Threats Tagged 'ubuntu-cve-2026-46322'
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Threats Tagged 'ubuntu-cve-2026-46322'
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Linux hwe edge: In the Linux kernel, the following vulnerability has been resolved: tun: free page on build_skb failure in tun_xdp_one() When build_skb() fails in…CVE-2026-46322 0 In the Linux kernel, the following vulnerability has been resolved: tun: free page on build_skb failure in tun_xdp_one() When build_skb() fails in tun_xdp_one(), the function sets ret to -ENOMEM and jumps to the out label, which returns without freeing the page that vhost_net_build_xdp() allocated for the frame. As with the short-frame rejection path, tun_sendmsg() discards the per-buffer error and still returns total_len, so vhost_tx_batch() takes the success path and never frees the page. Each build_skb() failure in a batch leaks one page-frag chunk. Free the page before taking the error path, matching the put_page() the other error exits of tun_xdp_one() already perform. Join the discussion | GCVE Database | 06/09/2026, 13:16:00 UTC Added: 07/17/2026, 10:18:45 UTC |
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