Threats Tagged 'ubuntu-cve-2026-46331'
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Threats Tagged 'ubuntu-cve-2026-46331'
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Linux azure: In the Linux kernel, the following vulnerability has been resolved: net/sched: fix pedit partial COW leading to page cache corruption… (CVE-2026-46331)CVE-2026-46331 0 In the Linux kernel, the following vulnerability has been resolved: net/sched: fix pedit partial COW leading to page cache corruption tcf_pedit_act() computes the COW range for skb_ensure_writable() once before the key loop using tcfp_off_max_hint, but the hint does not account for the runtime header offset added by typed keys. This can leave part of the write region un-COW'd. Fix by moving skb_ensure_writable() inside the per-key loop where the actual write offset is known, and add overflow checking on the offset arithmetic. For negative offsets (e.g. Ethernet header edits at ingress), use skb_cow() to COW the headroom instead. Guard offset_valid() against INT_MIN, where negation is undefined. Join the discussion | GCVE Database | 06/16/2026, 08:16:00 UTC Added: 07/17/2026, 10:18:44 UTC |
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