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CVE Record

CVE-2022-50308: ASoC: qcom: Add checks for devm_kcalloc

In the Linux kernel, the following vulnerability has been resolved: ASoC: qcom: Add checks for devm_kcalloc As the devm_kcalloc may return NULL, the return value needs to be checked to avoid NULL poineter dereference.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This Linux kernel issue is a missing allocation-failure check in Qualcomm ASoC audio code. If memory allocation fails, the kernel may dereference a null pointer. The public record does not provide CVSS, CWE, exploit evidence, or business impact details, so urgency should be driven by asset exposure and vendor kernel status.

Executive priority

Treat as a targeted kernel maintenance item, not an emergency, unless critical systems run affected Qualcomm audio paths. Lack of CVSS and exploit evidence lowers confidence, but kernel null dereferences can affect availability and should be remediated through normal patch cycles.

Technical view

The fix adds checks around devm_kcalloc return values in Linux ASoC Qualcomm code to prevent NULL pointer dereference. The source lists affected Linux versions including 5.10, 5.10.163, 5.15.86, 6.0.16, 6.1.2, and 6.2, with stable kernel commits referenced as remediation evidence.

Likely exposure

Most relevant to Linux systems running kernels from the affected version set and using Qualcomm ASoC audio support. Distribution backports may change exposure, so package-level verification is required.

Exploitation context

The bundle marks KEV as false and provides no cited evidence of active exploitation. The described failure mode is a NULL pointer dereference, commonly associated with reliability impact or denial of service when reachable.

Researcher notes

Evidence is limited to the CVE record and upstream stable commits. The source does not identify a trigger path, privilege requirement, exploitability, or downstream distro status. Validate by code lineage and package backport evidence rather than version strings alone.

Mitigation direction

  • Update to a vendor kernel containing the referenced stable fixes.
  • Check Linux distribution advisories for backported CVE-2022-50308 fixes.
  • Prioritize systems using Qualcomm ASoC audio functionality.
  • Track unsupported kernels for upgrade or retirement.
  • Avoid assuming fixed status from upstream version alone.

Validation and detection

  • Inventory Linux kernel versions across affected assets.
  • Confirm whether Qualcomm ASoC audio code is present or enabled.
  • Map installed kernel packages to vendor advisories or changelogs.
  • Verify the relevant stable commit is included or backported.
  • Record exceptions where exposure cannot be confirmed.
Prepared
Confidence
medium
Sources
7

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-2022-50308 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
0ADP providers
6Source links

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.

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux24caf8d9eb108c52e144bcc7af94bb1edcb70700, 24caf8d9eb108c52e144bcc7af94bb1edcb70700, 24caf8d9eb108c52e144bcc7af94bb1edcb70700, 24caf8d9eb108c52e144bcc7af94bb1edcb70700, 24caf8d9eb108c52e144bcc7af94bb1edcb70700unaffected
LinuxLinux5.10, 0, 5.10.163, 5.15.86, 6.0.16, 6.1.2, 6.2affected
Weakness

CWE details

No CWE listed

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