CVE-2026-43210

In the Linux kernel, the following vulnerability has been resolved: tracing: ring-buffer: Fix to check event length before using Check the event length before adding it for accessing next index in rb_read_data_buffer(). Since this function is used for validating possibly broken ring buffers, the length of the event could be broken. In that case, the new event (e + len) can point a wrong address. To avoid invalid memory access at boot, check whether the length of each event is in the possible range before using it.

The following products are affected by CVE-2026-43210 vulnerability.

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-43210.

URL	Resource
https://git.kernel.org/stable/c/5026010110a5ad2268d8c23e1e286ab7c736f7ac
https://git.kernel.org/stable/c/912b0ee248c529a4f45d1e7f568dc1adddbf2a4a
https://git.kernel.org/stable/c/9eb80e54494ef1efef8a64bec4ffa672c9cf411e
https://git.kernel.org/stable/c/b4700c089a10f89de3a5149d57f8a58306458982
https://lore.kernel.org/linux-cve-announce/2026050649-CVE-2026-43210-f4dd@gregkh/T
https://nvd.nist.gov/vuln/detail/CVE-2026-43210
https://www.cve.org/CVERecord?id=CVE-2026-43210