{"id":"AZL-106197","summary":"CVE-2026-98218 affecting package kernel 6.6.157.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: atr: fix dangling adapter pointer on add failure\n\ni2c_atr_add_adapter() stores atr-\u003eadapter[chan_id] before\ni2c_add_adapter() so that the I2C bus notifier can match child clients\nduring registration. On failure the channel is freed but the slot was\nleft pointing at freed memory, which can lead to use-after-free in\ni2c_atr_del_adapter() / cleanup and also block reuse with -EEXIST.\n\nClear the slot on the i2c_add_adapter() error path before freeing chan.","modified":"2026-10-07T14:16:59.027260292Z","published":"2026-10-06T09:18:08Z","upstream":["CVE-2026-98218"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98218"}],"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-106197.json"}}],"schema_version":"1.9.0"}