{"cve":"CVE-2024-56550","nvd":{"published":"2024-12-27T15:15:13.737","modified":"2026-06-17T08:12:22.130","status":"Analyzed","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":[],"references":["https://git.kernel.org/stable/c/20c26357826457dc7c8145297e60ddc012e18914","https://git.kernel.org/stable/c/588a9836a4ef7ec3bfcffda526dfa399637e6cfc"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:57:56.913276502+00:00"},"epss":{"cve":"CVE-2024-56550","score":0.00192,"percentile":0.08863,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}