PT-2026-27661 · Linux · Linux

Published 2026-03-25 · Updated 2026-03-25 · CVE-2026-23296

NVD

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

Related Identifiers

CVE-2026-23296

Affected Products

Linux

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2026-23296 · Security Note
• https://git.kernel.org/stable/c/1ac22c8eae81366101597d48360718dff9b9d980 · Note
• https://git.kernel.org/stable/c/ec5c17c687b189dbc09dfdec11b669caa40bc395 · Note
• https://git.kernel.org/stable/c/a03d96598d39fdf605d90731db3ef3b13fb8bdc8 · Note
• https://git.kernel.org/stable/c/7c01b680beaf4d3143866b062b8e770e8b237fb8 · Note
• https://git.kernel.org/stable/c/9f5e4abed9248448aa1b45b12ab0bea4d329b56a · Note
• https://git.kernel.org/stable/c/944a333c8e4d42256556c1d2ebb6d773a33e0dcd · Note