{"id":"CVE-2024-56550","summary":"s390/stacktrace: Use break instead of return statement","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/stacktrace: Use break instead of return statement\n\narch_stack_walk_user_common() contains a return statement instead of a\nbreak statement in case store_ip() fails while trying to store a callchain\nentry of a user space process.\nThis may lead to a missing pagefault_enable() call.\n\nIf this happens any subsequent page fault of the process won't be resolved\nby the page fault handler and this in turn will lead to the process being\nkilled.\n\nUse a break instead of a return statement to fix this.","modified":"2026-04-02T12:24:38.690541Z","published":"2024-12-27T14:22:52.403Z","related":["USN-7379-2","USN-7380-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56550.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/20c26357826457dc7c8145297e60ddc012e18914"},{"type":"WEB","url":"https://git.kernel.org/stable/c/588a9836a4ef7ec3bfcffda526dfa399637e6cfc"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/56xxx/CVE-2024-56550.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2024-56550"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"ebd912ff9919a10609511383d94942362234c077"},{"fixed":"20c26357826457dc7c8145297e60ddc012e18914"},{"fixed":"588a9836a4ef7ec3bfcffda526dfa399637e6cfc"}]},{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"0"},{"last_affected":"dd69165ac3dc12d8550aeec3fc4439c084ded3d8"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-56550.json"}}],"schema_version":"1.7.5"}