CVE-2024-26586

CVSS 3.1 Score 6.7 of 10 (medium)

Details

Published Feb 22, 2024
Updated: Jun 25, 2024
CWE ID 787

Summary

CVE-2024-26586 is a Linux kernel vulnerability affecting Spectrum-2 and newer ASICs. It arises from the limitation of the PAGT register, which configures ACL groups, not being updated to accommodate the reported maximum number of ACLs in a group. As a result, when more than 16 ACLs are required in a group, stack corruption occurs during forwarding. The issue is addressed by limiting the maximum ACL group size to the minimum between the firmware-reported limit and the maximum ACLs that fit in the PAGT register, along with the addition of a test case to ensure the system does not crash under such conditions.

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