{"id":"CVE-2026-98648","title":"s390/uv: Prevent potential out-of-bounds read","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/uv: Prevent potential out-of-bounds read\n\nWhen the system has more than 85 secrets, the uv_secret_list struct\narray only holds up to 85 items per page, resulting i…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d < 04bb5b2eb9f1d56110f14d3a4e31fa2c65fb026f","Linux >= 7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d < 116bba758533a139bbede8d717a1371bd6d890f6","Linux >= 7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d < f47190b08b71e8482072978373ee88cb2dfbdaf4","Linux 6.13"],"published":"2026-10-18","updated":"2026-10-18","sourceUpdated":"2026-10-18T15:20:20.496Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98648","references":[{"url":"https://git.kernel.org/stable/c/04bb5b2eb9f1d56110f14d3a4e31fa2c65fb026f"},{"url":"https://git.kernel.org/stable/c/116bba758533a139bbede8d717a1371bd6d890f6"},{"url":"https://git.kernel.org/stable/c/f47190b08b71e8482072978373ee88cb2dfbdaf4"}],"tags":["cve.org"],"ingestedAt":"2026-10-18T15:45:12.228Z","slug":"CVE-2026-98648","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ns390/uv: Prevent potential out-of-bounds read\n\nWhen the system has more than 85 secrets, the uv_secret_list struct\narray only holds up to 85 items per page, resulting in an out of bounds\nread in find_secret_in_page if the targeted secret is in the next page\nor not stored at all.\n\nFix this by looping over the number of stored secrets which is the\nper sub-list count of stored secrets and not the overall count.\n\n## Affected\n\n- `Linux >= 7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d < 04bb5b2eb9f1d56110f14d3a4e31fa2c65fb026f`\n- `Linux >= 7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d < 116bba758533a139bbede8d717a1371bd6d890f6`\n- `Linux >= 7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d < f47190b08b71e8482072978373ee88cb2dfbdaf4`\n- `Linux 6.13`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}