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NVD description
In the Linux kernel, the following vulnerability has been resolved: vxlan: re-fetch eth header after route_shortcircuit() Before route_shortcircuit(), the eth header pointer is cached from eth_hdr(skb). Inside route_shortcircuit(), pskb_may_pull() can be called, which may reallocate skb->head. In this case, returning to vxlan_xmit() leaves the cached eth pointer pointing to freed memory, leading to a use-after-free when dereferencing eth->h_dest. Fix this by updating eth = eth_hdr(skb) after calling route_shortcircuit().
Priority
LOW
Exploitation
NONE
PoC
NONE
Patch
NONE
Momentum
NONE
The severity is increased for this new vulnerability affecting Linux Kernel (CVE-2026-80681) https://vuldb.com/vuln/396619
Post summary
The text notes that the severity of CVE-2026-80681 (a Linux Kernel vulnerability) has increased, referencing a vulnerability record, but offers no technical or exploit details.