{"id":"CVE-2026-53021","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-53021","generatedAt":"2026-10-28T00:27:44.863Z","title":"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…","description":"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.","published":"2026-06-24T17:17:13.000Z","lastModified":"2026-07-15T14:12:03.000Z","status":"Analyzed","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","cvss":{"version":"3.1","score":5.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"},"cwe":["CWE-190"],"affected":["linux/linux kernel"],"epss":{"score":0.00123,"percentile":0.02006,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.12%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://git.kernel.org/stable/c/02115986d027ade793e7f6be87e91d6a796d0aa3","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2bf2d65f76697820dbc4227d13866293576dd90a","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/2e1ed9a7b6ea5bfefb5d80a02b1c71c7dee1f0dd","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3facdecc3fcf115cc4f9b3d8f118d6705e2456a8","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/51075df70c46e60a9773f2dcd28299e40dac36fb","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5efc3ef4758f8d98c257419fa21daca3227de61a","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c08ab702c4699c6efb9d60bdb15b73e7a627ee7e","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d7aef29573c7c5cdb2dfad939253287a6329c2a4","tags":["Patch"],"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-53021","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}