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Vulnerability · Published Apr 6, 2026 · Assigned by Linux

CVE-2026-31410ksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION

Medium 5.5

In plain English

A medium-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 0.2% (higher than 6% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 93.9% 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: ksmbd: use volume UUID in FS_OBJECT_ID_INFORMATION Use sb->s_uuid for a proper volume identifier as the primary choice. For filesystems that do not provide a UUID, fall back to stfs.f_fsid obtained from vfs_statfs().

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linuxno fix listedDEBIAN-CVE-2026-31410
Debian:13linux6.12.85-1DEBIAN-CVE-2026-31410
Debian:14linux6.19.10-1DEBIAN-CVE-2026-31410
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinuxno fix listedUBUNTU-CVE-2026-31410
Ubuntu:25.10linuxno fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-31410
Ubuntu:25.10linux-awsno fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-aws-6.17no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-aws-6.8no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-31410
Ubuntu:25.10linux-azureno fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-azure-6.17no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-azure-6.8no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-31410
Ubuntu:25.10linux-azure-fdeno fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-azure-fde-6.17no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-azure-fde-6.8no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-31410
Ubuntu:25.10linux-gcpno fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-gcp-6.17no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-gcp-6.8no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-hwe-6.17no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-hwe-6.8no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-ibm-6.8no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.8no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-nvidia-6.17no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-nvidia-6.8no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-nvidia-lowlatencyno fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-oem-6.17no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-31410
Ubuntu:25.10linux-oracleno fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-oracle-6.17no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-oracle-6.8no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-31410
Ubuntu:25.10linux-raspino fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-31410
Ubuntu:25.10linux-realtimeno fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-31410
Ubuntu:25.10linux-riscvno fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-riscv-6.17no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-riscv-6.8no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-vmwareno fix listedUBUNTU-CVE-2026-31410
Ubuntu:24.04:LTSlinux-xilinxno fix listedUBUNTU-CVE-2026-31410
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2026-31410

Affected products (as reported)

VendorProductVersions
Linux Linux e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 – before 5258e9187703bfd02faf19c37c23ab9d6587f24ce2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 – before 1df0123f96f377282feaae24d8e561fff4a6541fe2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 – before ce00616bc1df675bfdacc968f2bf7c51f4669227e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 – before 3d80ebe6d1b7bc9ad20fd9b0c1a0c56d804f8a0ae2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 – before c283a6ffe6d5d6e5594d991286b9ce15951572e1e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9 – before 3a64125730cabc34fccfbc230c2667c2e14f7308
Linux Linux 5.15

References