Vulnerability · Published Sep 16, 2026 · Assigned by Linux

CVE-2026-89970nvmet-auth: Synchronize timeout work during SQ teardown

Critical 9.8

In plain English

A critical-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.8% (higher than 57% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.8%top 43.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

In the Linux kernel, the following vulnerability has been resolved: nvmet-auth: Synchronize timeout work during SQ teardown nvmet_auth_sq_free() cancels auth_expired_work with cancel_delayed_work(). If the work has already started, cancellation does not wait for the callback. Transport teardown can consequently free or reuse the queue containing struct nvmet_sq while nvmet_auth_expired_work() still accesses that SQ. Add a teardown-specific helper that synchronously drains the delayed work before freeing authentication state, and use it from nvmet_sq_destroy(). Keep the non-synchronous helper for in-band authentication state cleanup, where the SQ owner remains alive.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:10kernel6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:9kernel5.14.0-687.57.1.el9_8ALSA-2026:81552
AlmaLinux:10kernel-64k6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:9kernel-64k5.14.0-687.57.1.el9_8ALSA-2026:81552
AlmaLinux:10kernel-64k-core6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:9kernel-64k-core5.14.0-687.57.1.el9_8ALSA-2026:81552
AlmaLinux:10kernel-64k-debug6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:9kernel-64k-debug5.14.0-687.57.1.el9_8ALSA-2026:81552
AlmaLinux:10kernel-64k-debug-core6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:9kernel-64k-debug-core5.14.0-687.57.1.el9_8ALSA-2026:81552
AlmaLinux:10kernel-64k-debug-devel6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-64k-debug-devel-matched6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-64k-debug-modules6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:9kernel-64k-debug-modules5.14.0-687.57.1.el9_8ALSA-2026:81552
AlmaLinux:10kernel-64k-debug-modules-core6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:9kernel-64k-debug-modules-core5.14.0-687.57.1.el9_8ALSA-2026:81552
AlmaLinux:10kernel-64k-debug-modules-extra6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:9kernel-64k-debug-modules-extra5.14.0-687.57.1.el9_8ALSA-2026:81552
AlmaLinux:10kernel-64k-devel6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-64k-devel-matched6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-64k-modules6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:9kernel-64k-modules5.14.0-687.57.1.el9_8ALSA-2026:81552
AlmaLinux:10kernel-64k-modules-core6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:9kernel-64k-modules-core5.14.0-687.57.1.el9_8ALSA-2026:81552
AlmaLinux:10kernel-64k-modules-extra6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:9kernel-64k-modules-extra5.14.0-687.57.1.el9_8ALSA-2026:81552
AlmaLinux:10kernel-abi-stablelists6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:9kernel-abi-stablelists5.14.0-687.57.1.el9_8ALSA-2026:81552
AlmaLinux:10kernel-core6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:9kernel-core5.14.0-687.57.1.el9_8ALSA-2026:81552
AlmaLinux:10kernel-cross-headers6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-debug6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:9kernel-debug5.14.0-687.57.1.el9_8ALSA-2026:81552
AlmaLinux:10kernel-debug-core6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:9kernel-debug-core5.14.0-687.57.1.el9_8ALSA-2026:81552
AlmaLinux:10kernel-debug-devel6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-debug-devel-matched6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-debug-modules6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:9kernel-debug-modules5.14.0-687.57.1.el9_8ALSA-2026:81552
AlmaLinux:10kernel-debug-modules-core6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:9kernel-debug-modules-core5.14.0-687.57.1.el9_8ALSA-2026:81552
AlmaLinux:10kernel-debug-modules-extra6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:9kernel-debug-modules-extra5.14.0-687.57.1.el9_8ALSA-2026:81552
AlmaLinux:10kernel-debug-uki-virt6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-devel6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-devel-matched6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-doc6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-headers6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-modules6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-modules-core6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-modules-extra6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-modules-extra-matched6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-64k6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-64k-core6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-64k-debug6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-64k-debug-core6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-64k-debug-devel6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-64k-debug-modules6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-64k-debug-modules-core6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-64k-debug-modules-extra6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-64k-devel6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-64k-modules6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-64k-modules-core6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-64k-modules-extra6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-core6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-debug6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-debug-core6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-debug-devel6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-debug-modules6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-debug-modules-core6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-debug-modules-extra6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-devel6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-modules6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-modules-core6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-rt-modules-extra6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-tools6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-tools-libs6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-tools-libs-devel6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-uki-virt6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-uki-virt-addons6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-zfcpdump6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-zfcpdump-core6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-zfcpdump-devel6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-zfcpdump-devel-matched6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-zfcpdump-modules6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-zfcpdump-modules-core6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10kernel-zfcpdump-modules-extra6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10libperf6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10perf6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10python3-perf6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10rtla6.12.0-211.65.1.el10_2ALSA-2026:81406
AlmaLinux:10rv6.12.0-211.65.1.el10_2ALSA-2026:81406
Debian:12linux6.1.190-1DEBIAN-CVE-2026-89970
Debian:13linux6.12.111-1DEBIAN-CVE-2026-89970
Debian:14linux7.2.6-1DEBIAN-CVE-2026-89970
Debian:12linux-6.126.12.111-1~deb12u1DEBIAN-CVE-2026-89970
Rocky Linux:10kernel0:6.12.0-211.65.1.el10_2RLSA-2026:81406
Rocky Linux:9kernel0:5.14.0-687.57.1.el9_8RLSA-2026:81552
Ubuntu:24.04:LTSlinuxno fix listedUBUNTU-CVE-2026-89970
Ubuntu:26.04:LTSlinux7.0.0-42.42UBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-89970
Ubuntu:26.04:LTSlinux-aws7.0.0-1016.17UBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-aws-6.17no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-aws-6.8no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-aws-7.0no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-89970
Ubuntu:26.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-azure-6.17no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-azure-6.8no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-azure-7.0no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-89970
Ubuntu:26.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-azure-fde-6.17no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-azure-fde-6.8no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-azure-fde-7.0no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-89970
Ubuntu:26.04:LTSlinux-gcp7.0.0-1016.18UBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-gcp-6.17no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-gcp-6.8no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-gcp-7.0no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-89970
Ubuntu:26.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-hwe-6.17no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-hwe-6.8no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-hwe-7.07.0.0-42.42~24.04.1UBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-89970
Ubuntu:26.04:LTSlinux-ibm7.0.0-1017.17UBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-ibm-6.8no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.8no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-89970
Ubuntu:26.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-nvidia-6.17no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-nvidia-6.8no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-nvidia-7.0no fix listedUBUNTU-CVE-2026-89970
Ubuntu:26.04:LTSlinux-nvidia-bosno fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-nvidia-lowlatencyno fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-nvidia-tegra6.8.0-1038.42UBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-oem-6.17no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2026-89970
Ubuntu:26.04:LTSlinux-oem-7.07.0.0-1017.17UBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-89970
Ubuntu:26.04:LTSlinux-oracle7.0.0-1015.16UBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-oracle-6.17no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-oracle-6.8no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-oracle-7.0no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-89970
Ubuntu:26.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-89970
Ubuntu:26.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-89970
Ubuntu:26.04:LTSlinux-riscv7.0.0-42.42.1UBUNTU-CVE-2026-89970
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2026-89970
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2026-89970

Affected products (as reported)

VendorProductVersions
Linux Linux 1a70200f404ae210b4f0334e3936e84f8edb6bc8 – before 664022fa1c93f4eba09ef5ee02411b9709dd7a931a70200f404ae210b4f0334e3936e84f8edb6bc8 – before c3c126a6142a1335bc8c34a5607c39cf01daf2951a70200f404ae210b4f0334e3936e84f8edb6bc8 – before c17c87bde6d6f5252a6a6f0a94b2430164aa28d51a70200f404ae210b4f0334e3936e84f8edb6bc8 – before 7555ddd60af72df2862dd8f9b730a9848577edda1a70200f404ae210b4f0334e3936e84f8edb6bc8 – before eb4f9127a2b8a152743f1ee597627e2f69cb54fe1a70200f404ae210b4f0334e3936e84f8edb6bc8 – before eaa948c0e19b1bb2d93262207bca0c3d19cc3406
Linux Linux 6.0

References