CVE-2024-40963
Description
In the Linux kernel, the following vulnerability has been resolved: mips: bmips: BCM6358: make sure CBR is correctly set It was discovered that some device have CBR address set to 0 causing kernel panic when arch_sync_dma_for_cpu_all is called. This was notice in situation where the system is booted from TP1 and BMIPS_GET_CBR() returns 0 instead of a valid address and !!(read_c0_brcm_cmt_local() & (1 << 31)); not failing. The current check whether RAC flush should be disabled or not are not enough hence lets check if CBR is a valid address or not.
How to fix
- linux linux_kernel5.4.279, 5.10.221, 5.15.162, 6.1.96, 6.3, 6.6.36, 6.9.7 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | 5.4.240 ≤ v < 5.4.279, 5.10.177 ≤ v < 5.10.221, 5.15.106 ≤ v < 5.15.162, 6.1.23 ≤ v < 6.1.96, 6.2.10 ≤ v < 6.3, 6.3.1 ≤ v < 6.6.36, 6.7 ≤ v < 6.9.7, 6.3, 6.10 | 5.4.279, 5.10.221, 5.15.162, 6.1.96, 6.3, 6.6.36, 6.9.7 |
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