{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-53021","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-06-09T07:44:35.379Z","datePublished":"2026-06-24T16:29:30.671Z","dateUpdated":"2026-06-24T16:29:30.671Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-24T16:29:30.671Z"},"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."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/target/target_core_sbc.c"],"versions":[{"version":"86d7182985d25900929adce14fffd729cc8c6fb8","lessThan":"c08ab702c4699c6efb9d60bdb15b73e7a627ee7e","status":"affected","versionType":"git"},{"version":"86d7182985d25900929adce14fffd729cc8c6fb8","lessThan":"2e1ed9a7b6ea5bfefb5d80a02b1c71c7dee1f0dd","status":"affected","versionType":"git"},{"version":"86d7182985d25900929adce14fffd729cc8c6fb8","lessThan":"5efc3ef4758f8d98c257419fa21daca3227de61a","status":"affected","versionType":"git"},{"version":"86d7182985d25900929adce14fffd729cc8c6fb8","lessThan":"d7aef29573c7c5cdb2dfad939253287a6329c2a4","status":"affected","versionType":"git"},{"version":"86d7182985d25900929adce14fffd729cc8c6fb8","lessThan":"3facdecc3fcf115cc4f9b3d8f118d6705e2456a8","status":"affected","versionType":"git"},{"version":"86d7182985d25900929adce14fffd729cc8c6fb8","lessThan":"51075df70c46e60a9773f2dcd28299e40dac36fb","status":"affected","versionType":"git"},{"version":"86d7182985d25900929adce14fffd729cc8c6fb8","lessThan":"02115986d027ade793e7f6be87e91d6a796d0aa3","status":"affected","versionType":"git"},{"version":"86d7182985d25900929adce14fffd729cc8c6fb8","lessThan":"2bf2d65f76697820dbc4227d13866293576dd90a","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/target/target_core_sbc.c"],"versions":[{"version":"3.10","status":"affected"},{"version":"0","lessThan":"3.10","status":"unaffected","versionType":"semver"},{"version":"5.10.258","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.209","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.175","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.141","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.91","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.33","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.10","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.10.258"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"5.15.209"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.1.175"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.6.141"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.12.91"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"6.18.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"7.0.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.10","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/c08ab702c4699c6efb9d60bdb15b73e7a627ee7e"},{"url":"https://git.kernel.org/stable/c/2e1ed9a7b6ea5bfefb5d80a02b1c71c7dee1f0dd"},{"url":"https://git.kernel.org/stable/c/5efc3ef4758f8d98c257419fa21daca3227de61a"},{"url":"https://git.kernel.org/stable/c/d7aef29573c7c5cdb2dfad939253287a6329c2a4"},{"url":"https://git.kernel.org/stable/c/3facdecc3fcf115cc4f9b3d8f118d6705e2456a8"},{"url":"https://git.kernel.org/stable/c/51075df70c46e60a9773f2dcd28299e40dac36fb"},{"url":"https://git.kernel.org/stable/c/02115986d027ade793e7f6be87e91d6a796d0aa3"},{"url":"https://git.kernel.org/stable/c/2bf2d65f76697820dbc4227d13866293576dd90a"}],"title":"scsi: target: core: Fix integer overflow in UNMAP bounds check","x_generator":{"engine":"bippy-1.2.0"}}}}