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CVE-2026-23296

scsi: core: Fix refcount leak for tagset_refcnt

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.15.203, 5.11, 5.20, 6.1.167, 6.6.130, and 3 more
None on Exploit-DB, Metasploit or GitHub

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

Timeline

  1. CVE published
  2. Record last updated

Affected versions

  • Linux Linux

    From f818708eeeae793e12dc39f8984ed7732048a7d9 · fixed in 0e274674714427dc578bb99db5b86e312d2b57f8; From 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 · fixed in 9f5e4abed9248448aa1b45b12ab0bea4d329b56a; From 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 · fixed in 7c01b680beaf4d3143866b062b8e770e8b237fb8; From 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 · fixed in ec5c17c687b189dbc09dfdec11b669caa40bc395; From 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 · fixed in 944a333c8e4d42256556c1d2ebb6d773a33e0dcd; From 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 · fixed in a03d96598d39fdf605d90731db3ef3b13fb8bdc8; From 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 · fixed in 1ac22c8eae81366101597d48360718dff9b9d980; From 5.15.164 · fixed in 5.15.203; From 5.10.223 · fixed in 5.11; From 5.19.12 · fixed in 5.20

  • Linux Linux

    6.0

  • KernelLinux

    fixed in 5.15.203; From 5.16.0 · fixed in 6.1.167; From 6.0.0 · fixed in 6.6.130; From 6.2.0 · fixed in 6.12.77; From 6.7.0 · fixed in 6.18.17; From 6.13.0 · fixed in 6.19.7

References 7

git.kernel.org