Vulnerability-Lookup

FKIE_CVE-2026-23296

Vulnerability from fkie_nvd - Published: 2026-03-25 11:16 - Updated: 2026-05-26 15:06

Severity

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/0e274674714427dc578bb99db5b86e312d2b57f8	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/1ac22c8eae81366101597d48360718dff9b9d980	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7c01b680beaf4d3143866b062b8e770e8b237fb8	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/944a333c8e4d42256556c1d2ebb6d773a33e0dcd	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/9f5e4abed9248448aa1b45b12ab0bea4d329b56a	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/a03d96598d39fdf605d90731db3ef3b13fb8bdc8	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ec5c17c687b189dbc09dfdec11b669caa40bc395	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.0
linux	linux_kernel	6.0
linux	linux_kernel	6.0
linux	linux_kernel	6.0
linux	linux_kernel	7.0
linux	linux_kernel	7.0

JSON

To clipboard

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

Vulnerability from cvelistv5 – Published: 2026-03-25 10:26 – Updated: 2026-05-23 16:04

Title

scsi: core: Fix refcount leak for tagset_refcnt

Summary

Severity

No CVSS data available.

Assigner

Linux

References

7 references

URL	Tags
https://git.kernel.org/stable/c/0e274674714427dc5…
https://git.kernel.org/stable/c/9f5e4abed9248448a…
https://git.kernel.org/stable/c/7c01b680beaf4d314…
https://git.kernel.org/stable/c/ec5c17c687b189dbc…
https://git.kernel.org/stable/c/944a333c8e4d42256…
https://git.kernel.org/stable/c/a03d96598d39fdf60…
https://git.kernel.org/stable/c/1ac22c8eae8136610…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: f818708eeeae793e12dc39f8984ed7732048a7d9 , < 0e274674714427dc578bb99db5b86e312d2b57f8 (git) 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: 2e7eb4c1e8af8385de22775bd0be552f59b28c9a (git) Affected: 5.15.164 , < 5.15.203 (semver) Affected: 5.10.223 , < 5.11 (semver) Affected: 5.19.12 , < 5.20 (semver)
Linux	Linux	Affected: 6.0 Unaffected: 0 , < 6.0 (semver) Unaffected: 5.15.203 , ≤ 5.15.* (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 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

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                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "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": "2026-05-23T16:04:31.357Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/0e274674714427dc578bb99db5b86e312d2b57f8"
        },
        {
          "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": "2026-05-23T16:04:31.357Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2026-23296

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

Tags

Sightings

Nomenclature