CVE-2023-54154 | scsi: target: core: Fix target_cmd_counter leak

In the Linux kernel, the following vulnerability has been resolved: scsi: target: core: Fix target_cmd_counter leak The target_cmd_counter struct allocated via target_alloc_cmd_counter() is never freed, resulting in leaks across various transport types, e.g.: unreferenced object 0xffff88801f920120 (size 96): comm "sh", pid 102, jiffies 4294892535 (age 713.412s) hex dump (first 32 bytes): 07 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ 00 00 00 00 00 00 00 00 38 01 92 1f 80 88 ff ff ........8....... backtrace: [<00000000e58a6252>] kmalloc_trace+0x11/0x20 [<0000000043af4b2f>] target_alloc_cmd_counter+0x17/0x90 [target_core_mod] [<000000007da2dfa7>] target_setup_session+0x2d/0x140 [target_core_mod] [<0000000068feef86>] tcm_loop_tpg_nexus_store+0x19b/0x350 [tcm_loop] [<000000006a80e021>] configfs_write_iter+0xb1/0x120 [<00000000e9f4d860>] vfs_write+0x2e4/0x3c0 [<000000008143433b>] ksys_write+0x80/0xb0 [<00000000a7df29b2>] do_syscall_64+0x42/0x90 [<0000000053f45fb8>] entry_SYSCALL_64_after_hwframe+0x6e/0xd8 Free the structure alongside the corresponding iscsit_conn / se_sess parent.

Published: 2025-12-24 Last update: 2026-04-15 Assigner: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Conclusion & alert: CVE-2023-54154 is rated Low Risk (3.2/100): low exploitation likelihood (EPSS 0.02%). Mandatory action: Low composite risk—no urgent action required; patch on your normal maintenance cycle and revisit priority if CVSS or EPSS increases.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-54154

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-12-25 0.02%

Full EPSS history (1 record total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-54154

CVSS metrics for this CVE.

No CVSS data in dataset for this CVE.

Weakness enumeration for CVE-2023-54154

OS Trackers for CVE-2023-54154

vendor priority summary link
debian unimportant CVE-2023-54154 unimportant priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2023-54154
redhat low https://access.redhat.com/security/cve/CVE-2023-54154
suse medium CVE-2023-54154 severity moderate: SUSE including 363 source package names (2.1.3-6.115:kernel-default-base-6.4.0-39.1.21.16, 2.1.3-7.95:kernel-default-6.4.0-39.1, …), 802 product×package rows across 152 product lines (Container suse/sl-micro/6.0/base-os-container, Container suse/sl-micro/6.0/kvm-os-container, … (152 product lines)): Fixed 342, Known Affected 231, Known Not Affected 229. https://www.suse.com/security/cve/CVE-2023-54154/
ubuntu medium CVE-2023-54154 medium priority: Ubuntu including 157 source packages (linux, linux-allwinner-5.19, …), 1405 status rows across 9 suites (bionic, focal, jammy, noble, plucky, questing, trusty, upstream, xenial): DNE 1010, ignored 173, not-affected 137, released 83, needs-triage 2. https://ubuntu.com/security/CVE-2023-54154

Affected software / configurations for CVE-2023-54154

Vendor Product Version Raw CPE
No affected products in dataset.

References for CVE-2023-54154

cvelogic Threat Intelligence