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CVE Record

CVE-2022-48959: net: dsa: sja1105: fix memory leak in sja1105_setup_devlink_regions()

In the Linux kernel, the following vulnerability has been resolved: net: dsa: sja1105: fix memory leak in sja1105_setup_devlink_regions() When dsa_devlink_region_create failed in sja1105_setup_devlink_regions(), priv->regions is not released.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysisunknown

Security readout for executives and security teams

Plain-English summary

This is a Linux kernel memory-leak fix in the sja1105 DSA network driver. The source describes a cleanup failure when devlink region creation fails. No CVSS score, CWE, public exploitation, or KEV listing is provided, so urgency depends on whether affected kernels and this driver are present.

Executive priority

Treat as a targeted kernel maintenance item, not an emergency, unless critical network devices use affected kernels with this driver. Prioritize normal patch cycles and vendor confirmation because severity and exploitation evidence are absent.

Technical view

In sja1105_setup_devlink_regions(), a dsa_devlink_region_create failure path did not release priv->regions. The CVE record marks Linux kernel versions including 5.10, 5.10.159, 5.15.83, 6.0.13, and 6.1 as affected and links stable kernel commits resolving the leak.

Likely exposure

Exposure appears limited to Linux kernels with the sja1105 DSA driver code in affected version ranges. Systems not building or using that driver are less likely exposed. The provided data does not identify distributions, appliances, or vendor downstream packages.

Exploitation context

The bundle provides no evidence of active exploitation, public exploit code, KEV inclusion, or remote attack mechanics. It describes a memory leak on an error path, so practical impact cannot be confirmed from these sources alone.

Researcher notes

The record is sparse: no CVSS, CWE, exploit status, or detailed trigger conditions are included. Analysis should focus on the error-path leak, affected upstream ranges, and whether downstream vendors backported the stable commits.

Mitigation direction

  • Check vendor kernel advisories for the running distribution or appliance.
  • Upgrade to a kernel build containing the referenced stable fixes.
  • Prioritize systems that enable or depend on the sja1105 DSA driver.
  • Track downstream backports instead of relying only on upstream version numbers.

Validation and detection

  • Inventory kernel versions across Linux assets.
  • Check whether the sja1105 driver is built, loaded, or required.
  • Compare installed kernel packages against vendor fixed builds.
  • Review kernel changelogs for the referenced stable commits.
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

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-2022-48959 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
5Source 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
LinuxLinuxbf425b82059e0b0752c0026353c1902112200837, bf425b82059e0b0752c0026353c1902112200837, bf425b82059e0b0752c0026353c1902112200837, bf425b82059e0b0752c0026353c1902112200837unaffected
LinuxLinux5.10, 0, 5.10.159, 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.