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CVE-2026-72082· NVD / CVE Program· CNA Linux

scsi: elx: efct: Fix refcount leak in efct_hw_io_abort()

Noroxi assessment

Priority: Monitor (action score 0/100)

  • The sources we track (CISA KEV, Exploit-DB, Metasploit, Nuclei, GitHub) show no public exploit code or exploitation in the wild.
  • Probability of exploitation in the next 30 days: 0.21% (FIRST EPSS).
  • Fixed version: Linux Linux 1c6e186c722cfa9a58ebe841f91ab2ddf8570cc7, 2c007acf7b31c39c08ce4959451ad00b19be4c1f, 62cf39a9770a6f29df59fd0edb0a05234a8b07f2.

Low priority for now. Upgrade to Linux Linux 1c6e186c722cfa9a58ebe841f91ab2ddf8570cc7, 2c007acf7b31c39c08ce4959451ad00b19be4c1f, 62cf39a9770a6f29df59fd0edb0a05234a8b07f2 or later.

Generated automatically from the record's data: CVSS (NVD and CNA), CISA KEV and SSVC, FIRST EPSS, exploit sources, fixed versions. How we calculate it

Primary sources: NVD · CVE.org · FIRST EPSS

In the Linux kernel, the following vulnerability has been resolved: scsi: elx: efct: Fix refcount leak in efct_hw_io_abort() When efct_hw_reqtag_alloc() fails in efct_hw_io_abort(), the error path returns -ENOSPC without releasing the reference obtained via kref_get_unless_zero() earlier in the function. All other error paths correctly drop the reference. This causes a permanent reference leak on the io_to_abort object. Additionally, the abort_in_progress flag is left set to true on this path, which means future abort attempts for the same I/O will immediately return -EINPROGRESS even though the abort was never submitted, effectively blocking recovery. Fix this by adding the missing kref_put() call and reset abort_in_progress to false, matching the cleanup done in the efct_hw_wq_write() failure path below.

—No exploit Fix available
Published
Aug 15, 2026
Updated
Aug 17, 2026
EPSS
0.2% · 11th percentile
CWE
—

Report tools

JSON

Action score

0

Monitor

Low priority for now.

CVSS
0 / 40 · —
CISA KEV
0 / 30 · Not listed
EPSS
0 / 30 · 0.2%

Get told when this record changes

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  • No public exploit code on record
  • A fix has been released

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Noroxi analysis

What does it mean in your environment?

The assessment above is generated automatically from the record's data; it doesn't know your environment. Our team verifies on your systems whether this vulnerability is actually exploitable and which mitigation is enough.

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Affected systems

Is your version affected?

Pick the product and type the version you run. It's compared with this record's version ranges in your browser; the version isn't sent anywhere.

—

Versions reported by the vendor

Affected version ranges reported by the assigning authority (Linux). Independent of NVD's CPE analysis and usually ahead of it.

  • Linux Linux

    • 5.14affected
    • 63de51327a64c74e85611a0161eaae71256a3b6d and later · before cf97ea7b164a1881c7219f5222219c9d0fac4204affected · git
    • 63de51327a64c74e85611a0161eaae71256a3b6d and later · before 1c6e186c722cfa9a58ebe841f91ab2ddf8570cc7affected · git
    • 63de51327a64c74e85611a0161eaae71256a3b6d and later · before 62cf39a9770a6f29df59fd0edb0a05234a8b07f2affected · git
    • 63de51327a64c74e85611a0161eaae71256a3b6d and later · before faa59add4808fbf92e7d15bfd8770d2682c2b953affected · git
    • 63de51327a64c74e85611a0161eaae71256a3b6d and later · before 9b871369cbb4532f6715e044d6b9c4ceb036e5b6affected · git
    • 63de51327a64c74e85611a0161eaae71256a3b6d and later · before 747eaead2db298abfda2aa505f6d03775b40fe5faffected · git
    • 63de51327a64c74e85611a0161eaae71256a3b6d and later · before 2c007acf7b31c39c08ce4959451ad00b19be4c1faffected · git
    • before 5.14not affected · semver
    • 5.15.212 and later · up to and including 5.15.*not affected · semver

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

EcosystemPackageAffected rangeFix
Debian:12linuxbefore 6.1.180-16.1.180-1
Debian:13linuxbefore 6.12.100-16.12.100-1
Debian:14linuxbefore 7.1.5-17.1.5-1

Same product

linux: all records

Other highest-scoring records for the same primary product.

  • CVE-2026-74705udp: fix potential use-after-free in tunnel segmentation
    40Plan
  • CVE-2026-74612veth: fix skb length accounting after XDP frag adjustment
    40Plan
  • CVE-2026-74475vxlan: use neigh_ha_snapshot() in route_shortcircuit()
    40Plan

Published before and after this one in the same product

  • ← EarlierCVE-2026-72079Aug 15, 2026 · Input: ims-pcu - fix use-after-free and double-free in disconnect
    0Monitor
  • ← EarlierCVE-2026-72081Aug 15, 2026 · scsi: elx: efct: Fix I/O leak on unsupported additional CDB
    0Monitor
  • Later →CVE-2026-72086Aug 15, 2026 · scsi: xen: scsiback: Free the command tag on the TMR submit-failure path
    0Monitor

Remediation

Which version to upgrade to

Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.

Product / packageFixed versionSource
Linux Linux1c6e186c722cfa9a58ebe841f91ab2ddf8570cc7Vendor (CNA)
Linux Linux2c007acf7b31c39c08ce4959451ad00b19be4c1fVendor (CNA)
Linux Linux62cf39a9770a6f29df59fd0edb0a05234a8b07f2Vendor (CNA)
Linux Linux747eaead2db298abfda2aa505f6d03775b40fe5fVendor (CNA)
Linux Linux9b871369cbb4532f6715e044d6b9c4ceb036e5b6Vendor (CNA)
Linux Linuxcf97ea7b164a1881c7219f5222219c9d0fac4204Vendor (CNA)
Linux Linuxfaa59add4808fbf92e7d15bfd8770d2682c2b953Vendor (CNA)
debian:linux6.1.180-1 · Debian:12Package registry (OSV)

Exploit status

No known public exploit

No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.

Research context

For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.

Timeline

From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.

No dated events beyond publication.

EPSS, last 120 days

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Patch and commit links

Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.

No commit or PR link among the references.

Credits

All researchers

Finders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.

No credits in the CNA record.

Variant candidates

Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.

No nightly-computed relations.

Chain candidates

An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.

—

Bug bounty scope

No known public program.

Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).

Technical details

No CVSS vector for this record, so attack conditions can't be derived.

Weakness class (CWE)

—

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.

MITRE has no CAPEC/ATT&CK mapping for this CWE.

Change log

  1. Fix✗ → ✓

For records you follow, these changes also arrive as notifications. →

References

Show all references (6 more)

Vendor advisories and official records. Exploit/PoC links are deliberately left out.

All records