What is CVE-2023-53546?

CVE-2023-53546 is a medium-severity vulnerability in Linux, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2025-10-04.

How severe is CVE-2023-53546?

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

Vulnerability in Linux

CVE-2023-53546

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: DR, fix memory leak in mlx5dr_cmd_create_reformat_ctx when mlx5_cmd_exec failed in mlx5dr_cmd_create_reformat_ctx, the memory pointed by 'in' is not released, which will cause memory leak. Move memory release after mlx5_cmd_exec.

EPSS: 0.001 (4.4th 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 1d9186476e12c85dc81a0f01f5c614a9683af7f2, 5.4, 0
Linux Linux_kernel — versions 6.5

Weakness classification (CWE)

CWE-401 — Missing Release of Memory 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)

Frequently asked questions

What is CVE-2023-53546?: CVE-2023-53546 is a medium-severity vulnerability in Linux, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.5/10. Published 2025-10-04.
How severe is CVE-2023-53546?: Medium severity. CVSS v3 base score is 5.5 out of 10.