{"id":"AZL-90692","summary":"CVE-2026-53148 affecting package kernel for versions less than 6.6.143.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nthunderbolt: Clamp XDomain response data copy to allocation size\n\ntb_xdp_properties_request() derives the per-packet copy length from\nthe response header without checking that it fits in the previously\nallocated data buffer.  A malicious peer can set its length field\nlarger than the declared data_length, causing memcpy to write past\nthe kcalloc allocation.\n\nClamp the per-packet copy length so that the cumulative offset\nnever exceeds data_len.","modified":"2026-08-28T17:47:38.891233089Z","published":"2026-06-25T09:16:32Z","upstream":["CVE-2026-53148"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53148"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.143.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-90692.json"}}],"schema_version":"1.9.0"}