In the Linux kernel, the following vulnerability has been resolved:
net: hibmcge: fix the division by zero issue
When the network port is down, the queue is released, and ring->len is 0. In debugfs, hbg_get_queue_used_num() will be called, which may lead to a division by zero issue.
This patch adds a check, if ring->len is 0, hbg_get_queue_used_num() directly returns 0.
CVSS Details
- CVSS 3.1 Base Score: 5.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H)
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