LiveActive security incident?Get immediate response
CVE Record

CVE-2023-53414: scsi: snic: Fix memory leak with using debugfs_lookup()

In the Linux kernel, the following vulnerability has been resolved: scsi: snic: Fix memory leak with using debugfs_lookup() When calling debugfs_lookup() the result must have dput() called on it, otherwise the memory will leak over time. To make things simpler, just call debugfs_lookup_and_remove() instead which handles all of the logic at once.

MediumCVSS 5.5Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This Linux kernel issue is a memory leak in the snic SCSI driver’s debugfs cleanup path. A local user could potentially consume kernel memory over time and affect availability. The CVE does not indicate data theft or tampering impact.

Executive priority

Treat as a moderate availability risk. It is unlikely to be remotely exploitable from the provided evidence, but should be remediated through normal kernel patch cycles, faster on shared or high-availability Linux systems.

Technical view

The flaw is CWE-401: debugfs_lookup() returns a dentry reference that required dput(), but the snic code failed to release it. Kernel fixes replace the pattern with debugfs_lookup_and_remove(). CVSS is 5.5: local access, low complexity, low privileges, no user interaction, availability impact only.

Likely exposure

Exposure is most likely on Linux systems running affected kernel builds where the snic SCSI driver code is present or loaded. Internet exposure is not indicated; the CVSS vector is local-only.

Exploitation context

The source bundle does not show CISA KEV listing or any cited active exploitation. Practical risk is denial of service through memory exhaustion, requiring local low-privileged access.

Researcher notes

Evidence supports a local kernel memory leak in snic debugfs handling. The affected version data in the bundle is limited and somewhat coarse, so distribution-specific package advisories are important for exact exposure and fixed build identification.

Mitigation direction

  • Update affected Linux kernels using vendor or distribution guidance.
  • Confirm the running kernel includes the referenced stable commits or equivalent backports.
  • Prioritize multi-user systems where local users or workloads are less trusted.
  • If patching is delayed, check vendor guidance for driver-specific risk reduction.

Validation and detection

  • Inventory Linux kernel versions across affected fleets.
  • Check whether snic driver code is built, packaged, or loaded on those systems.
  • Compare installed kernel changelogs against the referenced stable commits.
  • Review vendor advisories for backported fixes matching CVE-2023-53414.
Prepared
Confidence
medium
Sources
6

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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · low confidence lookup

CWE-401: Exact CWE lookup

Use the exact CWE identifier as the starting point before reviewing related ATT&CK behavior. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2023-53414 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.5 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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.

1CVSS vectors
3Timeline events
1ADP providers
5Source links

SSVC decision data

CISA-ADPCISA Coordinator
Timestamp
Version
2.0.3
Exploitation: noneAutomatable: noTechnical Impact: partial

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
5.5CVSS 3.1MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H1.83.6CISA-ADP

Vulnerability scoring details

Base CVSS 3.1 score

5.5Medium
CVSS 3.1 vector shape for CVE-2023-53414Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

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.

ADP provider summaries

CISA-ADPCISA ADP Vulnrichment
cvssV3_1other:ssvc
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux1be4ec2456a7d110092ad8cc918eef75b878ec4e, 1be4ec2456a7d110092ad8cc918eef75b878ec4e, 1be4ec2456a7d110092ad8cc918eef75b878ec4e, 1be4ec2456a7d110092ad8cc918eef75b878ec4eunaffected
LinuxLinux5.14, 0, 5.15.99, 6.1.16, 6.2.3, 6.3affected
Weakness

CWE details

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

CWE-401 · source CWE mapping

Missing Release of Memory after Effective Lifetime

Missing Release of Memory after Effective Lifetime represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.