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CVE Record

CVE-2024-26604: Revert "kobject: Remove redundant checks for whether ktype is NULL"

In the Linux kernel, the following vulnerability has been resolved: Revert "kobject: Remove redundant checks for whether ktype is NULL" This reverts commit 1b28cb81dab7c1eedc6034206f4e8d644046ad31. It is reported to cause problems, so revert it for now until the root cause can be found.

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 covers a Linux kernel regression involving kobject type handling. A prior kernel change removed NULL checks, was reported to cause problems, and was reverted. The public record does not provide CVSS, CWE, business impact, or exploitation evidence, so urgency should be driven by whether your Linux fleet runs affected kernel builds.

Executive priority

Treat this as a kernel maintenance item with unclear severity. Patch through the normal security update process, escalating for internet-facing, critical, or high-availability Linux systems running affected kernel lines.

Technical view

The fix reverts Linux commit 1b28cb81dab7c1eedc6034206f4e8d644046ad31, which removed checks for NULL ktype values in kobject logic. The CVE states the commit caused problems but does not document the root cause. Stable kernel commits and a Fedora package advisory are cited as remediation references.

Likely exposure

Exposure appears limited to Linux kernels that include the reverted kobject commit. The source bundle identifies Linux kernel versions around 6.6, 6.7.6, and 6.8, but exact distribution exposure depends on backports and vendor packaging.

Exploitation context

No provided source states active exploitation, and the CVE is not listed as KEV. The public description only says the reverted commit caused problems; it does not describe attacker prerequisites, exploitability, or observed abuse.

Researcher notes

The bundle does not provide CVSS, CWE, crash details, or root cause. Analysis should focus on whether the original kobject NULL-check removal exists in deployed kernels and whether the revert is present in vendor builds.

Mitigation direction

  • Apply kernel updates from your Linux distribution or vendor advisory.
  • Prioritize systems running affected 6.6, 6.7, or 6.8-era kernels.
  • Confirm updates include the listed stable revert commits.
  • Track vendor guidance for severity and operational impact.
  • Avoid assuming a workaround exists unless your vendor documents one.

Validation and detection

  • Inventory Linux kernel versions across servers, endpoints, and appliances.
  • Check package changelogs for CVE-2024-26604 or the listed stable commits.
  • Confirm Fedora systems received the referenced package update where applicable.
  • Review vendor advisories for backport status and affected package names.
  • Monitor kernel error reports after update rollout.
Prepared
Confidence
medium
Sources
6

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-2024-26604 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
2ADP providers
5Source links

SSVC decision data

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

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
other:ssvc
CVECVE Program Container

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux1b28cb81dab7c1eedc6034206f4e8d644046ad31, 1b28cb81dab7c1eedc6034206f4e8d644046ad31, 1b28cb81dab7c1eedc6034206f4e8d644046ad31unaffected
LinuxLinux6.6, 0, 6.6.18, 6.7.6, 6.8affected
Weakness

CWE details

No CWE listed

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