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CVE Record

CVE-2024-26949: drm/amdgpu/pm: Fix NULL pointer dereference when get power limit

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/pm: Fix NULL pointer dereference when get power limit Because powerplay_table initialization is skipped under sriov case, We check and set default lower and upper OD value if powerplay_table is NULL.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2024-26949 is a Linux kernel AMDGPU power-management bug. In SR-IOV cases, expected power table data may be missing, causing a NULL pointer dereference when reading power limits. The source bundle does not provide CVSS, confirmed impact severity, or evidence of exploitation.

Executive priority

Treat this as a targeted Linux kernel maintenance issue, not an emergency based on current evidence. Prioritize patching where AMDGPU SR-IOV is used, and track vendor advisories for severity clarification.

Technical view

The kernel fix adds handling for a NULL powerplay_table because initialization is skipped under SR-IOV. When the AMDGPU power-limit path expects that table, dereferencing it can fail. The listed affected kernel versions include 6.8, 6.7.12, 6.8.3, and 6.9; fixed stable commits are referenced.

Likely exposure

Exposure appears most relevant to Linux systems using the AMDGPU driver in SR-IOV configurations, especially affected kernel versions listed by the CVE data. The source bundle does not define every affected distribution, GPU model, or deployment pattern.

Exploitation context

No source in the bundle reports active exploitation, and the CVE is not marked CISA KEV. The available evidence describes a kernel NULL pointer dereference fixed upstream, not a public exploit or weaponized technique.

Researcher notes

The record lacks CVSS, CWE, detailed attack prerequisites, and distribution-specific status. Analysis should focus on commit inclusion, AMDGPU SR-IOV usage, and whether local power-management interfaces can trigger the vulnerable path.

Mitigation direction

  • Apply Linux kernel updates that include the referenced stable fixes.
  • Prioritize AMDGPU SR-IOV hosts running affected kernel versions.
  • Check distribution advisories for backported fixed kernel packages.
  • If patching is delayed, follow vendor guidance for temporary risk reduction.

Validation and detection

  • Inventory Linux kernel versions across AMDGPU-enabled systems.
  • Confirm fixed stable commits or vendor backports are present.
  • Identify systems using AMDGPU with SR-IOV configurations.
  • Review kernel logs for AMDGPU power-management NULL dereference failures.
Prepared
Confidence
medium
Sources
5

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-2024-26949 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
4Source 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

CVECVE Program Container
CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinuxc83d9cce713f148750d686174743ca2364b7a06e, 7968e9748fbbd7ae49770d9f8a8231d8bce2aebb, 7968e9748fbbd7ae49770d9f8a8231d8bce2aebb, 6.7.9unaffected
LinuxLinux6.8, 0, 6.7.12, 6.8.3, 6.9affected
Weakness

CWE details

No CWE listed

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