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scsi: core: Fix refcount leak for tagset_refcnt

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fix refcount leak for tagset_refcnt This leak will cause a hang when tearing down the SCSI host. For example, iscsid hangs with the following call trace: [130120.652718] scsi_alloc_sdev: Allocation failure during SCSI scanning, some SCSI devices might not be configured PID: 2528 TASK: ffff9d0408974e00 CPU: 3 COMMAND: "iscsid" #0 [ffffb5b9c134b9e0] __schedule at ffffffff860657d4 #1 [ffffb5b9c134ba28] schedule at ffffffff86065c6f #2 [ffffb5b9c134ba40] schedule_timeout at ffffffff86069fb0 #3 [ffffb5b9c134bab0] __wait_for_common at ffffffff8606674f #4 [ffffb5b9c134bb10] scsi_remove_host at ffffffff85bfe84b #5 [ffffb5b9c134bb30] iscsi_sw_tcp_session_destroy at ffffffffc03031c4 [iscsi_tcp] #6 [ffffb5b9c134bb48] iscsi_if_recv_msg at ffffffffc0292692 [scsi_transport_iscsi] #7 [ffffb5b9c134bb98] iscsi_if_rx at ffffffffc02929c2 [scsi_transport_iscsi] #8 [ffffb5b9c134bbf0] netlink_unicast at ffffffff85e551d6 #9 [ffffb5b9c134bc38] netlink_sendmsg at ffffffff85e554ef

Announced Source revision 1
Original source ↗

CVE-2026-23296

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2026-23296

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "f818708eeeae793e12dc39f8984ed7732048a7d9",
        "lessThan": "0e274674714427dc578bb99db5b86e312d2b57f8",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "8fe4ce5836e932f5766317cb651c1ff2a4cd0506",
        "lessThan": "9f5e4abed9248448aa1b45b12ab0bea4d329b56a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "8fe4ce5836e932f5766317cb651c1ff2a4cd0506",
        "lessThan": "7c01b680beaf4d3143866b062b8e770e8b237fb8",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "8fe4ce5836e932f5766317cb651c1ff2a4cd0506",
        "lessThan": "ec5c17c687b189dbc09dfdec11b669caa40bc395",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "8fe4ce5836e932f5766317cb651c1ff2a4cd0506",
        "lessThan": "944a333c8e4d42256556c1d2ebb6d773a33e0dcd",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "8fe4ce5836e932f5766317cb651c1ff2a4cd0506",
        "lessThan": "a03d96598d39fdf605d90731db3ef3b13fb8bdc8",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "8fe4ce5836e932f5766317cb651c1ff2a4cd0506",
        "lessThan": "1ac22c8eae81366101597d48360718dff9b9d980",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5ce8fad941233e81f2afb5b52a3fcddd3ba8732f",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "2e7eb4c1e8af8385de22775bd0be552f59b28c9a",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "5.15.164",
        "lessThan": "5.15.203",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "5.10.223",
        "lessThan": "5.11",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "5.19.12",
        "lessThan": "5.20",
        "versionType": "semver"
      }
    ],
    "programFiles": [
      "drivers/scsi/scsi_scan.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "6.0"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "6.0",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "5.15.203",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.167",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.6.130",
        "versionType": "semver",
        "lessThanOrEqual": "6.6.*"
      },
      {
        "status": "unaffected",
        "version": "6.12.77",
        "versionType": "semver",
        "lessThanOrEqual": "6.12.*"
      },
      {
        "status": "unaffected",
        "version": "6.18.17",
        "versionType": "semver",
        "lessThanOrEqual": "6.18.*"
      },
      {
        "status": "unaffected",
        "version": "6.19.7",
        "versionType": "semver",
        "lessThanOrEqual": "6.19.*"
      },
      {
        "status": "unaffected",
        "version": "7.0",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "drivers/scsi/scsi_scan.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2026-23296

Source reference: /cveMetadata/cveId

Publisher severity

No explicit severity was provided.

Event
#27217 · Revision 1
Added to Heist Feed
Publisher date
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