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

No CVSS.

References

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

Configurations

No configuration.

History

24 Jun 2026, 17:17

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-06-24 17:17

Updated : 2026-06-24 17:17

NVD link : CVE-2026-53021

Mitre link : CVE-2026-53021

CVE.ORG link : CVE-2026-53021

JSON object : View

Products Affected

No product.

CWE

No CWE.

{"id": "CVE-2026-53021", "cveTags": [], "metrics": {}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "86d7182985d25900929adce14fffd729cc8c6fb8", "lessThan": "c08ab702c4699c6efb9d60bdb15b73e7a627ee7e", "versionType": "git"}, {"status": "affected", "version": "86d7182985d25900929adce14fffd729cc8c6fb8", "lessThan": "2e1ed9a7b6ea5bfefb5d80a02b1c71c7dee1f0dd", "versionType": "git"}, {"status": "affected", "version": "86d7182985d25900929adce14fffd729cc8c6fb8", "lessThan": "5efc3ef4758f8d98c257419fa21daca3227de61a", "versionType": "git"}, {"status": "affected", "version": "86d7182985d25900929adce14fffd729cc8c6fb8", "lessThan": "d7aef29573c7c5cdb2dfad939253287a6329c2a4", "versionType": "git"}, {"status": "affected", "version": "86d7182985d25900929adce14fffd729cc8c6fb8", "lessThan": "3facdecc3fcf115cc4f9b3d8f118d6705e2456a8", "versionType": "git"}, {"status": "affected", "version": "86d7182985d25900929adce14fffd729cc8c6fb8", "lessThan": "51075df70c46e60a9773f2dcd28299e40dac36fb", "versionType": "git"}, {"status": "affected", "version": "86d7182985d25900929adce14fffd729cc8c6fb8", "lessThan": "02115986d027ade793e7f6be87e91d6a796d0aa3", "versionType": "git"}, {"status": "affected", "version": "86d7182985d25900929adce14fffd729cc8c6fb8", "lessThan": "2bf2d65f76697820dbc4227d13866293576dd90a", "versionType": "git"}], "programFiles": ["drivers/target/target_core_sbc.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.10"}, {"status": "unaffected", "version": "0", "lessThan": "3.10", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.258", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.209", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.175", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.141", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.91", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.33", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.0.10", "versionType": "semver", "lessThanOrEqual": "7.0.*"}, {"status": "unaffected", "version": "7.1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/target/target_core_sbc.c"], "defaultStatus": "affected"}]}], "published": "2026-06-24T17:17:13.410", "references": [{"url": "https://git.kernel.org/stable/c/02115986d027ade793e7f6be87e91d6a796d0aa3", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2bf2d65f76697820dbc4227d13866293576dd90a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/2e1ed9a7b6ea5bfefb5d80a02b1c71c7dee1f0dd", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3facdecc3fcf115cc4f9b3d8f118d6705e2456a8", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/51075df70c46e60a9773f2dcd28299e40dac36fb", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/5efc3ef4758f8d98c257419fa21daca3227de61a", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/c08ab702c4699c6efb9d60bdb15b73e7a627ee7e", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/d7aef29573c7c5cdb2dfad939253287a6329c2a4", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Received", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: target: core: Fix integer overflow in UNMAP bounds check\n\nsbc_execute_unmap() checks LBA + range does not exceed the device capacity,\nbut does not guard against LBA + range wrapping around on 64-bit overflow.\n\nAdd an overflow check matching the pattern already used for WRITE_SAME in\nthe same file."}], "lastModified": "2026-06-24T17:17:13.410", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}