{"id":"CVE-2023-53259","summary":"VMCI: check context-\u003enotify_page after call to get_user_pages_fast() to avoid GPF","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nVMCI: check context-\u003enotify_page after call to get_user_pages_fast() to avoid GPF\n\nThe call to get_user_pages_fast() in vmci_host_setup_notify() can return\nNULL context-\u003enotify_page causing a GPF. To avoid GPF check if\ncontext-\u003enotify_page == NULL and return error if so.\n\ngeneral protection fault, probably for non-canonical address\n    0xe0009d1000000060: 0000 [#1] PREEMPT SMP KASAN NOPTI\nKASAN: maybe wild-memory-access in range [0x0005088000000300-\n    0x0005088000000307]\nCPU: 2 PID: 26180 Comm: repro_34802241 Not tainted 6.1.0-rc4 #1\nHardware name: Red Hat KVM, BIOS 1.15.0-2.module+el8.6.0 04/01/2014\nRIP: 0010:vmci_ctx_check_signal_notify+0x91/0xe0\nCall Trace:\n \u003cTASK\u003e\n vmci_host_unlocked_ioctl+0x362/0x1f40\n __x64_sys_ioctl+0x1a1/0x230\n do_syscall_64+0x3a/0x90\n entry_SYSCALL_64_after_hwframe+0x63/0xcd","modified":"2026-04-02T09:43:53.123497Z","published":"2025-09-15T14:46:30.955Z","related":["SUSE-SU-2025:03615-1","SUSE-SU-2025:03628-1","SUSE-SU-2025:3716-1","SUSE-SU-2025:3761-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53259.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/055891397f530f9b1b22be38d7eca8b08382941f"},{"type":"WEB","url":"https://git.kernel.org/stable/c/1a726cb47fd204109c767409fa9ca15a96328f14"},{"type":"WEB","url":"https://git.kernel.org/stable/c/91b8e4f61f8f4594ee65368c8d89e6fdc29d3fb1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a3c89e8c69a58f62451c0a75b77fcab25979b897"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b4239bfb260d1e6837766c41a0b241d7670f1402"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d4198f67e7556b1507f14f60d81a72660e5560e4"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53259.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-53259"},{"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":"a1d88436d53a75e950db15834b3d2f8c0c358fdc"},{"fixed":"b4239bfb260d1e6837766c41a0b241d7670f1402"},{"fixed":"d4198f67e7556b1507f14f60d81a72660e5560e4"},{"fixed":"a3c89e8c69a58f62451c0a75b77fcab25979b897"},{"fixed":"055891397f530f9b1b22be38d7eca8b08382941f"},{"fixed":"91b8e4f61f8f4594ee65368c8d89e6fdc29d3fb1"},{"fixed":"1a726cb47fd204109c767409fa9ca15a96328f14"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53259.json"}}],"schema_version":"1.7.5"}