CVE-2026-43079

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: Skip discovery table for offline dies This warning can be triggered if NUMA is disabled and the system boots with fewer CPUs than the number of CPUs in die 0. WARNING: CPU: 9 PID: 7257 at uncore.c:1157 uncore_pci_pmu_register+0x136/0x160 [intel_uncore] Currently, the discovery table continues to be parsed even if all CPUs in the associated die are offline. This can lead to an array overflow at "pmu->boxes[die] = box" in uncore_pci_pmu_register(), which may trigger the warning above or cause other issues.

The following products are affected by CVE-2026-43079 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-43079.

URL	Resource
https://git.kernel.org/stable/c/6cfc187d85f18f976d0fe527d4c6f6171542cc19
https://git.kernel.org/stable/c/7a2cb02437d92ed14fe494d8994056d5bd2c72b4
https://git.kernel.org/stable/c/7b568e9eba2fad89a696f22f0413d44cf4a1f892
https://git.kernel.org/stable/c/cfab2c817d2e7e0bee98d66850246ce842ed5f18
https://git.kernel.org/stable/c/f34feda8e0c9535fee3f8870ce8bab53c2798f71
https://lore.kernel.org/linux-cve-announce/2026050613-CVE-2026-43079-d820@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2026-43079
https://www.cve.org/CVERecord?id=CVE-2026-43079