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CVE Record

CVE-2024-54458: scsi: ufs: bsg: Set bsg_queue to NULL after removal

In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: bsg: Set bsg_queue to NULL after removal Currently, this does not cause any issues, but I believe it is necessary to set bsg_queue to NULL after removing it to prevent potential use-after-free (UAF) access.

HighCVSS 7.8Not KEV-listedUpdated
Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

CVE-2024-54458 is a Linux kernel flaw in UFS storage support. A removed BSG queue may remain referenced, creating a potential use-after-free condition. The score is high because a local low-privileged user could potentially affect confidentiality, integrity, and availability on vulnerable systems.

Executive priority

Treat as a high-priority kernel maintenance issue for affected Linux fleets, especially embedded and industrial systems. It is not remotely exploitable based on the provided sources, but local kernel flaws can materially increase impact after initial access.

Technical view

The issue is in scsi/ufs/bsg cleanup logic. After removing a BSG queue, the pointer was not set to NULL, leaving a possible stale reference and CWE-416 use-after-free. Kernel stable commits correct the lifecycle handling. CVSS 3.1 is 7.8: local, low complexity, low privileges, no user interaction, high CIA impact.

Likely exposure

Most relevant to Linux systems using UFS storage and the UFS BSG interface, including embedded, mobile, appliance, and industrial Linux environments. Debian LTS and Siemens advisories indicate downstream vendor tracking, but the bundle does not prove every Linux deployment is exploitable.

Exploitation context

The bundle marks KEV as false and provides no cited evidence of active exploitation. The attack model is local with low privileges. Real-world exploitability depends on kernel version, UFS support, device availability, and whether an attacker can reach the relevant BSG interface.

Researcher notes

Focus triage on UFS BSG queue lifecycle and downstream backports. The record says the bug currently caused no known issue, but the fix prevents potential UAF access. Do not assume exploitability without confirming reachable UFS BSG paths and affected kernel code.

Mitigation direction

  • Update to a vendor kernel containing the referenced stable fixes.
  • Apply Debian LTS kernel security updates where Debian systems are in scope.
  • Review Siemens SSA-019113 for affected Siemens products and vendor-specific remediation.
  • Prioritize systems where local users or workloads can access UFS-related device interfaces.
  • If no vendor package exists, track the relevant upstream stable commit guidance.

Validation and detection

  • Inventory running kernel versions across Linux hosts and embedded devices.
  • Identify systems using UFS storage or UFS host controller drivers.
  • Check distribution advisories for fixed kernel package versions.
  • Confirm Siemens product exposure against SSA-019113 where applicable.
  • Verify the deployed kernel includes the upstream stable fix for CVE-2024-54458.
Prepared
Confidence
medium
Sources
12

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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cwe · low confidence lookup

CWE-416: 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-2024-54458 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
High
CVSS
7.8 (3.1)
Known Exploited
No
Published

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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
3ADP providers
11Source links

SSVC decision data

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

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
7.8CVSS 3.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H1.85.9CISA-ADP

Vulnerability scoring details

Base CVSS 3.1 score

7.8High
CVSS 3.1 vector shape for CVE-2024-54458Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/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
CVECVE Program Container
siemens-SADPADP container
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinuxdf032bf27a414acf61c957ec2fad22a57d903b39, df032bf27a414acf61c957ec2fad22a57d903b39, df032bf27a414acf61c957ec2fad22a57d903b39, df032bf27a414acf61c957ec2fad22a57d903b39, df032bf27a414acf61c957ec2fad22a57d903b39, df032bf27a414acf61c957ec2fad22a57d903b39, df032bf27a414acf61c957ec2fad22a57d903b39unaffected
LinuxLinux4.20, 0, 5.10.237, 5.15.181, 6.1.129, 6.6.79, 6.12.16, 6.13.4, 6.14affected
Weakness

CWE details

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

CWE-416 · source CWE mapping

Use After Free

Use After Free represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.