Threats Tagged 'ghsa-4prh-wfp5-28j7'
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Threats Tagged 'ghsa-4prh-wfp5-28j7'
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A vulnerability in the Linux kernel's IPv6 networking code related to handling MAC header space in dst_dev_overhead() has been resolved. The issue occurs when the MAC header length exceeds the reserved space, such as with VLAN devices with reorder_hdr off, causing a negative offset and out-of-bounds memory write during skb_mac_header_rebuild(). This affects seg6, ioam6, and rpl lightweight tunnels. The fix ensures the function returns the larger of the two header size values to prevent memory corruption. Join the discussion | GCVE Database | 10/18/2026, 18:31:54 UTC Added: 10/18/2026, 19:40:31 UTC |
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