CVE-2026-72081: scsi: elx: efct: Fix I/O leak on unsupported additional CDB

Severity: unknown
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-08-15 · updated 2026-08-17

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: elx: efct: Fix I/O leak on unsupported additional CDB efct_dispatch_fcp_cmd() allocates an efct_io before dispatching an unsolicited FCP command. If the command has an unsupported additional CDB, the function returns -EIO before handing the IO to the SCSI layer. Free the allocated IO before returning from this error path.

Affected products

Linux kernel: 5.14 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

https://git.kernel.org/stable/c/235159f75ab6f95484494db4cc031663e5ee4680
https://git.kernel.org/stable/c/42a391d508e1f52fda5d81344e100a53c00898e3
https://git.kernel.org/stable/c/8c689a8f229223cec4a821c65cfe40f8e8c56470
https://git.kernel.org/stable/c/94cbfed191248dc88c23fc881119bb399486ddfd
https://git.kernel.org/stable/c/9cb2d5291dbfe7bed565ead3337047dee9ed1064
https://git.kernel.org/stable/c/9d479f50a6067954259414aa66d816c7df081286
https://git.kernel.org/stable/c/df87532e9212238509f23effd0ca39d9c3062d21

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