CVE-2026-80629
2026-08-28
08h16 +00:00
08h16 +00:00
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Mô tả CVE
In the Linux kernel, the following vulnerability has been resolved:
octeontx2-af: npc: Fix size of entry2cntr_map
KASAN prints below splat. This is caused by allocating counter for
reserved mcam entry for cpt 2nd pass entry. But mcam->entry2cntr_map
is not allocated for reserved entries.
BUG: KASAN: slab-out-of-bounds in npc_map_mcam_entry_and_cntr+0xb0/0x1a0
Write of size 2 at addr ffff0001033e7ffe by task kworker/0:1/14
CPU: 0 PID: 14 Comm: kworker/0:1 Not tainted 6.1.67 #1
Hardware name: Marvell CN106XX board (DT)
Workqueue: events work_for_cpu_fn
Call trace:
dump_backtrace.part.0+0xe4/0xf0
show_stack+0x18/0x30
dump_stack_lvl+0x88/0xb4
print_report+0x154/0x458
kasan_report+0xb8/0x194
__asan_store2+0x7c/0xa0
npc_map_mcam_entry_and_cntr+0xb0/0x1a0
rvu_mbox_handler_npc_mcam_write_entry+0x268/0x280
npc_install_flow+0x840/0xfe0
rvu_npc_install_cpt_pass2_entry+0x138/0x190
rvu_nix_init+0x148c/0x2880
rvu_probe+0x1800/0x30b0
local_pci_probe+0x78/0xe0
work_for_cpu_fn+0x30/0x50
process_one_work+0x4cc/0x97c
worker_thread+0x360/0x630
kthread+0x1a0/0x1b0
ret_from_fork+0x10/0x20
