CVE-2026-23296 (GCVE-0-2026-23296)

Vulnerability from cvelistv5 – Published: 2026-03-25 10:26 – Updated: 2026-03-25 10:26
VLAI?
Title
scsi: core: Fix refcount leak for tagset_refcnt
Summary
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
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 , < 9f5e4abed9248448aa1b45b12ab0bea4d329b56a (git)
Affected: 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 , < 7c01b680beaf4d3143866b062b8e770e8b237fb8 (git)
Affected: 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 , < ec5c17c687b189dbc09dfdec11b669caa40bc395 (git)
Affected: 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 , < 944a333c8e4d42256556c1d2ebb6d773a33e0dcd (git)
Affected: 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 , < a03d96598d39fdf605d90731db3ef3b13fb8bdc8 (git)
Affected: 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 , < 1ac22c8eae81366101597d48360718dff9b9d980 (git)
Affected: 5ce8fad941233e81f2afb5b52a3fcddd3ba8732f (git)
Affected: f818708eeeae793e12dc39f8984ed7732048a7d9 (git)
Affected: 2e7eb4c1e8af8385de22775bd0be552f59b28c9a (git)
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    Linux Linux Affected: 6.0
Unaffected: 0 , < 6.0 (semver)
Unaffected: 6.1.167 , ≤ 6.1.* (semver)
Unaffected: 6.6.130 , ≤ 6.6.* (semver)
Unaffected: 6.12.77 , ≤ 6.12.* (semver)
Unaffected: 6.18.17 , ≤ 6.18.* (semver)
Unaffected: 6.19.7 , ≤ 6.19.* (semver)
Unaffected: 7.0-rc3 , ≤ * (original_commit_for_fix)
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{
  "containers": {
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "drivers/scsi/scsi_scan.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "status": "affected",
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              "versionType": "git"
            },
            {
              "lessThan": "7c01b680beaf4d3143866b062b8e770e8b237fb8",
              "status": "affected",
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              "versionType": "git"
            },
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              "versionType": "git"
            },
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              "versionType": "git"
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              "status": "affected",
              "version": "8fe4ce5836e932f5766317cb651c1ff2a4cd0506",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "5ce8fad941233e81f2afb5b52a3fcddd3ba8732f",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "f818708eeeae793e12dc39f8984ed7732048a7d9",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "2e7eb4c1e8af8385de22775bd0be552f59b28c9a",
              "versionType": "git"
            }
          ]
        },
        {
          "defaultStatus": "affected",
          "product": "Linux",
          "programFiles": [
            "drivers/scsi/scsi_scan.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "status": "affected",
              "version": "6.0"
            },
            {
              "lessThan": "6.0",
              "status": "unaffected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.1.*",
              "status": "unaffected",
              "version": "6.1.167",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.6.*",
              "status": "unaffected",
              "version": "6.6.130",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.12.*",
              "status": "unaffected",
              "version": "6.12.77",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.18.*",
              "status": "unaffected",
              "version": "6.18.17",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.19.*",
              "status": "unaffected",
              "version": "6.19.7",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "*",
              "status": "unaffected",
              "version": "7.0-rc3",
              "versionType": "original_commit_for_fix"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.167",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.130",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.12.77",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.18.17",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.19.7",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "7.0-rc3",
                  "versionStartIncluding": "6.0",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                  "versionStartIncluding": "5.15.164",
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                {
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                  "versionStartIncluding": "5.19.12",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: core: Fix refcount leak for tagset_refcnt\n\nThis leak will cause a hang when tearing down the SCSI host. For example,\niscsid hangs with the following call trace:\n\n[130120.652718] scsi_alloc_sdev: Allocation failure during SCSI scanning, some SCSI devices might not be configured\n\nPID: 2528     TASK: ffff9d0408974e00  CPU: 3    COMMAND: \"iscsid\"\n #0 [ffffb5b9c134b9e0] __schedule at ffffffff860657d4\n #1 [ffffb5b9c134ba28] schedule at ffffffff86065c6f\n #2 [ffffb5b9c134ba40] schedule_timeout at ffffffff86069fb0\n #3 [ffffb5b9c134bab0] __wait_for_common at ffffffff8606674f\n #4 [ffffb5b9c134bb10] scsi_remove_host at ffffffff85bfe84b\n #5 [ffffb5b9c134bb30] iscsi_sw_tcp_session_destroy at ffffffffc03031c4 [iscsi_tcp]\n #6 [ffffb5b9c134bb48] iscsi_if_recv_msg at ffffffffc0292692 [scsi_transport_iscsi]\n #7 [ffffb5b9c134bb98] iscsi_if_rx at ffffffffc02929c2 [scsi_transport_iscsi]\n #8 [ffffb5b9c134bbf0] netlink_unicast at ffffffff85e551d6\n #9 [ffffb5b9c134bc38] netlink_sendmsg at ffffffff85e554ef"
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-03-25T10:26:53.509Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/9f5e4abed9248448aa1b45b12ab0bea4d329b56a"
        },
        {
          "url": "https://git.kernel.org/stable/c/7c01b680beaf4d3143866b062b8e770e8b237fb8"
        },
        {
          "url": "https://git.kernel.org/stable/c/ec5c17c687b189dbc09dfdec11b669caa40bc395"
        },
        {
          "url": "https://git.kernel.org/stable/c/944a333c8e4d42256556c1d2ebb6d773a33e0dcd"
        },
        {
          "url": "https://git.kernel.org/stable/c/a03d96598d39fdf605d90731db3ef3b13fb8bdc8"
        },
        {
          "url": "https://git.kernel.org/stable/c/1ac22c8eae81366101597d48360718dff9b9d980"
        }
      ],
      "title": "scsi: core: Fix refcount leak for tagset_refcnt",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2026-23296",
    "datePublished": "2026-03-25T10:26:53.509Z",
    "dateReserved": "2026-01-13T15:37:45.993Z",
    "dateUpdated": "2026-03-25T10:26:53.509Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2026-23296\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2026-03-25T11:16:24.980\",\"lastModified\":\"2026-03-25T15:41:33.977\",\"vulnStatus\":\"Awaiting Analysis\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nscsi: core: Fix refcount leak for tagset_refcnt\\n\\nThis leak will cause a hang when tearing down the SCSI host. For example,\\niscsid hangs with the following call trace:\\n\\n[130120.652718] scsi_alloc_sdev: Allocation failure during SCSI scanning, some SCSI devices might not be configured\\n\\nPID: 2528     TASK: ffff9d0408974e00  CPU: 3    COMMAND: \\\"iscsid\\\"\\n #0 [ffffb5b9c134b9e0] __schedule at ffffffff860657d4\\n #1 [ffffb5b9c134ba28] schedule at ffffffff86065c6f\\n #2 [ffffb5b9c134ba40] schedule_timeout at ffffffff86069fb0\\n #3 [ffffb5b9c134bab0] __wait_for_common at ffffffff8606674f\\n #4 [ffffb5b9c134bb10] scsi_remove_host at ffffffff85bfe84b\\n #5 [ffffb5b9c134bb30] iscsi_sw_tcp_session_destroy at ffffffffc03031c4 [iscsi_tcp]\\n #6 [ffffb5b9c134bb48] iscsi_if_recv_msg at ffffffffc0292692 [scsi_transport_iscsi]\\n #7 [ffffb5b9c134bb98] iscsi_if_rx at ffffffffc02929c2 [scsi_transport_iscsi]\\n #8 [ffffb5b9c134bbf0] netlink_unicast at ffffffff85e551d6\\n #9 [ffffb5b9c134bc38] netlink_sendmsg at ffffffff85e554ef\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1ac22c8eae81366101597d48360718dff9b9d980\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/7c01b680beaf4d3143866b062b8e770e8b237fb8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/944a333c8e4d42256556c1d2ebb6d773a33e0dcd\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/9f5e4abed9248448aa1b45b12ab0bea4d329b56a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/a03d96598d39fdf605d90731db3ef3b13fb8bdc8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/ec5c17c687b189dbc09dfdec11b669caa40bc395\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
  }
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



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