scsi: elx: efct: Fix refcount leak in efct_hw_io_abort()
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.
- Products
- Kernel
- Affected versions
- Not specified
- Fixed versions
- 5.15.212, 6.1.178, 6.12.97, 6.18.40, 6.6.145, 7.1.5
- CVEs
- CVE-2026-72082
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 2 Nov 2026, 18:21 UTC · Revision 1
Source evidence
scsi: elx: efct: Fix refcount leak in efct_hw_io_abort()
core-osv · Original sourcePublished 15 Aug 2026, 05:52 UTC
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.
osv:CVE-2026-72082
Kernel
Fixed versions: 5.15.212, 6.1.178, 6.6.145, 6.12.97, 6.18.40, 7.1.5
Complete source record
{
"id": "f2efe1d776a7121e33cda3935e8a285bade178402c867b3a9263fca9c47b8b29",
"url": "https://osv.dev/vulnerability/CVE-2026-72082",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "scsi: elx: efct: Fix refcount leak in efct_hw_io_abort()",
"summary": "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.",
"evidence": "osv:CVE-2026-72082",
"products": [
{
"name": {
"value": "Kernel",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "5.15.212",
"evidence": "/affected/1/ranges"
},
{
"value": "6.1.178",
"evidence": "/affected/1/ranges"
},
{
"value": "6.6.145",
"evidence": "/affected/1/ranges"
},
{
"value": "6.12.97",
"evidence": "/affected/1/ranges"
},
{
"value": "6.18.40",
"evidence": "/affected/1/ranges"
},
{
"value": "7.1.5",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CVE-2026-72082",
"aliases": [
"CVE-2026-72082"
],
"affected": [
{
"ranges": [
{
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"type": "GIT",
"events": [
{
"introduced": "63de51327a64c74e85611a0161eaae71256a3b6d"
},
{
"fixed": "cf97ea7b164a1881c7219f5222219c9d0fac4204"
},
{
"fixed": "1c6e186c722cfa9a58ebe841f91ab2ddf8570cc7"
},
{
"fixed": "62cf39a9770a6f29df59fd0edb0a05234a8b07f2"
},
{
"fixed": "faa59add4808fbf92e7d15bfd8770d2682c2b953"
},
{
"fixed": "9b871369cbb4532f6715e044d6b9c4ceb036e5b6"
},
{
"fixed": "747eaead2db298abfda2aa505f6d03775b40fe5f"
},
{
"fixed": "2c007acf7b31c39c08ce4959451ad00b19be4c1f"
}
]
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72082.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.14.0"
},
{
"fixed": "5.15.212"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "5.16.0"
},
{
"fixed": "6.1.178"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.2.0"
},
{
"fixed": "6.6.145"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.7.0"
},
{
"fixed": "6.12.97"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.13.0"
},
{
"fixed": "6.18.40"
}
]
},
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "6.19.0"
},
{
"fixed": "7.1.5"
}
]
}
],
"package": {
"name": "Kernel",
"ecosystem": "Linux"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-72082.json"
}
}
],
"modified": "2026-10-28T02:30:21.818662299Z",
"provider": "osv",
"references": [
"https://git.kernel.org/stable/c/1c6e186c722cfa9a58ebe841f91ab2ddf8570cc7",
"https://git.kernel.org/stable/c/2c007acf7b31c39c08ce4959451ad00b19be4c1f",
"https://git.kernel.org/stable/c/62cf39a9770a6f29df59fd0edb0a05234a8b07f2",
"https://git.kernel.org/stable/c/747eaead2db298abfda2aa505f6d03775b40fe5f",
"https://git.kernel.org/stable/c/9b871369cbb4532f6715e044d6b9c4ceb036e5b6",
"https://git.kernel.org/stable/c/cf97ea7b164a1881c7219f5222219c9d0fac4204",
"https://git.kernel.org/stable/c/faa59add4808fbf92e7d15bfd8770d2682c2b953",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72082.json",
"https://nvd.nist.gov/vuln/detail/CVE-2026-72082",
"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
],
"provider_metadata": {
"cna_assigner": "Linux",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/72xxx/CVE-2026-72082.json"
}
},
"related_cves": [
{
"value": "CVE-2026-72082",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 488268,
"published_at": "2026-08-15T05:52:31.291+00:00"
}