CVE-2022-50060
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-06-18

Last updated on: 2025-11-13

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: Fix mcam entry resource leak The teardown sequence in FLR handler returns if no NIX LF is attached to PF/VF because it indicates that graceful shutdown of resources already happened. But there is a chance of all allocated MCAM entries not being freed by PF/VF. Hence free mcam entries even in case of detached LF.
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Meta Information
Published
2025-06-18
Last Modified
2025-11-13
Generated
2026-05-07
AI Q&A
2025-06-18
EPSS Evaluated
2026-05-05
NVD
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
linux linux_kernel From 5.15.160 (inc) to 5.16 (inc)
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
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CWE ID Description
CWE-401 The product does not sufficiently track and release allocated memory after it has been used, making the memory unavailable for reallocation and reuse.
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?

This vulnerability involves a resource leak in the Linux kernel's octeontx2-af driver. Specifically, during the teardown sequence in the FLR (Function Level Reset) handler, if no NIX LF (Logical Function) is attached to a PF (Physical Function) or VF (Virtual Function), the process returns early, assuming resources have already been gracefully shut down. However, this can lead to allocated MCAM (Match CAM) entries not being freed properly. The fix ensures that MCAM entries are freed even when the LF is detached.


How can this vulnerability impact me? :

The impact of this vulnerability is a resource leak in the kernel, which could lead to exhaustion of MCAM entries over time. This may degrade system performance or stability due to unreleased resources, potentially causing issues in network packet processing or other functions relying on these resources.


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