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CVE Record

CVE-2023-53512: scsi: mpt3sas: Fix a memory leak

In the Linux kernel, the following vulnerability has been resolved: scsi: mpt3sas: Fix a memory leak Add a forgotten kfree().

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This CVE is a Linux kernel issue in the mpt3sas SCSI driver where memory was not freed correctly. The public record describes it as a memory leak fixed by adding a missing kfree(). Business impact is most likely availability risk on systems using the affected driver, but severity is not scored in the supplied sources.

Executive priority

Handle through normal kernel patch management unless internal exposure is high. Elevate priority for storage-heavy servers using mpt3sas, because a kernel memory leak can affect availability even without confirmed exploitation.

Technical view

CVE-2023-53512 resolves a memory leak in the Linux kernel mpt3sas driver. The source bundle identifies Linux as affected and references stable kernel commits that add the missing free operation. No CVSS, CWE, exploitability detail, or precise runtime trigger conditions are provided in the supplied record.

Likely exposure

Exposure appears limited to Linux systems using kernels that include the vulnerable mpt3sas driver code, especially hosts with relevant SCSI/SAS hardware or modules. The supplied version data is sparse, so confirm against installed kernel package versions and vendor advisories.

Exploitation context

The supplied sources do not state active exploitation, public exploit availability, or CISA KEV listing. The record describes a memory leak fix, not a demonstrated remote compromise path. Treat exploitation likelihood as unproven from this evidence.

Researcher notes

The public record is minimal: no CVSS, CWE, exploit status, trigger path, or detailed affected-version ranges beyond Linux version metadata and stable commit references. Further analysis should inspect the referenced commits and downstream vendor advisories before making fleet-wide conclusions.

Mitigation direction

  • Update affected Linux kernels to vendor-supported builds containing the referenced stable fixes.
  • Check Linux distribution advisories for backported fixes matching your kernel package.
  • Prioritize systems using mpt3sas-controlled storage hardware or loaded mpt3sas modules.
  • Monitor kernel memory pressure on exposed systems until patched.
  • Do not infer mitigation beyond vendor kernel guidance from the supplied sources.

Validation and detection

  • Inventory Linux hosts and record kernel versions and distribution package releases.
  • Check whether the mpt3sas module is present or loaded on each host.
  • Map installed kernels to distribution advisories for CVE-2023-53512.
  • Confirm patched builds include one of the referenced stable fix commits or vendor backport.
  • Review monitoring for unexplained kernel memory growth on relevant storage hosts.
Prepared
Confidence
medium
Sources
7

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

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CVE-2023-53512 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors
3Timeline events
0ADP providers
6Source links

Vulnerability timeline

Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.

  1. CVE reservedCVE Program

    The CVE ID was reserved by the assigning CNA.

  2. CVE publishedCVE Program

    The CVE record was published.

  3. CVE updatedCVE Program

    The CVE record metadata indicates this as the latest update time.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinuxdbec4c9040edc15442c3ebdb65408aa9d3b82c24, dbec4c9040edc15442c3ebdb65408aa9d3b82c24, dbec4c9040edc15442c3ebdb65408aa9d3b82c24, dbec4c9040edc15442c3ebdb65408aa9d3b82c24, dbec4c9040edc15442c3ebdb65408aa9d3b82c24unaffected
LinuxLinux4.16, 0, 5.10.173, 5.15.99, 6.1.16, 6.2.3, 6.3affected
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.