Bug 2315185 (CVE-2024-46833)

Summary: CVE-2024-46833 kernel: net: hns3: void array out of bound when loop tnl_num
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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An out-of-bounds memory access flaw was found in the Linux kernel’s Hisilicon Network driver in how the hardware returns an incorrect value to the driver. This flaw allows a local user to crash or potentially escalate their privileges on the system if using malicious hardware.
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Bug Depends On: 2315272    
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Description OSIDB Bzimport 2024-09-27 13:22:07 UTC 
In the Linux kernel, the following vulnerability has been resolved:

net: hns3: void array out of bound when loop tnl_num

When query reg inf of SSU, it loops tnl_num times. However, tnl_num comes
from hardware and the length of array is a fixed value. To void array out
of bound, make sure the loop time is not greater than the length of array
Comment 1 Robb Gatica 2024-09-27 15:05:10 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024092752-CVE-2024-46833-0fa0@gregkh/T