{"id":"AZL-103835","summary":"CVE-2026-97423 affecting package kernel 6.6.157.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ncxl/region: Validate partition index before array access\n\nconstruct_region() reads cxled-\u003epart and uses it to index\ncxlds-\u003epart[] without checking for a negative value. If the\npartition was never resolved, part remains at its initial value\nof -1, causing an out-of-bounds array access.\n\nAdd a guard to return -EBUSY when part is negative.\n\nThe check was dropped during a merge.","modified":"2026-09-25T14:15:56.181920987Z","published":"2026-09-24T17:17:20Z","upstream":["CVE-2026-97423"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-97423"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"6.6.157.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-103835.json"}}],"schema_version":"1.9.0"}