{"schema":"threatline.record/2","record":{"id":"CVE-2026-97503","aliases":[],"summary":"genirq/proc: Size interrupt directory names for 10-digit interrupt numbers","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ngenirq/proc: Size interrupt directory names for 10-digit interrupt numbers\n\n/proc/irq/<n>/ directory names are built in `char name[10]` buffers\nwith `sprintf(name, \"%u\", irq)`.\n\nTen-digit IRQ numbers already need 11 bytes including the trailing NUL, and\ncurrent sparse-IRQ configurations allow interrupt numbers in that range.\n\nSize the temporary name buffer for the current decimal form and switch\nto bounded formatting when creating or removing the proc entry.","categories":["Operating systems"],"product":"Linux","vendor":"Linux","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-97503","source_modified_at":"2026-10-21T12:52:57.377Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"721255b9826bd11c7a38b585905fc2dd0fb94e52","lessThan":"a8adf64fe7fd5d7c476769a043ee56eda7b775ce","status":"affected","versionType":"git"},{"version":"721255b9826bd11c7a38b585905fc2dd0fb94e52","lessThan":"488bcd7fd3e9a2ad647b71b505a269fdb28753c4","status":"affected","versionType":"git"},{"version":"721255b9826bd11c7a38b585905fc2dd0fb94e52","lessThan":"d4b22fbae70037299e96539c330e4a1054b28a91","status":"affected","versionType":"git"},{"version":"721255b9826bd11c7a38b585905fc2dd0fb94e52","lessThan":"c2c7983c93f5d86962318be7e7298f1bc3feb1a6","status":"affected","versionType":"git"}],"defaultStatus":"unaffected"},{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-97503","source_modified_at":"2026-10-21T12:52:57.377Z","fetched_at":"2026-10-23T18:45:31.882637Z","product":"Linux","vendor":"Linux","versions":[{"version":"6.5","status":"affected"},{"version":"0","lessThan":"6.5","status":"unaffected","versionType":"semver"},{"version":"6.6.160","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.114","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.53","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}],"defaultStatus":"affected"}],"fixed_versions":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-97503","source_modified_at":"2026-10-21T12:52:57.377Z","fetched_at":"2026-10-23T18:45:31.882637Z","package":{"name":"Linux","ecosystem":null},"version":"488bcd7fd3e9a2ad647b71b505a269fdb28753c4","basis":"first unaffected version stated in the CVE record"}],"cvss":null,"severity":null,"kev":{"listed":false},"epss":{"probability":0.00156,"percentile":0.04415,"score_date":"2026-10-23"},"published_at":"2026-09-24T16:04:50.412Z","modified_at":"2026-10-21T12:52:57.377Z","provenance":[{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2026-97503","fetched_at":"2026-10-23T18:45:31.882637Z","source_modified_at":"2026-10-21T12:52:57.377Z"},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2026-97503","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CVE List","EPSS"],"references":[{"source":"CVE List","url":"https://git.kernel.org/stable/c/a8adf64fe7fd5d7c476769a043ee56eda7b775ce"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/488bcd7fd3e9a2ad647b71b505a269fdb28753c4"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/d4b22fbae70037299e96539c330e4a1054b28a91"},{"source":"CVE List","url":"https://git.kernel.org/stable/c/c2c7983c93f5d86962318be7e7298f1bc3feb1a6"}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"product","confidence":"heuristic","reviewed":false},"change_timestamp":"2026-10-21T12:52:57.377Z","content_hash":"c9433415d32b93c26a7d1288cb73411a459afb4bb054ee23874469318156bb12"}}