A flaw was found in the EDAC/mc module of the Linux kernel. An error in the ordering of operations within the `edac_mc_alloc` function can lead to a situation where a device's release function is called before the device is fully initialized. This improper initialization can result in a kernel warning and potential system instability, leading to a denial of service.

Red Hat Enterprise Linux 10 Fix deferred kernel Red Hat Enterprise Linux 6 Out of support scope kernel Red Hat Enterprise Linux 7 Not affected kernel Red Hat Enterprise Linux 7 Not affected kernel-rt Red Hat Enterprise Linux 8 Not affected kernel Red Hat Enterprise Linux 8 Not affected kernel-rt Red Hat Enterprise Linux 9 Not affected kernel Red Hat Enterprise Linux 9 Not affected kernel-rt https://www.cve.org/CVERecord?id=CVE-2026-31689 https://nvd.nist.gov/vuln/detail/CVE-2026-31689 https://lore.kernel.org/linux-cve-announce/2026042757-CVE-2026-31689-9a00@gregkh/T