scsi: core: Fix refcount leak for tagset_refcnt
Summary
| CVE | CVE-2026-23296 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-03-25 11:16:24 UTC |
| Updated | 2026-04-18 09:16:17 UTC |
| Description | 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 |
Risk And Classification
EPSS: 0.000320000 probability, percentile 0.090980000 (date 2026-04-18)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected f818708eeeae793e12dc39f8984ed7732048a7d9 0e274674714427dc578bb99db5b86e312d2b57f8 git | Not specified |
| CNA | Linux | Linux | affected 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 9f5e4abed9248448aa1b45b12ab0bea4d329b56a git | Not specified |
| CNA | Linux | Linux | affected 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 7c01b680beaf4d3143866b062b8e770e8b237fb8 git | Not specified |
| CNA | Linux | Linux | affected 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 ec5c17c687b189dbc09dfdec11b669caa40bc395 git | Not specified |
| CNA | Linux | Linux | affected 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 944a333c8e4d42256556c1d2ebb6d773a33e0dcd git | Not specified |
| CNA | Linux | Linux | affected 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 a03d96598d39fdf605d90731db3ef3b13fb8bdc8 git | Not specified |
| CNA | Linux | Linux | affected 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 1ac22c8eae81366101597d48360718dff9b9d980 git | Not specified |
| CNA | Linux | Linux | affected 5ce8fad941233e81f2afb5b52a3fcddd3ba8732f git | Not specified |
| CNA | Linux | Linux | affected 2e7eb4c1e8af8385de22775bd0be552f59b28c9a git | Not specified |
| CNA | Linux | Linux | affected 6.0 | Not specified |
| CNA | Linux | Linux | unaffected 6.0 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.203 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.167 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.130 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.77 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.17 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.19.7 6.19.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/7c01b680beaf4d3143866b062b8e770e8b237fb8 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/0e274674714427dc578bb99db5b86e312d2b57f8 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/9f5e4abed9248448aa1b45b12ab0bea4d329b56a | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/1ac22c8eae81366101597d48360718dff9b9d980 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/a03d96598d39fdf605d90731db3ef3b13fb8bdc8 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/ec5c17c687b189dbc09dfdec11b669caa40bc395 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/944a333c8e4d42256556c1d2ebb6d773a33e0dcd | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.