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CVE Record

CVE-2024-50237: wifi: mac80211: do not pass a stopped vif to the driver in .get_txpower

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: do not pass a stopped vif to the driver in .get_txpower Avoid potentially crashing in the driver because of uninitialized private data

HighCVSS 7.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

A flaw in Linux Wi-Fi handling can pass a stopped virtual wireless interface to a driver before its private data is ready. This may crash the system. The supplied CVSS rating is 7.8, reflecting potentially serious local impact, but the bundle provides no evidence of active exploitation.

Executive priority

Treat as a high-priority patching item for Linux endpoints or appliances that actively use Wi-Fi. Prioritize systems where a local low-privilege user could interact with wireless controls. Internet-facing status alone does not establish exposure. Validate vendor package status before escalating systems without relevant Wi-Fi hardware or mac80211 use.

Technical view

Linux mac80211 could invoke a driver's get_txpower operation with a stopped virtual interface, exposing uninitialized driver-private data. The upstream correction prevents stopped interfaces from reaching that callback. The source describes a potential driver crash; broader confidentiality or integrity effects implied by CVSS are not demonstrated in the supplied description.

Likely exposure

Exposure is limited to Linux systems using affected kernels and the relevant mac80211 Wi-Fi driver path. The supplied version data spans multiple kernel lines but contains ambiguous entries, so determine exposure through distribution advisories, package changelogs, and confirmation that the applicable stable fix is present.

Exploitation context

The bundle marks this CVE as absent from KEV and provides no evidence of active exploitation or a public exploit. The CVSS vector describes a local, low-privilege, low-complexity condition without user interaction. The documented failure mode is a potential driver or system crash.

Researcher notes

The vulnerable state involves get_txpower receiving a stopped virtual interface whose driver-private data may be uninitialized. Sources characterize the consequence as a potential crash. Exact affected-version interpretation is uncertain because the supplied records mix release numbers, stable versions, and repeated commit identifiers; distribution backports require package-level verification.

Mitigation direction

  • Install a vendor-supported kernel containing the applicable stable fix.
  • Review Linux distribution advisories for corrected package versions.
  • Prioritize Wi-Fi-enabled systems using mac80211 and affected kernel branches.
  • Follow vendor guidance where fixed package status remains unclear.

Validation and detection

  • Inventory kernel and distribution package versions on Wi-Fi-enabled Linux systems.
  • Confirm whether mac80211 and relevant wireless drivers are loaded.
  • Check package changelogs for CVE-2024-50237 or the referenced stable fix.
  • Review kernel logs for wireless-driver crashes involving transmit-power queries.
  • Verify the corrected kernel is running after remediation and reboot.
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

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ATT&CK lookup starting points

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cwe · low confidence lookup

CWE-908: Exact CWE lookup

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cve · low confidence lookup

CVE-2024-50237 mapping review

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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.

2CVSS vectors
3Timeline events
2ADP providers
11Source links

SSVC decision data

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

CVSS vector scores

2 official scores

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:H1.85.9Linux
5.5CVSS 3.1MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H1.83.6CISA-ADP

Vulnerability scoring details

Base CVSS 3.1 score

7.8High
CVSS 3.1 vector shape for CVE-2024-50237Attack 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

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux5b3dc42b1b0db0264bbbe4ae44c15ab97bfd1e93, 5b3dc42b1b0db0264bbbe4ae44c15ab97bfd1e93, 5b3dc42b1b0db0264bbbe4ae44c15ab97bfd1e93, 5b3dc42b1b0db0264bbbe4ae44c15ab97bfd1e93, 5b3dc42b1b0db0264bbbe4ae44c15ab97bfd1e93, 5b3dc42b1b0db0264bbbe4ae44c15ab97bfd1e93, 5b3dc42b1b0db0264bbbe4ae44c15ab97bfd1e93, 5b3dc42b1b0db0264bbbe4ae44c15ab97bfd1e93unaffected
LinuxLinux3.19, 0, 4.19.323, 5.4.285, 5.10.229, 5.15.171, 6.1.116, 6.6.60, 6.11.7, 6.12affected
Weakness

CWE details

CWE-908

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CWE-908 · source CWE mapping

Use of Uninitialized Resource

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

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