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In the Linux kernel, the following vulnerability has been resolved:
ipmi: ipmb: validate write message length
ipmb_write() read message fields before validating the length byte.
A zero or short write can read uninitialized stack bytes.
A length smaller than the SMBus header underflows the block write length.
Require a non-empty buffer and the minimum IPMB request length.
Also require the length byte plus payload before parsing the message.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux-6.12Upgrade linux | Sep 30, 2026 | Sep 11, 2026 |
| Ubuntu | — | Upgrade linux-hwe-5.15Upgrade linux-riscv-5.15Upgrade linux-kvmUpgrade linux-realtimeUpgrade linux-intel-iot-realtimeUpgrade linux-azure-5.15Upgrade linux-lowlatencyUpgrade linux-fipsUpgrade linux-nvidiaUpgrade linux-gkeopUpgrade linux-oracleUpgrade linux-riscv-7.0Upgrade linux-azure-fipsUpgrade linux-nvidia-tegra-igxUpgrade linux-ibmUpgrade linux-lowlatency-hwe-5.15Upgrade linux-bluefieldUpgrade linux-hwe-7.0Upgrade linux-nvidia-tegra-5.15Upgrade linux-ibm-5.15Upgrade linux-gkeUpgrade linux-azure-fdeUpgrade linux-aws-5.15Upgrade linuxUpgrade linux-nvidia-tegraUpgrade linux-awsUpgrade linux-oem-7.0Upgrade linux-riscvUpgrade linux-gcp-5.15Upgrade linux-intel-iotg-5.15Upgrade linux-azureUpgrade linux-azure-fde-5.15Upgrade linux-aws-fipsUpgrade linux-intel-iotgUpgrade linux-oracle-5.15Upgrade linux-gcp-fipsUpgrade linux-gcp | Nov 3, 2026 | Sep 11, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Sep 21, 2026 | Sep 11, 2026 |
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