CVE-2026-74474Critical· 9.8▾ MidnightIn the Linux kernel, the following vulnerability has been resolved: vxlan: use pskb_network_may_pull() for transmit path header pulls In vxlan_xmit(), arp_reduce(), and vxlan_mdb_entry_skb_get(), pskb_may_pull() was being called to ver…
▾ Midnight zone — Critical, or high with PoC / in-the-wild
impact 53.9 · likelihood 0.1 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 14.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.5%
0.5% → 0.5%
In the Linux kernel, the following vulnerability has been resolved:
vxlan: use pskb_network_may_pull() for transmit path header pulls
In vxlan_xmit(), arp_reduce(), and vxlan_mdb_entry_skb_get(), pskb_may_pull() was being called to verify the availability of network layer headers (ARP, IPv6/ND, IP/IPv6 MDB keys).
However, during transmit skb->data points to the MAC header, so skb_network_offset(skb) is ETH_HLEN (14 bytes). Using pskb_may_pull(skb, len) only checks len bytes from skb->data rather than skb_network_offset(skb) + len, which can leave part of the network header in non-linear frags.
Replace these remaining pskb_may_pull() calls with pskb_network_may_pull() to properly account for the MAC header offset.
Linux >= e4f67addf158f98f8197e08974966b18480dc751 < 371425d4be7795e9158388af9eee0201e6047410Linux >= e4f67addf158f98f8197e08974966b18480dc751 < bb01c51950c3ff3c76acdd54b85ab38ccc2a8bb4Linux >= e4f67addf158f98f8197e08974966b18480dc751 < 6146901881f09ef063eb34ad389f63231f8486f5Linux >= e4f67addf158f98f8197e08974966b18480dc751 < 94dee751aad627b3645d424b5d0c736d394573e9Linux >= e4f67addf158f98f8197e08974966b18480dc751 < 7076a34b6e33315dc160b4612bfea1c597495585Linux >= e4f67addf158f98f8197e08974966b18480dc751 < b9553558b48db54ac9273e6b98d7263ef5c1a329Linux 3.8Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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