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CVE-2024-57901 is a vulnerability in the Linux kernel's af_packet implementation, specifically in the vlan_get_protocol_dgram() function. The function failed to properly handle the MSG_PEEK case, which could result in a crash due to improper access to the sk_buff (skb) structure. This was triggered by syzbot and resulted in a kernel panic (skb_under_panic) when the function accessed memory incorrectly. The issue was resolved by refactoring vlan_get_protocol_dgram() to avoid modifying skb and making the skb argument const, ensuring thread safety and preventing concurrent access issues.
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Cross-references every affected SKU, including bundled OEM variants.
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