CVE-2026-23296

MEDIUM
MEDIUM Priority: 0.01 BB Relevance: 36/100
Published: 2026-03-25 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Low Complexity No Interaction

CVSS Vector Breakdown

AV: Local
AC: Low
PR: Low
UI: None
S: Unchanged
C: None
I: None
A: High

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

Affected Software (20)

VendorProductVersion
Linux Linux f818708eeeae793e12dc39f8984ed7732048a7d9 < 0e274674714427dc578bb99db5b86e312d2b57f8
Linux Linux 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 < 9f5e4abed9248448aa1b45b12ab0bea4d329b56a
Linux Linux 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 < 7c01b680beaf4d3143866b062b8e770e8b237fb8
Linux Linux 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 < ec5c17c687b189dbc09dfdec11b669caa40bc395
Linux Linux 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 < 944a333c8e4d42256556c1d2ebb6d773a33e0dcd
Linux Linux 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 < a03d96598d39fdf605d90731db3ef3b13fb8bdc8
Linux Linux 8fe4ce5836e932f5766317cb651c1ff2a4cd0506 < 1ac22c8eae81366101597d48360718dff9b9d980
Linux Linux 5ce8fad941233e81f2afb5b52a3fcddd3ba8732f
Linux Linux 2e7eb4c1e8af8385de22775bd0be552f59b28c9a
Linux Linux 5.15.164 < 5.15.203
Linux Linux 5.10.223 < 5.11
Linux Linux 5.19.12 < 5.20
Linux Linux 6.0
linux linux_kernel 5.10.223 – 5.11
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

Bug Bounty Relevance

36 / 100
✓ Low complexity
✓ No user interaction

CVSS Score

5.5 / 10.0 v3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.13%
Raw Score 0.001300
Percentile 2.7%
Date 2026-11-14

EPSS Trend

2026-11-14
0.00130
2026-11-13
0.00130
2026-11-12
0.00130
2026-11-10
0.00127
2026-11-09
0.00127
2026-11-08
0.00127
2026-11-07
0.00127
2026-11-06
0.00127
2026-11-05
0.00127

Intelligence Sources

mitre ref →
nvd ref →