{"id":"CVE-2023-54092","revision":null,"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":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EPSS backfill.","generation":"2026-11-09T13:04:36.1502744+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-09T13:04:36.1502744+00:00","lastSuccessAt":"2026-11-09T13:04:36.3096956+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:04:36.3096959+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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