Medium [CVE-2026-72082] Fix refcount leak in efct_hw_io_abort
This medium-severity Red Hat Linux advisory covers CVE-2026-72082.
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Summary
A flaw was found in the Linux kernel's SCSI (Small Computer System Interface) `elx: efct` module. This vulnerability occurs when an I/O abort operation fails to properly release a resource reference.
This can lead to a permanent resource leak, which prevents subsequent attempts to abort the same I/O operation. Consequently, this issue can block system recovery and potentially result in a denial of service (DoS) condition.
Red Hat severity: Moderate — CVSS 5.5 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H). Weakness: CWE-772.
Red Hat lists Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9 as not affected.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 1 hour ago·verify at source
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