{"id":"CVE-2026-98648","state":"PUBLISHED","title":"s390/uv: Prevent potential out-of-bounds read","description":"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 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.","publishedAt":"2026-10-18T15:20:20.496Z","updatedAt":"2026-10-19T09:23:17.853Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d","status":"affected","lessThan":"04bb5b2eb9f1d56110f14d3a4e31fa2c65fb026f","versionType":"git"},{"version":"7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d","status":"affected","lessThan":"116bba758533a139bbede8d717a1371bd6d890f6","versionType":"git"},{"version":"7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d","status":"affected","lessThan":"f47190b08b71e8482072978373ee88cb2dfbdaf4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/s390/kernel/uv.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.18.55","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.9","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/s390/kernel/uv.c"]}],"references":["https://git.kernel.org/stable/c/04bb5b2eb9f1d56110f14d3a4e31fa2c65fb026f","https://git.kernel.org/stable/c/116bba758533a139bbede8d717a1371bd6d890f6","https://git.kernel.org/stable/c/f47190b08b71e8482072978373ee88cb2dfbdaf4"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98648.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98648","state":"PUBLISHED","datePublished":"2026-10-18T15:20:20.496Z","dateUpdated":"2026-10-19T09:23:17.853Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.362Z"},"containers":{"cna":{"title":"s390/uv: Prevent potential out-of-bounds read","descriptions":[{"lang":"en","value":"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 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."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d","status":"affected","lessThan":"04bb5b2eb9f1d56110f14d3a4e31fa2c65fb026f","versionType":"git"},{"version":"7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d","status":"affected","lessThan":"116bba758533a139bbede8d717a1371bd6d890f6","versionType":"git"},{"version":"7c9137af2042e0d67aae0ccd84afc8ffc4b0d95d","status":"affected","lessThan":"f47190b08b71e8482072978373ee88cb2dfbdaf4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/s390/kernel/uv.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.13","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.13","versionType":"semver"},{"version":"6.18.55","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.9","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/s390/kernel/uv.c"]}],"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"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-19T09:23:17.853Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"7.2.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}