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CVE Record

CVE-2024-27078: media: v4l2-tpg: fix some memleaks in tpg_alloc

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-tpg: fix some memleaks in tpg_alloc In tpg_alloc, resources should be deallocated in each and every error-handling paths, since they are allocated in for statements. Otherwise there would be memleaks because tpg_free is called only when tpg_alloc return 0.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2024-27078 is a Linux kernel memory leak in the V4L2 test pattern generator allocation path. If an allocation error occurs, some resources may not be released. The sources do not provide a CVSS score or evidence of active exploitation, so urgency should be based on affected kernel presence and vendor patch availability.

Executive priority

Handle through normal kernel patch governance unless business-critical Linux systems remain unpatched or vendor advisories raise product-specific impact. No source in the bundle confirms active exploitation or severe impact scoring.

Technical view

The issue is in tpg_alloc in Linux media v4l2-tpg. Resources allocated inside loops were not freed across all error-handling paths because tpg_free was only called when tpg_alloc returned success. Kernel stable commits resolve the cleanup logic.

Likely exposure

Exposure is likely limited to Linux systems running affected kernel versions or vendor builds carrying the vulnerable media code. Actual exposure depends on kernel configuration, device/media subsystem use, and whether the distribution has backported the listed stable fixes.

Exploitation context

The provided sources do not show CISA KEV listing, public exploitation, exploit code, or a complete attack scenario. Treat this as a kernel resource-leak vulnerability requiring patch validation, not as confirmed actively exploited risk.

Researcher notes

Evidence supports a memory leak on tpg_alloc error paths, not privilege escalation or code execution. The CVE record lists Linux as affected and provides multiple stable commit references. Impact, reachability, and exploitability are not fully characterized in the provided sources.

Mitigation direction

  • Update affected Linux kernels to vendor releases containing the stable fixes.
  • Check distribution advisories, including Debian LTS, for fixed kernel packages.
  • Review Siemens guidance if Siemens products are in scope.
  • Confirm vendor backport status before relying on version strings alone.
  • Prioritize internet-facing or multi-user Linux systems where kernel resource exhaustion has higher impact.

Validation and detection

  • Inventory Linux kernel versions across servers, appliances, and embedded systems.
  • Check whether installed kernels include the referenced upstream stable commits or vendor backports.
  • Review kernel package changelogs for CVE-2024-27078 remediation.
  • Identify systems using or exposing V4L2/media functionality.
  • Monitor for abnormal kernel memory pressure on unpatched systems.
Prepared
Confidence
medium
Sources
12

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-2024-27078 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
3ADP providers
13Source 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
siemens-SADPADP container

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux63881df94d3ecbb0deafa0b77da62ff2f32961c4, 63881df94d3ecbb0deafa0b77da62ff2f32961c4, 63881df94d3ecbb0deafa0b77da62ff2f32961c4, 63881df94d3ecbb0deafa0b77da62ff2f32961c4, 63881df94d3ecbb0deafa0b77da62ff2f32961c4, 63881df94d3ecbb0deafa0b77da62ff2f32961c4, 63881df94d3ecbb0deafa0b77da62ff2f32961c4, 63881df94d3ecbb0deafa0b77da62ff2f32961c4, 63881df94d3ecbb0deafa0b77da62ff2f32961c4unaffected
LinuxLinux3.18, 0, 4.19.311, 5.4.273, 5.10.214, 5.15.153, 6.1.83, 6.6.23, 6.7.11, 6.8.2, 6.9affected
Weakness

CWE details

No CWE listed

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