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Assigner | Linux |
Reserved | 2024-10-21 |
Published | 2024-10-21 |
Updated | 2024-10-22 |
In the Linux kernel, the following vulnerability has been resolved: net: stmmac: Fix zero-division error when disabling tc cbs The commit b8c43360f6e4 ("net: stmmac: No need to calculate speed divider when offload is disabled") allows the "port_transmit_rate_kbps" to be set to a value of 0, which is then passed to the "div_s64" function when tc-cbs is disabled. This leads to a zero-division error. When tc-cbs is disabled, the idleslope, sendslope, and credit values the credit values are not required to be configured. Therefore, adding a return statement after setting the txQ mode to DCB when tc-cbs is disabled would prevent a zero-division error.
https://git.kernel.org/stable/c/e33fe25b1efe4f2e6a5858786dbc82ae4c44ed4c
https://git.kernel.org/stable/c/b0da9504a528f05f97d926b4db74ff21917a33e9
https://git.kernel.org/stable/c/5d43e1ad4567d67af2b42d3ab7c14152ffed25c6
https://git.kernel.org/stable/c/03582f4752427f60817d896f1a827aff772bd31e
https://git.kernel.org/stable/c/e297a2bf56d12fd7f91a0c209eb6ea84361f3368
https://git.kernel.org/stable/c/837d9df9c0792902710149d1a5e0991520af0f93
https://git.kernel.org/stable/c/675faf5a14c14a2be0b870db30a70764df81e2df