CVE-2023-54055

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix memory leak of PBLE objects On rmmod of irdma, the PBLE object memory is not being freed. PBLE object memory are not statically pre-allocated at function initialization time unlike other HMC objects. PBLEs objects and the Segment Descriptors (SD) for it can be dynamically allocated during scale up and SD's remain allocated till function deinitialization. Fix this leak by adding IRDMA_HMC_IW_PBLE to the iw_hmc_obj_types[] table and skip pbles in irdma_create_hmc_obj but not in irdma_del_hmc_objects().

Package Linux Kernel
Published 2025-12-24
Last modified 2026-04-15
Patch available
Yes

Affected versions

Linux kernel versions 5.14 and later are affected. Fixed in 5.15.108, 6.1.25, 6.2.12, 6.3 and their respective stable series.

Affected from
≥ 5.14
Fixed in
✓ 5.15.108 5.15.x ✓ 6.1.25 6.1.x ✓ 6.2.12 6.2.x ✓ 6.3

References

The following references provide additional information about CVE-2023-54055 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

4 patch commits total View all on NVD

Frequently asked questions

  • What is CVE-2023-54055?

    CVE-2023-54055 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.14 onward and has been patched in 5.15.108, 6.1.25, 6.2.12 and others. CVE-2023-54055 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • Is there a patch available for CVE-2023-54055?

    Yes — CVE-2023-54055 has been patched. Fixed versions include 5.15.108, 6.1.25, 6.2.12 and others. If you are running Linux kernel 5.14 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2023-54055 actively exploited?

    No — CVE-2023-54055 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

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