{"api_version":"1","generated_at":"2026-05-13T05:40:29+00:00","cve":"CVE-2026-43123","urls":{"html":"https://cve.report/CVE-2026-43123","api":"https://cve.report/api/cve/CVE-2026-43123.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-43123","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-43123"},"summary":{"title":"fbcon: check return value of con2fb_acquire_newinfo()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfbcon: check return value of con2fb_acquire_newinfo()\n\nIf fbcon_open() fails when called from con2fb_acquire_newinfo() then\ninfo->fbcon_par pointer remains NULL which is later dereferenced.\n\nAdd check for return value of the function con2fb_acquire_newinfo() to\navoid it.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-05-06 12:16:29","updated_at":"2026-05-12 21:17:55"},"problem_types":["CWE-476"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.5","severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}}],"references":[{"url":"https://git.kernel.org/stable/c/011a0502801c8536f64141a2b61362c14f456544","name":"https://git.kernel.org/stable/c/011a0502801c8536f64141a2b61362c14f456544","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f57b61624c86ef8f87f6e6b7dd0755de03d90e89","name":"https://git.kernel.org/stable/c/f57b61624c86ef8f87f6e6b7dd0755de03d90e89","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a785c4e2a999c2d51dfcf40d317cfb30cc735d2c","name":"https://git.kernel.org/stable/c/a785c4e2a999c2d51dfcf40d317cfb30cc735d2c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0b038c0be6827dd2dbb1ce4f8d92d97c80cbe9cc","name":"https://git.kernel.org/stable/c/0b038c0be6827dd2dbb1ce4f8d92d97c80cbe9cc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d3e535533767c85788529e626478718b7e95a59f","name":"https://git.kernel.org/stable/c/d3e535533767c85788529e626478718b7e95a59f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/3b5a754ec86bc6064af9aca76eb191c2405e6b0c","name":"https://git.kernel.org/stable/c/3b5a754ec86bc6064af9aca76eb191c2405e6b0c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/11a93180a70bb3095a9bd80d113d9277e30d9959","name":"https://git.kernel.org/stable/c/11a93180a70bb3095a9bd80d113d9277e30d9959","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-43123","name":"CVE 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the Linux kernel, the following vulnerability has been resolved:\n\nfbcon: check return value of con2fb_acquire_newinfo()\n\nIf fbcon_open() fails when called from con2fb_acquire_newinfo() then\ninfo->fbcon_par pointer remains NULL which is later dereferenced.\n\nAdd check for return value of the function con2fb_acquire_newinfo() to\navoid it.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE."}],"providerMetadata":{"dateUpdated":"2026-05-11T22:18:12.071Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/d3e535533767c85788529e626478718b7e95a59f"},{"url":"https://git.kernel.org/stable/c/3b5a754ec86bc6064af9aca76eb191c2405e6b0c"},{"url":"https://git.kernel.org/stable/c/a785c4e2a999c2d51dfcf40d317cfb30cc735d2c"},{"url":"https://git.kernel.org/stable/c/0b038c0be6827dd2dbb1ce4f8d92d97c80cbe9cc"},{"url":"https://git.kernel.org/stable/c/11a93180a70bb3095a9bd80d113d9277e30d9959"},{"url":"https://git.kernel.org/stable/c/f57b61624c86ef8f87f6e6b7dd0755de03d90e89"},{"url":"https://git.kernel.org/stable/c/011a0502801c8536f64141a2b61362c14f456544"}],"title":"fbcon: check return value of con2fb_acquire_newinfo()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-43123","datePublished":"2026-05-06T11:27:09.553Z","dateReserved":"2026-05-01T14:12:55.987Z","dateUpdated":"2026-05-11T22:18:12.071Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-05-06 12:16:29","lastModifiedDate":"2026-05-12 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check return value of con2fb_acquire_newinfo()","CVE":"CVE-2026-43123","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"43123","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nfbcon: check return value of con2fb_acquire_newinfo()\n\nIf fbcon_open() fails when called from con2fb_acquire_newinfo() then\ninfo->fbcon_par pointer remains NULL which is later dereferenced.\n\nAdd check for return value of the function con2fb_acquire_newinfo() to\navoid it.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.","Type":"Description","Title":"fbcon: check return value of con2fb_acquire_newinfo()"}]}}}