CVE-2026-45872: scsi: smartpqi: Fix memory leak in pqi_report_phys_luns()
In the Linux kernel, the following vulnerability has been resolved:
scsi: smartpqi: Fix memory leak in pqireportphysluns()
pqireportphysluns() fails to release the rpllist buffer when encountering an unsupported data format or when the allocation for rpl16bytewwidlist fails. These early returns bypass the cleanup logic, leading to memory leaks.
Consolidate the error handling by adding an outfreerpllist label and use goto statements to ensure rpllist is consistently freed on failure.
Compile tested only. Issue found using a prototype static analysis tool and code review.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
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debian/linuxto a version that resolves this vulnerability.Fixed in 6.1.170-1 - Upgrade
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debian/linuxto a version that resolves this vulnerability.Fixed in 6.12.85-1 - Upgrade
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debian/linuxto a version that resolves this vulnerability.Fixed in 6.18.14-1 - Upgrade
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linux/Kernelto a version that resolves this vulnerability.Fixed in 6.1.165 - Upgrade
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linux/Kernelto a version that resolves this vulnerability.Fixed in 6.6.128 - Upgrade
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linux/Kernelto a version that resolves this vulnerability.Fixed in 6.12.75 - Upgrade
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linux/Kernelto a version that resolves this vulnerability.Fixed in 6.18.14 - Upgrade
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linux/Kernelto a version that resolves this vulnerability.Fixed in 6.19.4 - Upgrade
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debian/linuxto a version that resolves this vulnerability.Fixed in 6.1.176-1Fixed in 6.1.190-1Fixed in 6.12.107-1Fixed in 6.12.116-1Fixed in 7.2.15-1Fixed in 7.3.3-1 - Upgrade
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ubuntu/linux-aws-6.8to a version that resolves this vulnerability.Fixed in 6.8.0-1060.63~22.04.1 - Upgrade
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ubuntu/linux-azure-6.8to a version that resolves this vulnerability.Fixed in 6.8.0-1063.71~22.04.1 - Upgrade
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ubuntu/linux-azure-fde-6.8to a version that resolves this vulnerability.Fixed in 6.8.0-1062.69~22.04.1 - Upgrade
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ubuntu/linux-gcp-6.8to a version that resolves this vulnerability.Fixed in 6.8.0-1063.69~22.04.1 - Upgrade
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ubuntu/linux-hwe-6.8to a version that resolves this vulnerability.Fixed in 6.8.0-136.136~22.04.1 - Upgrade
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ubuntu/linux-ibm-6.8to a version that resolves this vulnerability.Fixed in 6.8.0-1060.61~22.04.1 - Upgrade
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ubuntu/linux-lowlatency-hwe-6.8to a version that resolves this vulnerability.Fixed in 6.8.0-134.134.1~22.04.1 - Upgrade
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ubuntu/linux-nvidia-6.8to a version that resolves this vulnerability.Fixed in 6.8.0-1058.61~22.04.1 - Upgrade
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ubuntu/linux-oracle-6.8to a version that resolves this vulnerability.Fixed in 6.8.0-1057.58~22.04.1 - Upgrade
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ubuntu/linux-awsto a version that resolves this vulnerability.Fixed in 6.8.0-1060.63 - Upgrade
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ubuntu/linux-azureto a version that resolves this vulnerability.Fixed in 6.8.0-1063.71 - Upgrade
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ubuntu/linux-azure-fdeto a version that resolves this vulnerability.Fixed in 6.8.0-1062.69 - Upgrade
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ubuntu/linux-azure-nvidiato a version that resolves this vulnerability.Fixed in 6.8.0-1039.42 - Upgrade
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ubuntu/linux-gcpto a version that resolves this vulnerability.Fixed in 6.8.0-1063.69 - Upgrade
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ubuntu/linux-gketo a version that resolves this vulnerability.Fixed in 6.8.0-1058.64 - Upgrade
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ubuntu/linux-gkeopto a version that resolves this vulnerability.Fixed in 6.8.0-1045.48 - Upgrade
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ubuntu/linux-ibmto a version that resolves this vulnerability.Fixed in 6.8.0-1060.61 - Upgrade
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ubuntu/linux-lowlatencyto a version that resolves this vulnerability.Fixed in 6.8.0-134.134.1 - Upgrade
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ubuntu/linux-nvidiato a version that resolves this vulnerability.Fixed in 6.8.0-1058.61 - Upgrade
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ubuntu/linux-nvidia-lowlatencyto a version that resolves this vulnerability.Fixed in 6.8.0-1058.61.1 - Upgrade
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ubuntu/linux-nvidia-tegrato a version that resolves this vulnerability.Fixed in 6.8.0-1029.30 - Upgrade
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ubuntu/linux-oracleto a version that resolves this vulnerability.Fixed in 6.8.0-1057.58 - Upgrade
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ubuntu/linux-raspito a version that resolves this vulnerability.Fixed in 6.8.0-1060.64 - Upgrade
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ubuntu/linux-xilinxto a version that resolves this vulnerability.Fixed in 6.8.0-1032.33 - Upgrade
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ubuntu/linux-bluefieldto a version that resolves this vulnerability.Fixed in 6.8.0-1026.30 - Upgrade
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ubuntu/linux-raspi-realtimeto a version that resolves this vulnerability.Fixed in 6.8.0-2049.50 - Upgrade
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ubuntu/linux-realtimeto a version that resolves this vulnerability.Fixed in 6.8.1-1055.56 - Upgrade
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ubuntu/linux-aws-fipsto a version that resolves this vulnerability.Fixed in 6.8.0-1060.63+fips1 - Upgrade
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ubuntu/linux-azure-fipsto a version that resolves this vulnerability.Fixed in 6.8.0-1062.69+fips1 - Upgrade
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ubuntu/linux-fipsto a version that resolves this vulnerability.Fixed in 6.8.0-134.134+fips1 - Upgrade
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ubuntu/linux-gcp-fipsto a version that resolves this vulnerability.Fixed in 6.8.0-1063.69+fips1
Event History
Frequently Asked Questions
What systems are exposed to this issue?
Systems running an affected Linux kernel with the smartpqi SCSI driver are relevant. The affected software list includes Linux kernel packages for Ubuntu variants and Debian, but the provided data does not identify specific affected or fixed package versions.
What conditions trigger the memory leak?
The leak occurs in pqi_report_phys_luns() when the device reports an unsupported data format or when allocation of rpl_16byte_wwid_list fails. In either case, an early return previously bypassed release of the rpl_list buffer.
What is the operational impact?
Repeated triggering of the affected error paths can leak kernel memory and may lead to an availability impact. The supplied vector indicates local access, low attack complexity, low privileges required, no user interaction, and high availability impact.
What can be done if an updated kernel cannot be deployed immediately?
The provided data does not specify a workaround. Risk reduction would depend on avoiding the affected smartpqi driver error paths, particularly unsupported reported data formats and allocation-failure conditions, but no supported mitigation is given.