CVE-2024-40963
Last modified
CVE-2024-40963 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. 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.. EPSS estimates a 0.29% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | >= 5.4.240, < 5.4.279 | — |
| Linux | Linux Kernel | >= 5.10.177, < 5.10.221 | — |
| Linux | Linux Kernel | >= 5.15.106, < 5.15.162 | — |
| Linux | Linux Kernel | >= 6.1.23, < 6.1.96 | — |
| Linux | Linux Kernel | >= 6.2.10, < 6.3 | — |
| Linux | Linux Kernel | >= 6.3.1, < 6.6.36 | — |
| Linux | Linux Kernel | >= 6.7, < 6.9.7 | — |
| Linux | Linux Kernel | 6.3 | — |
| Linux | Linux Kernel | 6.10 | Rc1 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
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