Threats Tagged 'cve-2026-64054'
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Threats Tagged 'cve-2026-64054'
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In the Linux kernel, the following vulnerability has been resolved: net: shaper: reject duplicate leaves in GROUP request net_shaper_nl_group_doit() does not deduplicate NET_SHAPER_A_LEAVES entries. When userspace supplies the same leaf handle twice, the same old-parent pointer lands twice in old_nodes[]. The cleanup loop double frees the parent. Of course the same parent may still be in old_nodes[] twice if we are moving multiple of its leaves. Note that this patch also implicitly fixes the fact that the i >= leaves_count path forgets to set ret. Join the discussion | GCVE Database | 07/20/2026, 00:00:00 UTC Added: 07/21/2026, 19:59:45 UTC |
A vulnerability in the Linux kernel's network shaper component was resolved. The issue involved the net_shaper_nl_group_doit() function not properly deduplicating leaf handles in GROUP requests, leading to double freeing of parent pointers during cleanup. This could cause memory corruption or instability. The patch also fixed a related logic flaw where a return value was not set in certain code paths. Join the discussion | GCVE Database | 07/19/2026, 18:31:50 UTC Added: 07/19/2026, 19:38:17 UTC |
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