{"id":"CVE-2023-54092","revision":"fa16f707259942ff82ca7407e396ef2b","records":[{"revision":"fa16f707259942ff82ca7407e396ef2b","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-54092","aliases":[],"title":"KVM: s390: pv: fix index value of replaced ASCE","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nKVM: s390: pv: fix index value of replaced ASCE\n\nThe index field of the struct page corresponding to a guest ASCE should\nbe 0. When replacing the ASCE in s390_replace_asce(), the index of the\nnew ASCE should also be set to 0.\n\nHaving the wrong index might lead to the wrong addresses being passed\naround when notifying pte invalidations, and eventually to validity\nintercepts (VM crash) if the prefix gets unmapped and the notifier gets\ncalled with the wrong address.","state":0,"publishedAt":"2025-12-24T13:06:21.092+00:00","modifiedAt":"2026-10-15T21:41:39.384+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/s390/mm/gmap.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"9d216035d173214cd33712d67d89220ef2283ebf\",\n                            \"lessThan\": \"8e635da0e0d3cb45e32fa79b36218fb98281bc10\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"81ea65c9aefe100a9ace3082649bd84ae7dd9764\",\n                            \"lessThan\": \"49a2686adddebe1ae76b4d368383208656ef6606\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"faa2f72cb3569256480c5540d242c84e99965160\",\n                            \"lessThan\": \"017f686bcb536ff23d49c143fdf9d1fd89a9a924\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"faa2f72cb3569256480c5540d242c84e99965160\",\n                            \"lessThan\": \"f1c7a776338f2ac5e34da40e58fe9f33ea390a5e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"faa2f72cb3569256480c5540d242c84e99965160\",\n                            \"lessThan\": \"c2fceb59bbda16468bda82b002383bff59de89ab\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"b5477f53e1d4de6191f50748a027251b14952eeb\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"63c71e83d5b6ab8adb5fcebef977052048016957\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5.10.137\",\n                            \"lessThan\": \"5.10.190\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.61\",\n                            \"lessThan\": \"5.15.124\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.18.18\",\n                            \"lessThan\": \"5.19\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.19.2\",\n                            \"lessThan\": \"5.20\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\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/s390/mm/gmap.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.0\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.0\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.190\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.124\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.43\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.4.8\",\n                            \"lessThanOrEqual\": \"6.4.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.5\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","score":8.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/8e635da0e0d3cb45e32fa79b36218fb98281bc10","https://git.kernel.org/stable/c/49a2686adddebe1ae76b4d368383208656ef6606","https://git.kernel.org/stable/c/017f686bcb536ff23d49c143fdf9d1fd89a9a924","https://git.kernel.org/stable/c/f1c7a776338f2ac5e34da40e58fe9f33ea390a5e","https://git.kernel.org/stable/c/c2fceb59bbda16468bda82b002383bff59de89ab"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-54092","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-54092","identifiers":["CVE-2023-54092"]},"retained":false,"historicalAffected":[]}],"coverage":[]}