What is CVE-2026-43054?

CVE-2026-43054 is a medium-severity vulnerability in Linux, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 5.5/10. Published 2026-05-01.

How severe is CVE-2026-43054?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2026-43054

In the Linux kernel, the following vulnerability has been resolved: scsi: target: tcm_loop: Drain commands in target_reset handler tcm_loop_target_reset() violates the SCSI EH contract: it returns SUCCESS without draining any in-flight c…

EPSS: 0.000 (3.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions e0eb5d38b732b011cd9ed5b1bf9f59b83c2500d3, 5.13, 0
Linux Linux_kernel — versions 7.0

Weakness classification (CWE)

CWE-772 — Missing Release of Resource after Effective Lifetime

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2026-43054?: CVE-2026-43054 is a medium-severity vulnerability in Linux, classified under Missing Release of Resource after Effective Lifetime. CVSS score: 5.5/10. Published 2026-05-01.
How severe is CVE-2026-43054?: Medium severity. CVSS v3 base score is 5.5 out of 10.