Security readout for executives and security teams
Plain-English summary
CVE-2024-43913 is a Linux kernel bug in the Apple NVMe driver’s error handling. During a specific initialization failure, the driver can leak controller device memory. The source bundle does not provide CVSS, active exploitation evidence, or broader business impact details.
Executive priority
Handle through routine kernel patch management unless your environment runs Linux on Apple NVMe hardware at scale. There is no source-backed evidence of active exploitation, but kernel memory leaks can affect reliability.
Technical view
After successful nvme_init_ctrl, drivers must call nvme_uninit_ctrl on later failure. The Apple NVMe driver missed that cleanup when tagset allocation failed, leaking controller device memory. Linux stable commits address the reference-counting and error-boundary handling.
Likely exposure
Likely limited to Linux systems using the Apple NVMe driver on relevant Apple NVMe hardware and affected kernel versions or commits. Systems without this driver path are less likely exposed. Distribution-specific backports are not identified in the source bundle.
Exploitation context
The CVE is not listed as KEV, and the provided sources do not report active exploitation or public exploit availability. The described issue is an initialization error-path memory leak. Practical triggerability and security impact are not fully evidenced.
Researcher notes
The evidence supports a narrow Apple NVMe driver cleanup bug: missing nvme_uninit_ctrl after nvme_init_ctrl when tagset setup fails. The source bundle lacks CVSS, CWE, exploitability analysis, and distro package mapping, so exposure validation should be environment-specific.
Mitigation direction
- Review Linux vendor or distribution advisories for CVE-2024-43913 coverage.
- Update to a kernel build containing the referenced stable fixes.
- Prioritize affected Apple NVMe Linux hosts in normal kernel maintenance.
- Monitor kernel release notes for backported fixes in supported branches.
Validation and detection
- Inventory Linux hosts using the Apple NVMe driver.
- Map running kernel versions against vendor-fixed package versions.
- Confirm whether referenced stable commits are present in deployed kernels.
- Check logs or monitoring for repeated NVMe controller initialization failures.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
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-2024-43913 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
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.
SSVC decision data
Vulnerability timeline
Timeline events are normalized from CVE metadata, CNA source timelines, ADP timelines, and KEV metadata when present.
- CVE reservedCVE Program
The CVE ID was reserved by the assigning CNA.
- CVE publishedCVE Program
The CVE record was published.
- CVE updatedCVE Program
The CVE record metadata indicates this as the latest update time.
ADP provider summaries
Source materials
- CVE List V5 sourceCVE List V5
- https://git.kernel.org/stable/c/f7d9a18572fcd7130459b7691bd19ee2a2e951adCVE reference, Linux
- https://git.kernel.org/stable/c/d59c4d0eb6adc24c2201f153ccb7fd0a335b0d3dCVE reference, Linux
- https://git.kernel.org/stable/c/b9ecbfa45516182cd062fecd286db7907ba84210CVE reference, Linux
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.