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        ],
        "title": "kernel: ice: fix double-free of tx_buf skb",
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            "lang": "en",
            "value": "To mitigate this issue, prevent module ice from being loaded. Please see https://access.redhat.com/solutions/41278 for how to blacklist a kernel module to prevent it from loading automatically."
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              "value": "AV:L - The vulnerable code is in the ice driver\u0027s local transmit path reached through socket/netdev transmission, not by parsing received network packets directly. A remote peer may induce ordinary replies, but the malformed/offload-error SKB state needed for this bug is locally generated.\nAC:L - There is no race; once an attacker can create an SKB that makes ice_tso() or ice_tx_csum() fail, the stale tx_buf state is deterministic. In a controlled netdev namespace or delegated ice/SF deployment, the attacker can also quiesce/bring down the interface before the next packet overwrites the slot.\nPR:L - The strongest reasonable path requires local ability to generate crafted/offloaded transmit SKBs and control the affected netdev lifecycle, which can be namespace-level CAP_NET_ADMIN over a delegated ice netdev rather than host init-namespace root. It is therefore more than unauthenticated remote access but not necessarily high host administrator privilege.\nUI:N - No victim user action is required in the attacker-controlled local scenario; the attacker can send the triggering packet and then cause cleanup. The bug is completed by driver cleanup, not by a separate user opening or mounting content.\nS:U - The corruption occurs within the host kernel/driver memory management context and affects the same security authority. This is not a KVM guest-to-host, IOMMU, or separate-scope boundary bypass.\nC:H - This is a double-free of an skb pointer retained in the TX ring, a heap memory corruption condition equivalent to a use-after-free primitive. Such corruption can plausibly be shaped into kernel memory disclosure.\nI:H - A double-free of a kernel heap object can corrupt allocator metadata or a reallocated object and can plausibly be leveraged for arbitrary write or control-flow impact. Under the required conservative scoring rule, this warrants high integrity impact.\nA:H - Even without full exploitation, the second dev_kfree_skb_any() on an already freed skb can trigger allocator/KASAN/slab corruption detection or a kernel crash. Repeated triggering can therefore cause high availability impact."
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    "dateReserved": "2026-06-09T07:44:35.378Z",
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