{"id":"CVE-2026-74279","title":"crypto: cavium/cpt - fix DMA cleanup using wrong loop index","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: cavium/cpt - fix DMA cleanup using wrong loop index\n\nThe sg_cleanup error path used list[i] instead of list[j] when unmapping\nDMA buffers, leaking successfully …","severity":"critical","cvss":10,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","cvssSource":"cna","vendor":"Linux","product":"Linux","affected":["Linux >= c694b233295b99c33dd5ac28aede9f171f5a6862 < 23c6174e48f66fc10b998b0acdb406cb0caf5c80","Linux >= c694b233295b99c33dd5ac28aede9f171f5a6862 < 23d3a7e896a1fe2d7a6bcb42f093948b79f8a198","Linux >= c694b233295b99c33dd5ac28aede9f171f5a6862 < 28141f95ae93b18f9bfde953cb787fcb151fb9da","Linux >= c694b233295b99c33dd5ac28aede9f171f5a6862 < 8afd1007ef79898a6e010eaade97097e49405fce","Linux >= c694b233295b99c33dd5ac28aede9f171f5a6862 < 3b8a1e1f4e4071a62b20374028744e8cc8310d48","Linux >= c694b233295b99c33dd5ac28aede9f171f5a6862 < fb4d57b83356d4bd411b45ede3024e0ff42c9b5e","Linux >= c694b233295b99c33dd5ac28aede9f171f5a6862 < d319b83b97b3585550d9ae592dfa78c755b6129e","Linux >= c694b233295b99c33dd5ac28aede9f171f5a6862 < 9dbf173bd32d5f81b005008b682bfb50aa093455","Linux 4.11"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-10-16T18:51:59.460893Z"},"published":"2026-08-15","updated":"2026-10-16","sourceUpdated":"2026-10-16T18:55:29.607Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74279","references":[{"url":"https://git.kernel.org/stable/c/23c6174e48f66fc10b998b0acdb406cb0caf5c80"},{"url":"https://git.kernel.org/stable/c/23d3a7e896a1fe2d7a6bcb42f093948b79f8a198"},{"url":"https://git.kernel.org/stable/c/28141f95ae93b18f9bfde953cb787fcb151fb9da"},{"url":"https://git.kernel.org/stable/c/8afd1007ef79898a6e010eaade97097e49405fce"},{"url":"https://git.kernel.org/stable/c/3b8a1e1f4e4071a62b20374028744e8cc8310d48"},{"url":"https://git.kernel.org/stable/c/fb4d57b83356d4bd411b45ede3024e0ff42c9b5e"},{"url":"https://git.kernel.org/stable/c/d319b83b97b3585550d9ae592dfa78c755b6129e"},{"url":"https://git.kernel.org/stable/c/9dbf173bd32d5f81b005008b682bfb50aa093455"}],"tags":["cve.org"],"epss":0.00755,"epssPercentile":0.5421,"ingestedAt":"2026-10-16T19:46:24.386Z","slug":"CVE-2026-74279","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: cavium/cpt - fix DMA cleanup using wrong loop index\n\nThe sg_cleanup error path used list[i] instead of list[j] when unmapping\nDMA buffers, leaking successfully mapped entries and repeatedly unmapping\nthe failed one.\n\n## Affected\n\n- `Linux >= c694b233295b99c33dd5ac28aede9f171f5a6862 < 23c6174e48f66fc10b998b0acdb406cb0caf5c80`\n- `Linux >= c694b233295b99c33dd5ac28aede9f171f5a6862 < 23d3a7e896a1fe2d7a6bcb42f093948b79f8a198`\n- `Linux >= c694b233295b99c33dd5ac28aede9f171f5a6862 < 28141f95ae93b18f9bfde953cb787fcb151fb9da`\n- `Linux >= c694b233295b99c33dd5ac28aede9f171f5a6862 < 8afd1007ef79898a6e010eaade97097e49405fce`\n- `Linux >= c694b233295b99c33dd5ac28aede9f171f5a6862 < 3b8a1e1f4e4071a62b20374028744e8cc8310d48`\n- `Linux >= c694b233295b99c33dd5ac28aede9f171f5a6862 < fb4d57b83356d4bd411b45ede3024e0ff42c9b5e`\n- `Linux >= c694b233295b99c33dd5ac28aede9f171f5a6862 < d319b83b97b3585550d9ae592dfa78c755b6129e`\n- `Linux >= c694b233295b99c33dd5ac28aede9f171f5a6862 < 9dbf173bd32d5f81b005008b682bfb50aa093455`\n- `Linux 4.11`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":55,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}