5.5

CVE-2026-23296: linux

CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2026-23296DEBIAN-CVE-2026-23296
Published 25-03-2026Last modified 15-10-2026
Open JSON

Vulnerability summary

CVE-2026-23296 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 1.8% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.12%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 29 · Related 27
MGASA-2026-0097MGASA-2026-0098USN-8567-1USN-8574-1USN-8574-2USN-8574-3

Timeline

  1. 25-03-2026
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

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

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.12%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

0.00 pp

From 0.12% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.12%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu145 products
  • linux< 5.15.0-186.196 | < 6.8.0-136.136 | All versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1112.119 | < 6.8.0-1061.64 | All versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ f818708eeeae793e12dc39f8984ed7732048a7d9, < 0e274674714427dc578bb99db5b86e312d2b57f8 | ≥ 8fe4ce5836e932f5766317cb651c1ff2a4cd0506, < 9f5e4abed9248448aa1b45b12ab0bea4d329b56a | ≥ 8fe4ce5836e932f5766317cb651c1ff2a4cd0506, < 7c01b680beaf4d3143866b062b8e770e8b237fb8 | ≥ 8fe4ce5836e932f5766317cb651c1ff2a4cd0506, < ec5c17c687b189dbc09dfdec11b669caa40bc395 | ≥ 8fe4ce5836e932f5766317cb651c1ff2a4cd0506, < 944a333c8e4d42256556c1d2ebb6d773a33e0dcd | ≥ 8fe4ce5836e932f5766317cb651c1ff2a4cd0506, < a03d96598d39fdf605d90731db3ef3b13fb8bdc8 | ≥ 8fe4ce5836e932f5766317cb651c1ff2a4cd0506, < 1ac22c8eae81366101597d48360718dff9b9d980 | 5ce8fad941233e81f2afb5b52a3fcddd3ba8732f | 2e7eb4c1e8af8385de22775bd0be552f59b28c9a | ≥ 5.15.164, < 5.15.203 | ≥ 5.10.223, < 5.11 | ≥ 5.19.12, < 5.20 | 6.0
  • linux_kernelEOL≥ 5.10.223, < 5.11 | ≥ 5.15.164, < 5.15.203 | ≥ 5.19.12, < 6.0 | ≥ 6.0.1, < 6.1.167 | ≥ 6.2, < 6.6.130 | ≥ 6.7, < 6.12.77 | ≥ 6.13, < 6.18.17 | ≥ 6.19, < 6.19.7 | 6.0 | 6.0:rc5 | 6.0:rc6 | 6.0:rc7 | 7.0:rc1 | 7.0:rc2
Debian1 product
  • linux< 6.1.170-1 | < 6.12.85-1 | < 6.19.8-1

3 vendors · 148 products

References

40 links
Show all 40 references