Bug 2300705 (CVE-2024-42092)

Summary: CVE-2024-42092 kernel: gpio: davinci: Validate the obtained number of IRQs
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: dfreiber, drow, jburrell, vkumar
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: kernel 4.19.317, kernel 5.4.279, kernel 5.10.221, kernel 5.15.162, kernel 6.1.97, kernel 6.6.37, kernel 6.9.8, kernel 6.10 Doc Type: If docs needed, set a value
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2301747    
Bug Blocks:    

Description OSIDB Bzimport 2024-07-29 18:20:27 UTC 
In the Linux kernel, the following vulnerability has been resolved:

gpio: davinci: Validate the obtained number of IRQs

Value of pdata->gpio_unbanked is taken from Device Tree. In case of broken
DT due to any error this value can be any. Without this value validation
there can be out of chips->irqs array boundaries access in
davinci_gpio_probe().

Validate the obtained nirq value so that it won't exceed the maximum
number of IRQs per bank.

Found by Linux Verification Center (linuxtesting.org) with SVACE.
Comment 1 Mauro Matteo Cascella 2024-07-30 17:37:50 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2024072906-CVE-2024-42092-8375@gregkh/T
Comment 2 Mauro Matteo Cascella 2024-07-30 17:38:15 UTC 
Created kernel tracking bugs for this issue:

Affects: fedora-all [bug 2301747]