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Vulnerability · Published Oct 28, 2026 · Assigned by Linux

CVE-2026-99206scsi: target: iscsi: Fix race in discovery auth updates

Unrated

In plain English

A 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 7% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS )–Not rated
Exploit odds (30 days)0.2%top 93.5% 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: scsi: target: iscsi: Fix race in discovery auth updates Separate configfs opens can concurrently update the discovery AuthMethod parameter. Both callers may free the same value in iscsi_update_param_value(), causing a double-free. Protect the lookup and replacement with the discovery TPG access lock, as used by the other TPG configfs parameter updates.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linuxno fix listedDEBIAN-CVE-2026-99206
Debian:13linux6.12.115-2DEBIAN-CVE-2026-99206
Debian:14linux7.2.13-1DEBIAN-CVE-2026-99206
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinuxno fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.04:LTSlinuxno fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.10linux7.3.0-10.10UBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.10linux-aws7.3.0-1004.4UBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-aws-6.17no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-aws-6.8no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-aws-7.0no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.10linux-azureno fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-azure-6.17no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-azure-6.8no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-azure-7.0no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.10linux-azure-fdeno fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-azure-fde-6.17no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-azure-fde-6.8no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-azure-fde-7.0no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.10linux-gcp7.3.0-1004.4UBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-gcp-6.17no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-gcp-6.8no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-gcp-7.0no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-hwe-6.17no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-hwe-6.8no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-hwe-7.0no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-ibm-6.8no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.8no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-nvidia-6.17no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-nvidia-6.8no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-nvidia-7.0no fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.04:LTSlinux-nvidia-bosno fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-nvidia-lowlatencyno fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-oem-6.17no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.04:LTSlinux-oem-7.0no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.10linux-oracle7.3.0-1004.4UBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-oracle-6.17no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-oracle-6.8no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-oracle-7.0no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.10linux-raspi7.3.0-1004.4UBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.10linux-realtime7.3.0-10.10.1UBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-99206
Ubuntu:26.10linux-riscv7.3.0-10.10.1UBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-riscv-6.17no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-riscv-6.8no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-riscv-7.0no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-vmwareno fix listedUBUNTU-CVE-2026-99206
Ubuntu:24.04:LTSlinux-xilinxno fix listedUBUNTU-CVE-2026-99206
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2026-99206

Affected products (as reported)

VendorProductVersions
Linux Linux e48354ce078c079996f89d715dfa44814b4eba01 – before 128dfa7a9b4b3c956e8ac04a169a7ba04960cd75e48354ce078c079996f89d715dfa44814b4eba01 – before 35f3eb8ba914cbe079faf8712101b94ce6b2d821e48354ce078c079996f89d715dfa44814b4eba01 – before 3b206898acaf40f87cf59e97e511a6b60aad9d5ee48354ce078c079996f89d715dfa44814b4eba01 – before 57b6ebcc83afb5338c561ff97ca85dc954a89136e48354ce078c079996f89d715dfa44814b4eba01 – before 083eea404d162c324456cf4ff9912fe8701d936be48354ce078c079996f89d715dfa44814b4eba01 – before 9b07828b133b326cb4fb59f144ca37f8db535999e48354ce078c079996f89d715dfa44814b4eba01 – before 6caa2b3edb7da4f50a38e16561b75fcae21d4099e48354ce078c079996f89d715dfa44814b4eba01 – before e15b81f602edbdee39c335546f25486a1747f3f0
Linux Linux 3.1

References