{"id":"CVE-2026-97503","revision":"cf631ce7de1f496aa64d2bcc07b1bef7","records":[{"revision":"cf631ce7de1f496aa64d2bcc07b1bef7","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-97503","aliases":[],"title":"genirq/proc: Size interrupt directory names for 10-digit interrupt numbers","description":"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.","state":0,"publishedAt":"2026-09-24T16:04:50.412+00:00","modifiedAt":"2026-10-21T12:52:57.377+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"kernel/irq/proc.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"721255b9826bd11c7a38b585905fc2dd0fb94e52\",\n                            \"lessThan\": \"a8adf64fe7fd5d7c476769a043ee56eda7b775ce\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"721255b9826bd11c7a38b585905fc2dd0fb94e52\",\n                            \"lessThan\": \"488bcd7fd3e9a2ad647b71b505a269fdb28753c4\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"721255b9826bd11c7a38b585905fc2dd0fb94e52\",\n                            \"lessThan\": \"d4b22fbae70037299e96539c330e4a1054b28a91\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"721255b9826bd11c7a38b585905fc2dd0fb94e52\",\n                            \"lessThan\": \"c2c7983c93f5d86962318be7e7298f1bc3feb1a6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"kernel/irq/proc.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.5\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.5\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.160\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.114\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.53\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/a8adf64fe7fd5d7c476769a043ee56eda7b775ce","https://git.kernel.org/stable/c/488bcd7fd3e9a2ad647b71b505a269fdb28753c4","https://git.kernel.org/stable/c/d4b22fbae70037299e96539c330e4a1054b28a91","https://git.kernel.org/stable/c/c2c7983c93f5d86962318be7e7298f1bc3feb1a6"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-97503","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-97503","identifiers":["CVE-2026-97503"]},"retained":false,"historicalAffected":[]}],"coverage":[]}