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CVE Record

CVE-2022-50708: HSI: ssi_protocol: fix potential resource leak in ssip_pn_open()

In the Linux kernel, the following vulnerability has been resolved: HSI: ssi_protocol: fix potential resource leak in ssip_pn_open() ssip_pn_open() claims the HSI client's port with hsi_claim_port(). When hsi_register_port_event() gets some error and returns a negetive value, the HSI client's port should be released with hsi_release_port(). Fix it by calling hsi_release_port() when hsi_register_port_event() fails.

UnknownCVSS not scoredNot KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2022-50708 is a Linux kernel resource-leak bug in the HSI SSI protocol code. If an internal port event registration fails, the kernel may not release a previously claimed HSI port. The public record does not provide CVSS scoring, known exploitation, or business-impact evidence.

Executive priority

Treat as a targeted kernel maintenance item, not an emergency, unless your environment uses HSI/SSI hardware paths. Patch through normal Linux kernel update cycles and ask owners of embedded or specialized Linux devices to confirm exposure.

Technical view

The flaw is in ssip_pn_open(). After hsi_claim_port() succeeds, an error from hsi_register_port_event() should trigger hsi_release_port(); the fix adds that cleanup path. Public references are Linux stable commits. The provided affected-version data is limited and should be validated against vendor kernel packages.

Likely exposure

Exposure appears limited to Linux systems whose kernels include and use the HSI SSI protocol driver path. Servers and cloud workloads may have no practical exposure if this driver is absent or unused, but embedded or hardware-specific Linux deployments should check kernel configuration and vendor advisories.

Exploitation context

No source in the bundle states active exploitation, public exploit availability, or CISA KEV listing. The described issue is a resource leak on an error path, suggesting possible stability or denial-of-service relevance, but practical exploitability is not established by the provided sources.

Researcher notes

The record lacks CVSS, CWE, and detailed affected-range semantics. The core fix is straightforward cleanup after hsi_register_port_event() failure. Validate exact exposure by source tree, kernel config, and downstream backport status rather than relying only on version numbers in the CVE record.

Mitigation direction

  • Check your Linux vendor advisory or kernel changelog for CVE-2022-50708.
  • Update to a vendor kernel containing the referenced stable fixes.
  • Prioritize embedded or hardware-specific Linux systems using HSI/SSI functionality.
  • If HSI/SSI is unused, consider disabling the driver through supported configuration controls.

Validation and detection

  • Inventory Linux kernel versions and vendor package release notes.
  • Check whether HSI SSI protocol support is built or loaded.
  • Confirm the kernel includes one of the referenced stable commits or vendor backport.
  • Monitor logs for HSI driver errors if the subsystem is used.
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.

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CVE-2022-50708 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
4Source 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
LinuxLinuxdc7bf5d7186849aa36b9f0e42e250a813a7b0bdb, dc7bf5d7186849aa36b9f0e42e250a813a7b0bdb, dc7bf5d7186849aa36b9f0e42e250a813a7b0bdbunaffected
LinuxLinux3.16, 0, 5.19.17, 6.0.3, 6.1affected
Weakness

CWE details

No CWE listed

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