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CVE Record

CVE-2022-48886: ice: Add check for kzalloc

In the Linux kernel, the following vulnerability has been resolved: ice: Add check for kzalloc Add the check for the return value of kzalloc in order to avoid NULL pointer dereference. Moreover, use the goto-label to share the clean code.

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 reliability flaw in the ice driver. A failed memory allocation was not checked, which could lead to a NULL pointer dereference. The public record does not provide CVSS, exploitability, or business-impact details, so urgency should be based on kernel exposure and vendor update availability.

Executive priority

Track this as a kernel maintenance and availability-risk item, not an emergency based on current evidence. Prioritize updates for exposed infrastructure that depends on the affected driver, but do not claim active exploitation without new source evidence.

Technical view

The resolved defect adds a kzalloc return-value check in the Linux kernel ice driver and uses a shared cleanup path. Without that check, allocation failure could lead to NULL pointer dereference. Sources do not describe attack prerequisites, reachable code paths, privilege requirements, or remote triggerability.

Likely exposure

Exposure appears limited to Linux systems running affected kernel versions or commits containing the vulnerable ice driver code. The source lists Linux 6.0 through before fixed stable versions, including 6.1.7 and 6.2-related data, but distro backports may differ.

Exploitation context

The CVE is not listed as KEV in the provided bundle, and no cited source states active exploitation. Public sources provided do not include exploit details, proof of concept status, or whether the issue is locally or remotely reachable.

Researcher notes

Evidence is sparse. The record identifies a NULL pointer dereference class bug and upstream stable commits, but lacks CVSS, CWE, exploit status, trigger conditions, and distro-specific affected ranges. Validation should focus on source/package lineage and driver presence.

Mitigation direction

  • Update affected Linux kernels using vendor or distribution security guidance.
  • Map distro kernel packages to the referenced upstream stable fixes.
  • Prioritize systems where the ice driver is present, loaded, or operationally important.
  • Check vendor advisories before assuming generic kernel version strings are sufficient.
  • Avoid direct deployment workarounds not documented by the vendor.

Validation and detection

  • Inventory Linux kernel versions across servers and appliances.
  • Check whether the ice driver module is present or loaded.
  • Compare installed kernel source or package changelog against the referenced stable commits.
  • Confirm vendor packages include the kzalloc NULL-check fix.
  • Run normal regression testing after kernel updates.
Prepared
Confidence
medium
Sources
4

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-2022-48886 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
1ADP providers
3Source 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

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinuxd6b98c8d242aee40e7b8919dd07b593b0739e38d, d6b98c8d242aee40e7b8919dd07b593b0739e38dunaffected
LinuxLinux6.0, 0, 6.1.7, 6.2affected
Weakness

CWE details

No CWE listed

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