Bug 2293302 (CVE-2021-4439)

Summary: CVE-2021-4439 kernel: isdn: cpai: check ctr->cnr to avoid array index out of bound
Product: [Other] Security Response Reporter: Avinash Hanwate <ahanwate>
Component: vulnerabilityAssignee: Product Security <prodsec-ir-bot>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: dfreiber, drow, jburrell, mbenatto, vkumar
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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Fixed In Version: kernel 4.4.290, kernel 4.9.288, kernel 4.14.253, kernel 4.19.214, kernel 5.4.156, kernel 5.10.76, kernel 5.14.15, kernel 5.15 Doc Type: If docs needed, set a value
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
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Bug Blocks: 2293307    

Description Avinash Hanwate 2024-06-20 13:16:58 UTC 
In the Linux kernel, the following vulnerability has been resolved:

isdn: cpai: check ctr-&gt;cnr to avoid array index out of bound

The Linux kernel CVE team has assigned CVE-2021-4439 to this issue.

Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024062001-CVE-2021-4439-59ce@gregkh/T