{"id":"CVE-2026-90304","revision":"f7663accde4349329bcd05ddaee494bb","records":[{"revision":"f7663accde4349329bcd05ddaee494bb","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-90304","aliases":[],"title":"ARM: 9484/1: enable interrupts when unhandled user faults are triggered","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nARM: 9484/1: enable interrupts when unhandled user faults are triggered\n\nPREEMPT_RT requires interrupts to be enabled when sending signals.\n\nWhen do_DataAbort()/do_PrefetchAbort() triggers unhandled user faults,\nthat is `inf->fn()` return a non-zero value, and the interrupts are not\nenabled within the hook function, force_sig_fault() will be called\nwith interrupts disabled.\n\nThis can be triggered by user programs executing the bkpt instruction,\nwith kernel config CONFIG_PERF_EVENTS=n.\n\nEnable interrupts in do_DataAbort()/do_PrefetchAbort() when unhandled\nuser faults are triggered to fix the issue.","state":0,"publishedAt":"2026-09-17T16:08:27.095+00:00","modifiedAt":"2026-10-19T09:01:22.158+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                        \"arch/arm/mm/fault.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"c6e61c06d6061750597e79c598acb5dead44c35b\",\n                            \"lessThan\": \"8d7cbc6df9632d334b21c4be66ccdde76a08fb13\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c6e61c06d6061750597e79c598acb5dead44c35b\",\n                            \"lessThan\": \"e79ca91165d4fd18549c536abdb86101e889052f\",\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                        \"arch/arm/mm/fault.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"7.1\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"7.1\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.6\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/8d7cbc6df9632d334b21c4be66ccdde76a08fb13","https://git.kernel.org/stable/c/e79ca91165d4fd18549c536abdb86101e889052f"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-90304","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-90304","identifiers":["CVE-2026-90304"]},"retained":false,"historicalAffected":[]}],"coverage":[]}