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CVE Record

CVE-2022-48968: octeontx2-pf: Fix potential memory leak in otx2_init_tc()

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: Fix potential memory leak in otx2_init_tc() In otx2_init_tc(), if rhashtable_init() failed, it does not free tc->tc_entries_bitmap which is allocated in otx2_tc_alloc_ent_bitmap().

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

CVE-2022-48968 is a Linux kernel memory-leak bug in the octeontx2-pf driver. If a traffic-control initialization step fails, allocated memory may not be released. The public record does not provide CVSS scoring or evidence of active exploitation, so urgency depends on whether affected kernels and this driver are present.

Executive priority

Treat as a targeted kernel maintenance item, not an emergency based on available evidence. Prioritize patch confirmation for systems using the affected driver, and handle through normal kernel update governance unless vendor guidance raises severity.

Technical view

The flaw is in otx2_init_tc(). When rhashtable_init() fails after otx2_tc_alloc_ent_bitmap() allocates tc->tc_entries_bitmap, the failure path leaks that allocation. The source bundle lists Linux kernel versions including 5.15 through fixed stable points and 6.1 as affected, with fixes referenced in stable kernel commits.

Likely exposure

Exposure is likely limited to Linux systems running affected kernel builds where the octeontx2-pf driver and its traffic-control initialization path are relevant. Organizations using vendor kernels should map their package versions to the listed stable fixes or distribution backports.

Exploitation context

No cited source states active exploitation, public exploit availability, or KEV inclusion. The condition appears to require an initialization failure path, but the source bundle does not describe attacker control, privilege requirements, or practical exploitability.

Researcher notes

The record lacks CVSS, CWE, exploitability detail, and runtime impact beyond a memory leak. Analysis should focus on affected-version mapping, whether the driver is reachable in deployed environments, and whether vendor kernels have backported the stable commits.

Mitigation direction

  • Update to a vendor kernel containing the referenced stable fixes.
  • Check distribution advisories for backported fixes matching this CVE.
  • Prioritize systems where octeontx2-pf hardware or driver support is used.
  • If unpatched, follow vendor guidance for temporary operational mitigations.

Validation and detection

  • Inventory Linux kernel versions across exposed and production systems.
  • Confirm whether octeontx2-pf support is enabled, loaded, or required.
  • Compare installed kernel packages against vendor advisories and stable fix commits.
  • Review change logs for CVE-2022-48968 or the referenced commit identifiers.
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-2022-48968 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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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
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

CISA-ADPCISA ADP Vulnrichment
other:ssvc

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
LinuxLinux2e2a8126ffac66b9b177ce78ad430281c0c8cc74, 2e2a8126ffac66b9b177ce78ad430281c0c8cc74, 2e2a8126ffac66b9b177ce78ad430281c0c8cc74unaffected
LinuxLinux5.15, 0, 5.15.83, 6.0.13, 6.1affected
Weakness

CWE details

No CWE listed

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