CVE-2026-43150High· 7.8▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: perf/arm-cmn: Reject unsupported hardware configurations So far we've been fairly lax about accepting both unknown CMN models (at least with a warning), and unknown re…
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Oct 16.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
0.2%
Last analysed / modified upstream
In the Linux kernel, the following vulnerability has been resolved:
perf/arm-cmn: Reject unsupported hardware configurations
So far we've been fairly lax about accepting both unknown CMN models (at least with a warning), and unknown revisions of those which we do know, as although things do frequently change between releases, typically enough remains the same to be somewhat useful for at least some basic bringup checks. However, we also make assumptions of the maximum supported sizes and numbers of things in various places, and there's no guarantee that something new might not be bigger and lead to nasty array overflows. Make sure we only try to run on things that actually match our assumptions and so will not risk memory corruption.
We have at least always failed on completely unknown node types, so update that error message for clarity and consistency too.
Linux >= 28fa550a49e818d6445e787f584759b1bf21d9d4 < 7e2c200010aa93fa78201da959b4ac6b9f8fed0bLinux >= 7819e05a0dceac20c5ff78ec9b252faf3b76b824 < d3e837e11ee9ed08df229272319199003ba00379Linux >= 7819e05a0dceac20c5ff78ec9b252faf3b76b824 < 00d69f21ef2ab00e6156c764d89e2b3539eb2f33Linux >= 7819e05a0dceac20c5ff78ec9b252faf3b76b824 < 08c7eadd8a934a1968e1aeeee8b61b853b99fb3aLinux >= 7819e05a0dceac20c5ff78ec9b252faf3b76b824 < a251d866f50b6a4c95901fa722025065679c2ecaLinux >= 7819e05a0dceac20c5ff78ec9b252faf3b76b824 < 36c0de02575ce59dfd879eb4ef63d53a68bbf9ceLinux >= 6.1.63 < 6.1.165Linux 6.5Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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