Security readout for executives and security teams
Plain-English summary
CVE-2024-26900 is a Linux kernel memory leak in the md RAID subsystem. If adding a device object fails, allocated serial memory may not be freed. Sources describe a resource leak, not code execution or data theft. There is no CISA KEV listing in the bundle.
Executive priority
Handle through normal kernel patch management unless the affected systems are critical storage hosts or exposed multi-tenant platforms. The known impact is memory leakage, but kernel resource exhaustion can still affect availability.
Technical view
The issue is in bind_rdev_to_array(): when kobject_add() fails, rdev->serial allocated through the md serial pool is not released, producing a kmemleak report on the mdadm to md_ioctl path. Fixed Linux stable commits are referenced across affected kernel branches.
Likely exposure
Exposure is most likely on systems running affected Linux kernels with md RAID functionality in use or available. The bundle lists affected Linux versions from 5.3 through fixed stable releases including 5.10.217, 5.15.159, 6.1.91, 6.6.31, 6.7.11, 6.8.2, and 6.9.
Exploitation context
The provided sources do not show active exploitation, public exploit activity, or remote attack paths. The observable path involves mdadm and kernel md ioctl handling. Treat exploitability details as incomplete unless vendor advisories provide more context.
Researcher notes
Evidence is limited to the upstream kernel fix description, stable commit links, and vendor advisories. No CVSS, CWE, exploit status, or detailed privilege requirement is provided in the bundle, so avoid overstating impact or reachability.
Mitigation direction
- Update affected Linux kernels to vendor-supported fixed versions.
- Prioritize systems using Linux md RAID or storage management workflows.
- Review Debian, NetApp, and distribution advisories for packaged fixes.
- Track kernel stable commits linked in the CVE record.
- Use normal change controls for kernel rollout and reboot planning.
Validation and detection
- Inventory Linux kernel versions across servers and appliances.
- Identify hosts using md RAID or mdadm-managed arrays.
- Compare installed kernels against vendor fixed release guidance.
- Confirm security updates from Debian or appliance vendors are applied.
- Monitor for repeated md device add failures or kmemleak reports.
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
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2024-26900 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
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/fb5b347efd1bda989846ffc74679d181222fb123CVE reference, Linux
- https://git.kernel.org/stable/c/f3a1787dc48213f6caea5ba7d47e0222e7fa34a9CVE reference, Linux
- https://git.kernel.org/stable/c/beaf11969fd5cbe6f09cefaa34df1ce8578e8dd9CVE reference, Linux
- https://git.kernel.org/stable/c/9fd0198f7ef06ae0d6636fb0578560857dead995CVE reference, Linux
- https://git.kernel.org/stable/c/6d32c832a88513f65c2c2c9c75954ee8b387adeaCVE reference, Linux
- https://git.kernel.org/stable/c/4c1021ce46fc2fb6115f7e79d353941e6dcad366CVE reference, Linux
- https://git.kernel.org/stable/c/6cf350658736681b9d6b0b6e58c5c76b235bb4c4CVE reference, Linux
- https://lists.debian.org/debian-lts-announce/2024/06/msg00019.htmlCVE reference, CVE · x_transferred
- https://security.netapp.com/advisory/ntap-20240912-0011/CVE reference, CVE
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.