{"id":"CVE-2026-98593","published":"2026-10-18T16:17:11.933","lastModified":"2026-10-19T10:19:20.473","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/debug: Fix NULL pointer dereference in debug_info_copy()\n\nWhen debug_register_static() fails, it clears areas, active_pages and\nactive_entries but leaves the area bounds unchanged. Copying such an\narea, either by opening its view file or via debug_dump(), makes\ndebug_info_copy() dereference the NULL pointers.\n\nSkip the copy loop when the source has no areas.","cvssScore":null,"cvssSeverity":null,"cvssVector":null,"cwes":[],"vendors":[],"products":[],"references":[{"url":"https://git.kernel.org/stable/c/012bfcd5a51082d5a65f096dfb9ca652b5267965","tags":[]},{"url":"https://git.kernel.org/stable/c/13decd3b3b3a4d8a2e603fb8c9ffde0c6be3c225","tags":[]},{"url":"https://git.kernel.org/stable/c/2de9c458cc49d8db6408a7c5fbf0c7c94fe4d52b","tags":[]},{"url":"https://git.kernel.org/stable/c/33f706884821da9cb55b650b7b1d4f2bdf800137","tags":[]},{"url":"https://git.kernel.org/stable/c/9c6af88fbefbe77608b77409df23a1617e28398c","tags":[]},{"url":"https://git.kernel.org/stable/c/a19bede30f0da5ae56782edac62b5998a7434cba","tags":[]},{"url":"https://git.kernel.org/stable/c/c593f38e1cdb92f87d01be4c4e5ac12417b1454b","tags":[]}],"exploitRefs":[],"hasPoc":false,"ai":null}