{"id":"AZL-96369","summary":"CVE-2026-74474 affecting package kernel 6.6.150.1-1","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nvxlan: use pskb_network_may_pull() for transmit path header pulls\n\nIn vxlan_xmit(), arp_reduce(), and vxlan_mdb_entry_skb_get(), pskb_may_pull() was\nbeing called to verify the availability of network layer headers (ARP, IPv6/ND,\nIP/IPv6 MDB keys).\n\nHowever, during transmit skb-\u003edata points to the MAC header, so skb_network_offset(skb)\nis ETH_HLEN (14 bytes). Using pskb_may_pull(skb, len) only checks len bytes from skb-\u003edata\nrather than skb_network_offset(skb) + len, which can leave part of the network header\nin non-linear frags.\n\nReplace these remaining pskb_may_pull() calls with pskb_network_may_pull() to properly\naccount for the MAC header offset.","modified":"2026-08-31T05:26:27Z","published":"2026-08-15T13:17:52Z","upstream":["CVE-2026-74474"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74474"}],"affected":[{"package":{"name":"kernel","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/kernel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"6.6.150.1-1"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-96369.json"}}],"schema_version":"1.9.0"}