CVE-2024-56659
CVSS 3.1 Score 5.5 of 10 (medium)
Details
Published Dec 27, 2024
Updated: Jan 6, 2025
Summary
CVE-2024-56659 is a vulnerability affecting the net/lapb code in the Linux kernel. The issue arises due to an increase in LAPB_HEADER_LEN, which may not be compatible with 8021q. This can lead to crashes, as demonstrated by a kernel panic error. The error message provides the stack trace for the panic, including the device name (nr0.2) and the involved functions (skb_panic, skb_under_panic, dev_hard_header, vlan_dev_hard_header, and lapbeth_data_transmit). The vulnerability can potentially be exploited to cause system crashes.
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