CVE-2026-31689

EDAC/mc: Fix error path ordering in edac_mc_alloc()

CVE-2026-31689 is fixed in 101 products on 1 platform, first by ALAS2023-2026-1694, released May 8, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
Moderate
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0012
1st percentile

In the Linux kernel, the following vulnerability has been resolved: EDAC/mc: Fix error path ordering in edac_mc_alloc() When the mci->pvt_info allocation in edac_mc_alloc() fails, the error path will call put_device() which will end up calling the device's release function. However, the init ordering is wrong such that device_initialize() happens *after* the failed allocation and thus the device itself and the release function pointer are not initialized yet when they're called: MCE: In-kernel MCE decoding enabled. ------------[ cut here ]------------ kobject: '(null)': is not initialized, yet kobject_put() is being called. WARNING: lib/kobject.c:734 at kobject_put, CPU#22: systemd-udevd CPU: 22 UID: 0 PID: 538 Comm: systemd-udevd Not tainted 7.0.0-rc1+ #2 PREEMPT(full) RIP: 0010:kobject_put Call Trace: <TASK> edac_mc_alloc+0xbe/0xe0 [edac_core] amd64_edac_init+0x7a4/0xff0 [amd64_edac] ? __pfx_amd64_edac_init+0x10/0x10 [amd64_edac] do_one_initcall ... Reorder the calling sequence so that the device is initialized and thus the release function pointer is properly set before it can be used. This was found by Claude while reviewing another EDAC patch.

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool · amzn 2023 1:6.1.170-210.320.amzn2023 ALAS2023-2026-1694 May 8, 2026
bpftool-debuginfo · amzn 2023 1:6.1.170-210.320.amzn2023 ALAS2023-2026-1694 May 8, 2026
bpftool6.12 · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
bpftool6.12-debuginfo · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
bpftool6.18 · amzn 2023 1:6.18.25-55.108.amzn2023 ALAS2023-2026-1693 May 8, 2026
bpftool6.18-debuginfo · amzn 2023 1:6.18.25-55.108.amzn2023 ALAS2023-2026-1693 May 8, 2026
kernel · amzn 2023 1:6.1.170-210.320.amzn2023 ALAS2023-2026-1694 May 8, 2026
kernel-64kb · sles 15.7 6.4.0-150700.53.84.1 SUSE-SU-2026:4706-1 Nov 7, 2026
kernel-azure · sles 15.7 6.4.0-150700.53.84.1 SUSE-SU-2026:4706-1 Nov 7, 2026
kernel-debuginfo · amzn 2023 1:6.1.170-210.320.amzn2023 ALAS2023-2026-1694 May 8, 2026
kernel-debuginfo-common-aarch64 · amzn 2023 1:6.1.170-210.320.amzn2023 ALAS2023-2026-1694 May 8, 2026
kernel-debuginfo-common-x86_64 · amzn 2023 1:6.1.170-210.320.amzn2023 ALAS2023-2026-1694 May 8, 2026
kernel-default · sles 15.7 6.4.0-150700.53.84.1 SUSE-SU-2026:4706-1 Nov 7, 2026
kernel-default-base · sles 15.7 6.4.0-150700.53.84.1.150700.17.47.1 SUSE-SU-2026:4706-1 Nov 7, 2026
kernel-devel · amzn 2023 1:6.1.170-210.320.amzn2023 ALAS2023-2026-1694 May 8, 2026
kernel-docs · sles 15.7 6.4.0-150700.53.84.1 SUSE-SU-2026:4706-1 Nov 7, 2026
kernel-headers · amzn 2023 1:6.1.170-210.320.amzn2023 ALAS2023-2026-1694 May 8, 2026
kernel-livepatch-6.1.170-210.320 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-1694 May 8, 2026
kernel-livepatch-6.12.83-113.160 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel-livepatch-6.18.25-55.108 · amzn 2023 1:1.0-0.amzn2023 ALAS2023-2026-1693 May 8, 2026
kernel-livepatch-SLE15-SP7-RT_Update_21 · sles 15.7 1-150700.1.3.1 SUSE-SU-2026:4640-1 Nov 7, 2026
kernel-livepatch-SLE15-SP7_Update_22 · sles 15.7 1-150700.15.3.1 SUSE-SU-2026:4706-1 Nov 7, 2026
kernel-modules-extra · amzn 2023 1:6.1.170-210.320.amzn2023 ALAS2023-2026-1694 May 8, 2026
kernel-modules-extra-common · amzn 2023 1:6.1.170-210.320.amzn2023 ALAS2023-2026-1694 May 8, 2026
kernel-obs-build · sles 15.7 6.4.0-150700.53.84.1 SUSE-SU-2026:4706-1 Nov 7, 2026
kernel-source · sles 15.7 6.4.0-150700.53.84.1 SUSE-SU-2026:4706-1 Nov 7, 2026
kernel-syms · sles 15.7 6.4.0-150700.53.84.1 SUSE-SU-2026:4706-1 Nov 7, 2026
kernel-tools · amzn 2023 1:6.1.170-210.320.amzn2023 ALAS2023-2026-1694 May 8, 2026
kernel-tools-debuginfo · amzn 2023 1:6.1.170-210.320.amzn2023 ALAS2023-2026-1694 May 8, 2026
kernel-tools-devel · amzn 2023 1:6.1.170-210.320.amzn2023 ALAS2023-2026-1694 May 8, 2026
kernel-uek · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-core · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-core · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-core · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-core · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-devel · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-devel · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-core · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-core · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-deprecated · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-deprecated · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-desktop · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-desktop · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-extra · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-extra · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-extra-netfilter · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-extra-netfilter · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-usb · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-usb · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-wireless · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-debug-modules-wireless · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-devel · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-devel · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-doc · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-doc · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-core · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-core · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-deprecated · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-deprecated · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-desktop · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-desktop · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-extra · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-extra · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-extra-netfilter · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-extra-netfilter · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-usb · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-usb · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-wireless · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-modules-wireless · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-tools · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek-tools · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-core · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-core · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-devel · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-devel · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-core · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-core · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-deprecated · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-deprecated · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-desktop · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-desktop · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-extra · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-extra · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-extra-netfilter · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-extra-netfilter · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-usb · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-usb · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-wireless · ol 10 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-uek64k-modules-wireless · ol 9 0:6.12.0-204.92.4.2.el9uek ELSA-2026-50372 Jul 2, 2026
kernel-zfcpdump · sles 15.7 6.4.0-150700.53.84.1 SUSE-SU-2026:4706-1 Nov 7, 2026
kernel6.12 · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-debuginfo · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-debuginfo-common-aarch64 · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-debuginfo-common-x86_64 · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-devel · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-headers · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-modules-extra · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-modules-extra-common · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-tools · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-tools-debuginfo · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.12-tools-devel · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
kernel6.18 · amzn 2023 1:6.18.25-55.108.amzn2023 ALAS2023-2026-1693 May 8, 2026
kernel6.18-debuginfo · amzn 2023 1:6.18.25-55.108.amzn2023 ALAS2023-2026-1693 May 8, 2026
kernel6.18-debuginfo-common-aarch64 · amzn 2023 1:6.18.25-55.108.amzn2023 ALAS2023-2026-1693 May 8, 2026
kernel6.18-debuginfo-common-x86_64 · amzn 2023 1:6.18.25-55.108.amzn2023 ALAS2023-2026-1693 May 8, 2026
kernel6.18-devel · amzn 2023 1:6.18.25-55.108.amzn2023 ALAS2023-2026-1693 May 8, 2026
kernel6.18-headers · amzn 2023 1:6.18.25-55.108.amzn2023 ALAS2023-2026-1693 May 8, 2026
kernel6.18-modules-extra · amzn 2023 1:6.18.25-55.108.amzn2023 ALAS2023-2026-1693 May 8, 2026
kernel6.18-modules-extra-common · amzn 2023 1:6.18.25-55.108.amzn2023 ALAS2023-2026-1693 May 8, 2026
kernel6.18-tools · amzn 2023 1:6.18.25-55.108.amzn2023 ALAS2023-2026-1693 May 8, 2026
kernel6.18-tools-debuginfo · amzn 2023 1:6.18.25-55.108.amzn2023 ALAS2023-2026-1693 May 8, 2026
kernel6.18-tools-devel · amzn 2023 1:6.18.25-55.108.amzn2023 ALAS2023-2026-1693 May 8, 2026
linux · Debian 12.15 (bookworm) 6.1.170-1 DEBIAN-CVE-2026-31689 May 15, 2026
linux · Debian 13.5 (trixie) 6.12.85-1 DEBIAN-CVE-2026-31689 May 15, 2026
linux · Debian 14 6.19.13-1 DEBIAN-CVE-2026-31689 May 15, 2026
perf · amzn 2023 1:6.1.170-210.320.amzn2023 ALAS2023-2026-1694 May 8, 2026
perf-debuginfo · amzn 2023 1:6.1.170-210.320.amzn2023 ALAS2023-2026-1694 May 8, 2026
perf6.12 · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
perf6.12-debuginfo · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
perf6.18 · amzn 2023 1:6.18.25-55.108.amzn2023 ALAS2023-2026-1693 May 8, 2026
perf6.18-debuginfo · amzn 2023 1:6.18.25-55.108.amzn2023 ALAS2023-2026-1693 May 8, 2026
python3-perf · amzn 2023 1:6.1.170-210.320.amzn2023 ALAS2023-2026-1694 May 8, 2026
python3-perf-debuginfo · amzn 2023 1:6.1.170-210.320.amzn2023 ALAS2023-2026-1694 May 8, 2026
python3-perf6.12 · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
python3-perf6.12-debuginfo · amzn 2023 1:6.12.83-113.160.amzn2023 ALAS2023-2026-1695 May 8, 2026
python3-perf6.18 · amzn 2023 1:6.18.25-55.108.amzn2023 ALAS2023-2026-1693 May 8, 2026
python3-perf6.18-debuginfo · amzn 2023 1:6.18.25-55.108.amzn2023 ALAS2023-2026-1693 May 8, 2026

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