8 02115986d027ade793e7f6be87e91d6a796d0aa3 git Not specified
CNA Linux Linux affected 86d7182985d25900929adce14fffd729cc8c6fb8 2bf2d65f76697820dbc4227d13866293576dd90a git Not specified
CNA Linux Linux affected 3.10 Not specified
CNA Linux Linux unaffected 3.10 semver Not specified
CNA Linux Linux unaffected 5.10.258 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.209 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.175 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.141 6.6.* semver Not specified
CNA Linux Linux unaffected 6.12.91 6.12.* semver Not specified
CNA Linux Linux unaffected 6.18.33 6.18.* semver Not specified
CNA Linux Linux unaffected 7.0.10 7.0.* semver Not specified
CNA Linux Linux unaffected 7.1 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/2e1ed9a7b6ea5bfefb5d80a02b1c71c7dee1f0dd 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/02115986d027ade793e7f6be87e91d6a796d0aa3 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/2bf2d65f76697820dbc4227d13866293576dd90a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/c08ab702c4699c6efb9d60bdb15b73e7a627ee7e 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/51075df70c46e60a9773f2dcd28299e40dac36fb 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/5efc3ef4758f8d98c257419fa21daca3227de61a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/3facdecc3fcf115cc4f9b3d8f118d6705e2456a8 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/d7aef29573c7c5cdb2dfad939253287a6329c2a4 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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