{"id":"AZL-108110","summary":"CVE-2026-98422 affecting package kernel 6.6.157.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mac80211: reset the AP_VLAN tailroom counter on ifdown\n\nOn ifup, AP_VLAN interfaces get crypto_tx_tailroom_needed_cnt from\nthe AP interface, but it's never decremented again unless the AP is\nalso brought down. Thus, bringing the same AP_VLAN up again will\nincrement the counter again and eventually hit the sanity check:\n\n  WARN_ON_ONCE(sdata-\u003ecrypto_tx_tailroom_needed_cnt !=\n               master-\u003ecrypto_tx_tailroom_needed_cnt);\n\nReset it on ifdown to avoid that.","modified":"2026-10-15T14:17:17.030797132Z","published":"2026-10-14T14:17:53Z","upstream":["CVE-2026-98422"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98422"}],"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-108110.json"}}],"schema_version":"1.9.0"}